This glossary covers terminology used in the Tissue Converting & Hygiene Products Practice, including converting operations, absorbent materials, quality testing, and product safety. It helps professionals across Forest Products, Pulp, Paper & Packaging interpret technical specifications, assess operating performance, and navigate regulatory requirements.
A B C D E F G H I J L M N O P Q R S T U W
| A | |
| AAP | Absorption Against Pressure: Laboratory measure of saline uptake by superabsorbent polymer while swelling against a specified pressure. Helps assess absorbent-core performance under compression rather than under unrestricted swelling conditions. |
| ADL | Acquisition and Distribution Layer: Layer between the topsheet and absorbent core that rapidly accepts liquid and spreads it toward available storage capacity. Its structure affects intake speed, leakage, and skin dryness. |
| AFH | Away-from-Home: Tissue and wiping products supplied to workplaces, hospitality venues, healthcare facilities, and other institutional settings. Dispenser compatibility, roll capacity, dispensing reliability, and cost per use influence converting specifications. |
| AGM | Absorbent Gelling Material: Material that absorbs aqueous liquid and forms a gel, commonly a cross-linked superabsorbent polymer. Used in diapers, menstrual pads, and incontinence products to increase retention while limiting core thickness. |
| AHP | Absorbent Hygiene Products: Product category encompassing diapers, adult incontinence articles, menstrual pads, and related absorbent items. These products combine fluid acquisition, storage, containment, and skin-contact functions in an engineered structure. |
| AI | Adult Incontinence: Hygiene-product segment addressing involuntary urine or fecal loss in adults. Product design balances absorbency, fit, leakage protection, skin health, discretion, and caregiver handling. |
| APAO | Amorphous Polyalphaolefin: Polyolefin polymer family used in certain hot-melt adhesive formulations. Relevant properties include adhesion to hygiene substrates, flexibility, thermal stability, and application behavior on high-speed assembly lines. |
| AQL | Acceptance Quality Limit: Quality level used to select statistical acceptance-sampling plans for incoming materials or finished products. Defect classifications distinguish issues such as appearance defects, faulty seals, and safety-critical contamination. |
| ASTM E2362 | Standard Practice for Evaluation of Pre-saturated or Impregnated Towelettes for Hard Surface Disinfection: Practice for evaluating disinfectant towelettes against microorganisms on hard surfaces. Addresses the complete wipe application rather than assessing only the disinfectant liquid. |
| ASTM E2967 | Standard Test Method for Assessing the Ability of Pre-wetted Towelettes to Remove and Transfer Bacterial Contamination on Hard, Non-Porous Environmental Surfaces Using the Wiperator: Instrument-based method examining bacterial removal and transfer during wiping. Helps distinguish cleaning effectiveness from the risk of spreading contamination to another surface. |
| ATEX | Atmosphères explosibles: European framework addressing equipment and workplace safety in potentially explosive atmospheres. Relevant hazards include combustible cellulose dust and flammable vapors from alcohol-based wipe formulations. |
| AUL | Absorbency Under Load: Amount of saline absorbed by a superabsorbent material under a specified mechanical load. Used to compare materials intended to retain liquid while a diaper or incontinence product is compressed during wear. |
| AUP | Absorbency Under Pressure: Measure of superabsorbent liquid uptake under defined pressure and test conditions. Material comparisons require matching pressure, exposure time, solution composition, and methodology. |
| B | |
| BAHP | Center for Baby and Adult Hygiene Products: United States trade association representing manufacturers and suppliers of absorbent hygiene products. Addresses product safety, scientific issues, public policy, and regulatory matters affecting the sector. |
| BICO | Bicomponent Fiber: Fiber containing two polymer components arranged within one cross-section, often as a sheath and core. Different melting characteristics enable thermal bonding while retaining loft in acquisition layers and airlaid materials. |
| BKC | Benzalkonium Chloride: Quaternary ammonium antimicrobial used in certain disinfectant and antiseptic wipe formulations. Active concentration, substrate interactions, contact time, and permitted claims affect formulation and regulatory compliance. |
| BPR | Biocidal Products Regulation: European Union regulation governing biocidal active substances and products. Applies to qualifying disinfectant wipes and determines authorization requirements, permitted uses, and labeling obligations. |
| BT | Bath Tissue: Toilet tissue converted into consumer or institutional formats. Finished-product specifications include ply count, sheet dimensions, perforation quality, roll firmness, diameter, and dispensing performance. |
| C | |
| CAPA | Corrective and Preventive Action: Structured quality process for investigating problems, eliminating causes, and preventing recurrence or occurrence. Used to address issues such as microbial contamination, defective bonds, leakage complaints, and process-control failures. |
