Hygiene grade spunlace nonwoven is the dominant engineered substrate in modern personal care and disposable hygiene manufacturing. Across the Wipes Series — from everyday cleansing towels to premium wet wipes — this class of fabric delivers a reproducible, skin-compatible performance profile that conventional woven textiles cannot replicate at industrial scale. The two core product lines within this category, Hydrophilic Spunlace for Face Towels and Spunlace Nonwoven for Wipes, share the same fundamental hydroentanglement technology while diverging in fiber composition, basis weight, finishing method, and end-use specification. Understanding those differences — and the engineering logic behind them — is essential for any buyer, product developer, or brand owner sourcing nonwoven substrates for hygiene applications.
The term hygiene grade is not a marketing label; it describes a defined set of material purity and biocompatibility requirements that distinguish skin-contact fabrics from general industrial nonwovens. Fibers used in hygiene grade production must be free from heavy metal residues, optical brighteners, formaldehyde-based finishes, and azo colorants with restricted aromatic amines. Any lubricant or finishing agent applied during fiber processing must meet food-contact-safe thresholds, or be eliminated from the process entirely.
For products that contact the face, eyes, or mucous membranes — including the disposable face towels produced in Aojia's Wipes Series — biocompatibility testing aligned with ISO 10993 (cytotoxicity, sensitization, skin irritation) is the appropriate framework. The aqueous extract pH of finished fabric should fall between 6.0 and 8.0 to remain compatible with the natural acid mantle of human skin. Fluorescence testing under UV light confirms the absence of optical brighteners — a standard incoming quality check in responsible hygiene converting operations. Aojia's compliance documentation, including relevant quality certifications, is available on the Patents & Certificates page, simplifying the supplier qualification process for international buyers operating under EU REACH, US FDA 21 CFR, or China GB 15979 frameworks.
Spunlace fabric is produced through hydroentanglement, a binder-free bonding method that uses high-pressure water jets — typically operating in the range of 30 to 120 bar — to mechanically interlock individual fibers within a loose web into a coherent, dimensionally stable fabric. No adhesive resins, latex binders, or thermal fusion are involved, which means the finished material carries no residual bonding chemistry that could interact with skin or with the active ingredients loaded into wet wipes.
The fiber web is first formed by carding or cross-lapping, then transported on a porous forming belt beneath multiple rows of high-pressure jet strips. The geometry of the jet orifices, the spacing between rows, the belt texture, and the hydraulic pressure profile all directly control fabric structure: basis weight uniformity, surface pattern, tensile-to-elongation ratio, and fiber-to-fiber entanglement density. Post-entanglement, the web is dewatered by vacuum extraction and dried in a through-air oven, preserving the open structure that gives spunlace its characteristic softness and absorbency. Aojia operates two independent production lines at its Jiaxing City facility — one dedicated to high-volume commercial production and a second reserved for new specification development and custom trials — enabling rapid prototyping without disruption to ongoing orders.
Fiber selection governs nearly every performance attribute a buyer cares about: softness, wet strength, absorbency, biodegradability, cost, and laundering durability. The Wipes Series utilizes the following fiber types, selected according to application requirements.
Viscose (Rayon) is derived from wood pulp cellulose and processed into fiber form through a wet-spinning route. It is inherently hydrophilic, absorbing 6 to 10 times its dry weight in liquid — one of the highest absorption capacities among common nonwoven fibers. Its cellulosic origin makes it biodegradable under industrial composting conditions, which aligns with increasing retailer and regulatory pressure on disposable hygiene product waste. The primary limitation of viscose is reduced wet tensile strength relative to synthetic fibers; this is managed through blending or through controlled jet entanglement density.
Polyester (PET) contributes dimensional stability and tensile strength, particularly when the substrate is saturated with liquid under mechanical stress. A wet wipe must survive vigorous wiping motion without tearing — a performance standard that viscose alone often