| CD | Cross Direction: Direction across a moving tissue, film, or nonwoven web, perpendicular to machine travel. Directional strength and stretch influence folding, converting stability, product fit, and resistance to tearing. |
| CFR | Code of Federal Regulations: Codification of United States federal regulations. Relevant provisions establish requirements for products such as menstrual tampons, cosmetic wipes, antiseptic wipes, and registered surface disinfectants. |
| CFU | Colony-Forming Unit: Unit estimating viable microorganisms capable of forming colonies under specified culture conditions. Used to express microbial contamination in wipe lotions, process water, substrates, and finished products. |
| cGMP | Current Good Manufacturing Practice: Manufacturing requirements emphasizing up-to-date controls for consistent product quality and safety. Particularly relevant to regulated antiseptic wipes and other hygiene products classified as drugs. |
| CIP | Cleaning in Place: Cleaning of tanks, piping, and processing equipment without routine disassembly. In wet-wipe production, validated cleaning cycles help control formulation carryover and microbial contamination in lotion preparation and delivery systems. |
| CLP | Classification, Labelling and Packaging: European Union framework for communicating chemical hazards. Relevant to raw chemicals and qualifying wipe formulations, particularly where disinfectant actives, alcohols, or other hazardous ingredients affect classification and labeling. |
| CoC | Chain of Custody: Documented controls tracing certified forest-based material through purchasing, processing, and sale. Tissue converters use these controls to support eligible certification claims on finished products. |
| COF | Coefficient of Friction: Measure of resistance to sliding between contacting surfaces. Affects web traction, roll handling, folded-wipe dispensing, and the interaction of films or nonwovens with converting equipment. |
| CPC | Center Position Control: Web-guiding method that maintains the material centerline relative to the machine. Helps align multiple plies or components when web-width variation makes single-edge guidance insufficient. |
| CPNP | Cosmetic Products Notification Portal: European Union electronic notification system for cosmetic products. Manufacturers or responsible persons use it to submit required information for cosmetic wet wipes before market placement. |
| CPSR | Cosmetic Product Safety Report: Required safety documentation supporting cosmetic products placed on the European Union market. For cosmetic wipes, it evaluates matters including formulation, exposure, microbiological quality, and ingredient safety. |
| CRC | Centrifuge Retention Capacity: Quantity of saline retained by swollen superabsorbent polymer after specified centrifugation, usually expressed per gram of dry polymer. Used to compare retention performance and establish absorbent-core material specifications. |
| D | |
| DDAC | Didecyldimethylammonium Chloride: Quaternary ammonium antimicrobial used in certain disinfectant wipes. Formulation compatibility, active delivery from the substrate, and validated contact time influence finished-product efficacy. |
| DERL | Double Embossing Random Lamination: Tissue-converting arrangement in which separately embossed plies are laminated without fixed registration between their patterns. Provides a route to bulk development and ply bonding with independently positioned embossing designs. |
| DESL | Double Embossing Single Lamination: Process that separately embosses two tissue plies before joining them at a single lamination stage. Embossing geometry and adhesive placement influence bulk, appearance, ply adhesion, and finished-roll characteristics. |
| DHA | Dust Hazard Analysis: Systematic evaluation of combustible-dust fire, flash-fire, and explosion hazards. Important around tissue cutting, fluff fiberization, pneumatic conveying, and dust-collection systems. |
| DI | Deionized: Describes water treated to remove dissolved ions for controlled formulation chemistry. Used in wipe-lotion preparation; ion removal alone does not establish microbiological suitability. |
| DIN | Drug Identification Number: Eight-digit Health Canada identifier assigned to authorized drug products, including qualifying antiseptic wipes. Supports product identification, authorization checks, and regulated labeling in Canada. |
| DNF | Do Not Flush: Disposal instruction used on wipes and other products unsuitable for toilet disposal. Clear labeling helps distinguish these products from toilet tissue and supports wastewater-system protection. |
| DSEAR | Dangerous Substances and Explosive Atmospheres Regulations 2002: Great Britain workplace regulations addressing fire and explosion risks from dangerous substances. Relevant to combustible tissue dust, flammable wipe liquids, hazardous-area assessment, and ignition-source control. |
| E | |
| EDANA | European Disposables and Nonwovens Association: Industry association serving nonwovens and related industries, including absorbent hygiene products and wipes. Develops technical guidance, supports standardized testing, and addresses regulatory and sustainability issues. |
| ELS | Electronic Line Shaft: Drive architecture that electronically synchronizes machine axes instead of using a common mechanical shaft. Enables coordinated cutting, embossing, winding, and component placement on high-speed converting lines. |
| EN 14476 | Chemical disinfectants and antiseptics — Quantitative suspension test for the evaluation of virucidal activity in the medical area — Test method and requirements (Phase 2/Step 1): European suspension test supporting virucidal efficacy assessment. Results characterize the tested formulation but do not alone demonstrate complete wipe performance on a surface. |
| EN 16615 | Chemical disinfectants and antiseptics — Quantitative test method for the evaluation of bactericidal and yeasticidal activity on non-porous surfaces with mechanical action employing wipes in the medical area (4-field test) — Test method and requirements (phase 2, step 2): European test evaluating surface disinfection and contamination transfer during wiping. Links efficacy assessment to the combined action of the wipe, disinfectant, and mechanical application. |
| EPA | Environmental Protection Agency: United States authority regulating surface-disinfectant wipes as antimicrobial pesticides. Product registration, efficacy claims, directions for use, and required contact times fall within its oversight. |
| EPC | Edge Position Control: Web-guiding method that senses and corrects the position of a material edge. Maintains alignment during unwinding, slitting, lamination, folding, and absorbent-product component assembly. |
| EVA | Ethylene-Vinyl Acetate: Copolymer used in certain hot-melt adhesives and flexible material formulations. In tissue converting, formulation choices affect bonding, application temperature, flexibility, and performance in core or ply assembly. |
| F | |
| FAT | Factory Acceptance Test: Contractual equipment verification performed at the machinery supplier before shipment. Typically checks agreed production rates, product dimensions, quality, controls, and safety functions for a converting line. |
| FDA | Food and Drug Administration: United States regulator overseeing hygiene products classified as cosmetics, drugs, or medical devices. Relevant examples include cosmetic wipes, skin-antiseptic wipes, menstrual tampons, and qualifying incontinence devices. |
| FIFRA | Federal Insecticide, Fungicide, and Rodenticide Act: United States law governing pesticide registration, distribution, sale, and use. Establishes the regulatory basis for antimicrobial surface-disinfectant wipes and their approved efficacy claims and labeling. |
| FSC | Forest Stewardship Council: Organization operating forest-management and chain-of-custody certification systems. Tissue converters use eligible certified inputs and documented controls to support approved sourcing claims on finished products. |
| FSC | Free Swell Capacity: Quantity of test liquid absorbed by a superabsorbent material without an applied confining load under specified conditions. Characterizes unrestricted swelling but does not directly predict performance under wearer pressure. |
| FSR | Free Swell Rate: Measure of how quickly a superabsorbent polymer takes up liquid during unrestricted swelling. Helps evaluate initial absorption kinetics alongside capacity, permeability, and performance under load. |
| FT | Facial Tissue: Soft tissue converted for facial cleansing and personal use, commonly in interfolded boxes or pocket packs. Folding accuracy, dispensing behavior, lotion application, and sheet integrity affect finished-product quality. |
| G | |
| GBP | Gel Bed Permeability: Measure of liquid flow through a bed of swollen superabsorbent particles under defined conditions. Indicates how effectively fluid can reach unused absorbent capacity rather than being obstructed by gel blocking. |
| GD4 | Guidelines for Assessing the Flushability of Disposable Nonwoven Products, Fourth Edition: Industry guidelines providing a sequence of tests for assessing disposable nonwoven products intended for flushing. Address behavior through toilets, drainage, wastewater transport, and treatment rather than disintegration alone. |
| GMP | Good Manufacturing Practice: Manufacturing controls designed to deliver consistent quality and prevent contamination or mix-ups. Relevant practices include personnel hygiene, controlled processing, cleaning, traceability, and documented release of regulated hygiene products. |
| GMT | Geometric Mean Tensile: Combined tissue-strength measure calculated as the square root of the product of machine-direction and cross-direction tensile strengths. Supports comparisons of strength balance and the effects of converting treatments. |
| GSM | Grams per Square Meter: Unit of mass per unit area used to specify tissue, nonwovens, films, and absorbent layers. Influences material consumption, product weight, coverage, and the relationship between cost and performance. |
| H | |
| HBAL | Hydrogen-Bonded Airlaid: Airlaid cellulose material consolidated primarily through hydrogen bonding rather than latex or thermoplastic binder fibers. Relevant to cellulose-rich substrates where dry integrity and subsequent water dispersibility are important. |
| HF | Hand Feel: Overall tactile impression of a tissue or nonwoven, incorporating surface softness, flexibility, and bulk. Assessed through sensory panels or instrument-based models when comparing substrates and converting treatments. |
| HH | Hydrostatic Head: Measure of resistance to water penetration under an increasing water pressure. Used to assess liquid-barrier performance of diaper backsheets, barrier nonwovens, and related containment components. |
| HMA | Hot-Melt Adhesive: Adhesive applied in a molten state that develops a bond as it cools. Used for absorbent-product construction, elastic attachment, tissue-core assembly, and other high-speed bonding operations. |
| HMPSA | Hot-Melt Pressure-Sensitive Adhesive: Melt-applied adhesive that remains tacky after cooling and bonds under pressure. Common applications include menstrual-pad positioning adhesives, closure components, and selected elastic or laminate assemblies. |
| HRIPT | Human Repeat Insult Patch Test: Controlled human patch-testing protocol used to evaluate skin sensitization potential and irritation responses. Supports safety assessment of lotions, adhesives, and other materials intended for repeated skin contact. |
| HRT | Hard Roll Towel: Continuous-roll hand towel commonly supplied for institutional dispensers. Converting specifications emphasize roll firmness, core dimensions, diameter, sheet delivery, and compatibility with the intended dispensing mechanism. |
| I | |
| ID | Inside Diameter: Internal diameter of a tissue core or other hollow converting component. Determines fit on winding shafts, handling equipment, and finished-product dispenser spindles. |
| INCI | International Nomenclature of Cosmetic Ingredients: Standardized naming system for cosmetic ingredients. Used to identify ingredients in cosmetic wet-wipe lotions and support consistent labeling, formulation records, and safety documentation. |
| INDA | Association of the Nonwoven Fabrics Industry: Trade association serving the nonwovens industry and its supply chain. Provides technical education, market information, standards collaboration, and guidance relevant to wipes and absorbent hygiene materials. |
| IPA | Isopropyl Alcohol: Alcohol used in certain antiseptic and disinfectant wipes. Concentration, evaporation, substrate compatibility, flammability, and package integrity affect manufacturing controls and product performance. |
| ISO 10993 | Biological evaluation of medical devices: Standards series supporting risk-based evaluation of biological safety for medical-device materials and finished products. Relevant to regulated hygiene devices with body contact, including assessment of irritation, sensitization, and other applicable endpoints. |
| ISO 11930 | Cosmetics — Microbiology — Evaluation of the antimicrobial protection of a cosmetic product: Standard addressing antimicrobial protection of cosmetic products, including preservative challenge testing and risk assessment. Used when establishing microbiological protection for cosmetic wet wipes. |
| ISO 11948-1 | Urine-absorbing aids — Part 1: Whole-product testing: Standard for measuring whole-product absorption capacity, commonly associated with the Rothwell method. Its immersion-based capacity result is not equivalent to practical leakage-free capacity during wear. |
| ISO 12625 | Tissue paper and tissue products: Standards series covering tissue terminology and physical testing, including properties such as thickness, tensile strength, and water absorption. Supports consistent evaluation of finished tissue and converting effects. |
| ISO 13485 | Medical devices — Quality management systems — Requirements for regulatory purposes: Quality-management standard for organizations involved in medical-device activities. Relevant to manufacturers of hygiene products classified as devices and to suppliers supporting their controlled production processes. |
| ISO 17516 | Cosmetics — Microbiology — Microbiological limits: Standard specifying microbiological quality limits for cosmetic products. Helps establish acceptance criteria for cosmetic wipes, including limits on microbial counts and requirements concerning specified microorganisms. |
| ISO 22716 | Cosmetics — Good Manufacturing Practices (GMP) — Guidelines on Good Manufacturing Practices: Guidelines for production, control, storage, and shipment of cosmetics. Provide a manufacturing-quality framework for cosmetic wet wipes and their associated lotion-processing operations. |
| ISO 9073 | Nonwovens — Test methods: Standards series measuring nonwoven properties such as mass per unit area, thickness, tensile behavior, and absorbency. Supports comparable specifications for wipe substrates, topsheets, and acquisition materials. |
| IWSFG | International Water Services Flushability Group: Collaboration of water-sector organizations developing specifications for products intended to be flushed. Its criteria inform wastewater-industry expectations for wipe disintegration, composition, and system compatibility. |
| J | |
| JRT | Jumbo Roll Tissue: Large-capacity toilet tissue roll designed for compatible institutional dispensers. Roll diameter, core dimensions, winding quality, and sheet length affect replenishment frequency and dispensing reliability. |
| L | |
| LBAL | Latex-Bonded Airlaid: Airlaid web stabilized with a latex binder. Used in absorbent cores and wiping materials where binder selection and distribution determine strength, softness, liquid handling, and linting. |
| LEL | Lower Explosive Limit: Lowest concentration of a flammable gas or vapor in air capable of propagating flame under specified conditions. Relevant to ventilation and monitoring around alcohol-based wipe mixing and impregnation equipment. |
| LEV | Local Exhaust Ventilation: Ventilation that captures dust or vapors close to their source. Applied at tissue log saws, slitters, fluff-processing equipment, and chemical-handling points to reduce exposure and contamination. |
| LOTO | Lockout/Tagout: Procedures for isolating hazardous energy before servicing or clearing equipment. Critical around converting knives, winding shafts, embossing nips, pneumatic mechanisms, and stored mechanical energy. |
| LPM | Logs per Minute: Throughput measure for tissue rewinders and log-handling or cutting equipment. Relates line capacity to the production and processing of full-width wound logs before separation into individual rolls. |
| M | |
| MB | Meltblown: Nonwoven process using high-velocity air to attenuate molten polymer into fine fibers. Meltblown layers contribute liquid-barrier properties in composite materials used for hygiene containment components. |
| MBAL | Multi-Bonded Airlaid: Airlaid material combining bonding mechanisms, commonly latex bonding and thermal bonding with bicomponent fibers. Allows absorbent-core and wipe substrates to balance strength, softness, bulk, and fluid handling. |
| MCI | Methylchloroisothiazolinone: Preservative associated with contact-sensitization concerns and restrictions in cosmetic applications. Ingredient screening is important when qualifying wipe formulations, especially products intended to remain on the skin. |
| MD | Machine Direction: Direction in which a web travels through manufacturing or converting equipment. Directional strength, elongation, and tension behavior influence web breaks, registration, folding, and finished-product performance. |
| MDR | Medical Device Regulation: European Union framework governing medical devices, including qualifying incontinence products with a medical intended purpose. Establishes classification, conformity assessment, technical documentation, and post-market obligations. |
| MDR | Medical Device Reporting: United States requirements for reporting specified device-related deaths, serious injuries, and malfunctions. Relevant to complaint handling and safety surveillance for regulated hygiene devices such as menstrual tampons. |
| MI | Methylisothiazolinone: Preservative associated with allergic contact dermatitis and significant restrictions in cosmetic products. Its regulatory status and sensitization profile are important when reviewing wet-wipe formulations and supplier declarations. |
| MoCRA | Modernization of Cosmetics Regulation Act of 2022: United States law expanding federal oversight of cosmetics. Relevant obligations for cosmetic-wipe businesses include safety substantiation, adverse-event handling, and applicable facility-registration and product-listing requirements. |
| MPM | Meters per Minute: Linear web-speed measure used for converting equipment. Translating web speed into finished output requires accounting for product pitch, lane count, operating losses, and reject rates. |
| MTBF | Mean Time Between Failures: Average operating time between failures of repairable equipment. Helps prioritize reliability improvements on rewinders, log saws, absorbent-core formers, adhesive systems, and other production bottlenecks. |
| MTTR | Mean Time to Repair: Average time required to repair failed equipment under the plant’s defined measurement rules. Used to evaluate maintenance response, access, spare-parts availability, and recovery from converting-line breakdowns. |
| MVTR | Moisture Vapor Transmission Rate: Rate at which water vapor passes through a material under specified conditions. Used to characterize breathable diaper backsheets and related laminates while separately verifying resistance to liquid leakage. |
| N | |
| NDC | National Drug Code: United States identifier used for listed drug products, including qualifying nonprescription antiseptic wipes. Supports product identification and distribution; assignment does not itself establish regulatory approval. |
| NFPA 660 | Standard for Combustible Dusts and Particulate Solids: Fire-protection standard addressing combustible-dust hazards across covered processes. Relevant to dust analysis, collection, housekeeping, ignition prevention, and explosion protection in tissue and fluff-handling operations. |
| NW | Nonwoven: Engineered fibrous material formed and bonded without conventional weaving or knitting. Used for wipe substrates, topsheets, acquisition layers, barrier cuffs, and outer covers in absorbent hygiene products. |
| NWSP | Nonwovens Standard Procedures: Harmonized industry test procedures covering nonwoven materials and related absorbent-product components. Provide common methods for evaluating properties such as strike-through, wetback, strength, and superabsorbent performance. |
| O | |
| OD | Outside Diameter: External diameter of a wound roll, core, or rotating component. Finished-roll diameter affects dispenser fit, while parent-roll dimensions influence unwind capacity, handling, and changeover frequency. |
| OEE | Overall Equipment Effectiveness: Composite measure combining equipment availability, operating-speed performance, and quality yield. Helps separate downtime, slow running, and rejects when improving tissue, diaper, pad, or wipe converting lines. |
| OTC | Over-the-Counter: Nonprescription drug category relevant to skin-antiseptic wipes marketed with drug claims. Classification affects permitted active ingredients, labeling, manufacturing controls, and applicable regulatory pathways. |
| P | |
| PE | Polyethylene: Polymer used in hygiene backsheets, breathable films, and certain bicomponent fibers. Grade and structure influence softness, liquid containment, thermal bonding, and compatibility with adhesives. |
| PEFC | Programme for the Endorsement of Forest Certification: Organization endorsing forest-certification systems and operating chain-of-custody requirements. Tissue converters use eligible materials and verified accounting controls to support approved certified-sourcing claims. |
| PET | Polyethylene Terephthalate: Polyester used in nonwoven fibers and bicomponent structures for wipes and acquisition materials. Contributes strength, dimensional stability, and resilience, with surface treatments influencing liquid wetting behavior. |
| PET | Preservative Efficacy Test: Microbial challenge test assessing whether a product’s preservation system controls deliberately introduced microorganisms over specified intervals. Essential to evaluating the microbial protection of water-containing wipe formulations and finished wipe systems. |
| PFAS | Per- and Polyfluoroalkyl Substances: Family of fluorinated substances subject to restrictions affecting specified hygiene products in several jurisdictions. Supplier controls and appropriate testing support compliance for materials, treatments, and finished articles. |
| PHA | Polyhydroxyalkanoates: Family of biologically produced polyesters used or evaluated for biodegradable nonwoven and film components. Material selection must consider converting behavior, functional performance, and evidence for the intended disposal conditions. |
| PIF | Product Information File: Documentation package required for cosmetic products in the European Union. For cosmetic wipes, it includes the safety report, manufacturing information, product description, and supporting evidence for relevant claims. |
| PLA | Polylactic Acid: Polymer commonly produced from renewable feedstocks and used in certain nonwoven fibers and hygiene-material developments. Its presence alone does not establish that a finished wipe or absorbent product is compostable. |
| PP | Polypropylene: Polymer widely used in spunbond and meltblown hygiene nonwovens. Fiber structure, bonding, and surface treatment determine softness, strength, wettability, and barrier performance. |
| PPM | Pieces per Minute: Production-rate measure for discrete hygiene products such as diapers, menstrual pads, and individual wipes. Useful capacity comparisons distinguish rated machine speed from sustained saleable output. |
| PSA | Pressure-Sensitive Adhesive: Adhesive that forms a bond through applied pressure without requiring a separate curing step during use. Used for pad positioning, release-backed adhesive areas, and selected fastening components. |
| PSD | Particle Size Distribution: Distribution of particle sizes within a powdered material, particularly superabsorbent polymer. Influences dosing consistency, dust generation, absorption kinetics, permeability, and core uniformity. |
| PT | Paper Towel: Absorbent tissue product converted into rolls or folded sheets for drying and wiping. Embossing, ply bonding, perforation, folding, and dispensing format help determine finished-product performance. |
| PTP | Point-to-Point: Tissue embossing and combining arrangement that aligns raised embossing points on opposing plies. Controlled registration supports bonding at matching points and influences bulk, appearance, and ply adhesion. |
| PU | Polyurethane: Polymer family used in elastic fibers, films, coatings, and other hygiene components. Stretch recovery and durability are important for cuffs, waist features, and fit-related assemblies. |
| PVA | Polyvinyl Acetate: Polymer used in emulsion adhesives for applications such as paper-core winding and selected tissue bonding operations. Adhesive specifications must distinguish it from polyvinyl alcohol, which shares this abbreviation in commercial usage. |
| PVA | Polyvinyl Alcohol: Water-soluble polymer used in certain tissue laminating, sealing, and binder formulations. It is chemically distinct from polyvinyl acetate, so procurement and formulation documents should identify the intended polymer explicitly. |
| PVAc | Polyvinyl Acetate: Unambiguous polymer abbreviation used in adhesive technical specifications. Relevant to selecting emulsion-based core-winding or paper-bonding adhesives with appropriate tack, setting behavior, and bond strength. |
| PVOH | Polyvinyl Alcohol: Unambiguous designation for a water-soluble polymer used in selected tissue adhesives and binders. Degree of hydrolysis and molecular weight influence solubility, viscosity, film formation, and bonding behavior. |
| Q | |
| QAC | Quaternary Ammonium Compound: Chemical class containing antimicrobial actives used in many disinfectant wipes. Binding to wipe fibers can reduce available active, making substrate compatibility and delivered efficacy important formulation considerations. |
| QMSR | Quality Management System Regulation: United States manufacturing-quality regulation for medical devices, incorporating internationally aligned quality-management requirements. Establishes production and quality-system obligations for covered hygiene devices, subject to applicable exemptions. |
| R | |
| REACH | Registration, Evaluation, Authorisation and Restriction of Chemicals: European Union chemicals regulation affecting substances used in nonwovens, films, adhesives, lotions, and finished articles. Drives chemical restrictions, supplier information exchange, and applicable substance-related obligations. |
| RO | Reverse Osmosis: Membrane process used to reduce dissolved contaminants in water supplied to wipe-lotion manufacturing. Treatment-system design, sanitization, and monitoring remain necessary to maintain suitable chemical and microbiological quality. |
| RP | Responsible Person: Designated legal or natural person accountable for specified cosmetic-product compliance obligations in a market. For cosmetic wipes, responsibilities include safety documentation, notification, labeling, and coordination of corrective action. |
| RSL | Restricted Substances List: Customer- or company-defined list of chemicals prohibited or limited in materials and finished products. Translates chemical-safety requirements into purchasing specifications, supplier declarations, and verification testing. |
| S | |
| SAF | Superabsorbent Fiber: Fiber-form material capable of absorbing and retaining substantial quantities of aqueous liquid. Can be incorporated into absorbent structures to distribute retention functionality without relying solely on loose polymer particles. |
| SAM | Superabsorbent Material: General designation for materials that absorb and retain large amounts of liquid relative to their dry mass. In hygiene specifications, it commonly refers to the absorbent polymer incorporated into a product core. |
| SAP | Superabsorbent Polymer: Cross-linked hydrophilic polymer that swells and retains liquid, commonly based on sodium polyacrylate. Enables high-capacity, relatively thin cores in diapers, menstrual pads, and incontinence products. |
| SAT | Site Acceptance Test: Verification of installed equipment at the purchaser’s facility against agreed acceptance criteria. Confirms operation with site utilities, production materials, integrated equipment, and required product-quality conditions. |
| SB | Spunbond: Nonwoven process in which continuous polymer filaments are formed, laid into a web, and bonded. Produces materials used in topsheets, outer covers, cuffs, and other hygiene-product layers. |
| SBC | Styrenic Block Copolymer: Polymer family combining rubber-like segments with styrenic end blocks. Used in hygiene hot-melt adhesives and elastic components where tack, flexibility, cohesive strength, and stretch recovery must be balanced. |
| SBS | Styrene-Butadiene-Styrene: Styrenic block copolymer used in selected adhesive and elastomer formulations. Its rubber-like behavior supports flexibility and bonding performance in hygiene assembly applications. |
| SCCS | Scientific Committee on Consumer Safety: European Commission scientific committee assessing safety risks from non-food consumer products, particularly cosmetic ingredients. Its opinions inform ingredient restrictions and safety assessments relevant to cosmetic wet wipes. |
| SEBS | Styrene-Ethylene/Butylene-Styrene: Hydrogenated styrenic block copolymer used in thermoplastic elastomers and selected adhesive formulations. Provides elasticity and resistance to oxidative aging in stretch components and hygiene-material assemblies. |
| SFC | Saline Flow Conductivity: Measure of saline flow through a swollen superabsorbent gel bed under specified conditions. Helps evaluate fluid transport and the risk of gel blocking in high-polymer absorbent cores. |
| SIS | Styrene-Isoprene-Styrene: Styrenic block copolymer commonly used in pressure-sensitive hot-melt adhesives. Formulations support applications such as pad positioning, elastic attachment, and bonding of lightweight hygiene substrates. |
| SMMS | Spunbond-Meltblown-Meltblown-Spunbond: Composite nonwoven with two meltblown layers between spunbond layers. Combines supporting strength with fine-fiber barrier performance for liquid-containment components such as hygiene barrier cuffs. |
| SMS | Spunbond-Meltblown-Spunbond: Three-layer composite nonwoven combining spunbond strength with a meltblown barrier layer. Used where hygiene components require both mechanical integrity and resistance to liquid penetration. |
| SS | Spunbond-Spunbond: Nonwoven formed from two spunbond web layers consolidated into one material. Layering helps control uniformity and strength in lightweight hygiene substrates. |
| SSS | Spunbond-Spunbond-Spunbond: Nonwoven formed using three spunbond web layers. Used to achieve controlled coverage, softness, and strength in lightweight topsheets, outer covers, and related hygiene materials. |
| STT | Strike-Through Time: Time required for a defined liquid dose to pass through a nonwoven coverstock into an underlying absorbent medium. Indicates surface intake behavior under the specified test conditions. |
| SVHC | Substance of Very High Concern: European regulatory designation for substances meeting specified serious-hazard criteria. Candidate List inclusion can trigger supply-chain communication and other obligations for affected hygiene materials and articles. |
| T | |
| TAB | Through-Air Bonding: Nonwoven bonding process that passes heated air through a web to activate thermoplastic bonding components. Preserves loft and openness in acquisition layers and soft hygiene coverstocks. |
| TAMC | Total Aerobic Microbial Count: Count of microorganisms recovered under specified aerobic enumeration conditions. Used in microbiological specifications and release testing for relevant wipe formulations, raw materials, and nonsterile regulated products. |
| TBAL | Thermally Bonded Airlaid: Airlaid material bonded by heating thermoplastic fibers within the cellulose-based web. Bonding conditions and fiber composition control loft, integrity, softness, and liquid-management performance. |
| TIR | Total Indicated Runout: Full indicator variation measured as a component rotates relative to a reference. Used to assess converting-roll, shaft, or blade accuracy where eccentricity can cause vibration, uneven loading, or cutting defects. |
| TPE | Thermoplastic Elastomer: Material combining rubber-like elasticity with thermoplastic processing characteristics. Used in elastic films, stretch laminates, and other fit components for diapers and incontinence products. |
| TPI | Teeth per Inch: Tooth-density specification for toothed cutting or perforating blades. In tissue perforation, blade geometry and engagement influence cut-and-tie patterns, tear behavior, and web integrity during winding. |
| TPU | Thermoplastic Polyurethane: Melt-processable polyurethane elastomer used in flexible films and laminates. Relevant to stretch components and waterproof barriers in selected reusable absorbent and incontinence products. |
| TSA | Tissue Softness Analyzer: Instrument that uses mechanical and acoustic responses to characterize properties related to tissue softness and surface structure. Supports evaluation of substrates, embossing effects, and finished-product tactile performance. |
| TSS | Toxic Shock Syndrome: Rare, potentially life-threatening toxin-mediated illness that is a central safety consideration for tampons. Influences consumer warnings, absorbency guidance, and menstrual-product safety assessment. |
| TSST-1 | Toxic Shock Syndrome Toxin-1: Toxin produced by certain strains of Staphylococcus aureus and strongly associated with menstrual toxic shock syndrome. Relevant to assessing tampon interactions with bacterial growth and toxin production. |
| TVC | Total Viable Count: Estimate of viable microorganisms recoverable using a defined culture method. Used to monitor hygiene conditions in process water, manufacturing environments, wipe lotions, and finished products. |
| TYMC | Total Yeast and Mold Count: Enumeration of recoverable yeasts and molds under specified laboratory conditions. Helps assess fungal contamination and microbiological acceptability of water-containing hygiene products and their ingredients. |
| U | |
| USP <51> | Antimicrobial Effectiveness Testing: United States Pharmacopeia chapter evaluating antimicrobial preservation through controlled microbial challenge. Relevant to qualifying preservation systems for applicable drug-classified wipe products. |
| USP <61> | Microbiological Examination of Nonsterile Products: Microbial Enumeration Tests: United States Pharmacopeia chapter specifying enumeration methods for nonsterile products. Supports microbial-count testing of applicable antiseptic wipe formulations and other drug-classified hygiene products. |
| USP <62> | Microbiological Examination of Nonsterile Products: Tests for Specified Microorganisms: United States Pharmacopeia chapter providing methods to detect specified microorganisms in nonsterile products. Complements microbial enumeration when establishing microbiological acceptability of applicable regulated wipes. |
| W | |
| WAC | Water Absorption Capacity: Amount of water absorbed and retained by a material under a defined test method. Used to compare tissue towels and wiping substrates, with results interpreted alongside absorption speed and wet strength. |
| WVTR | Water Vapor Transmission Rate: Rate of water-vapor transfer through a film or laminate under specified temperature and humidity conditions. Helps characterize breathable backsheets and other barriers intended to manage moisture while containing liquid. |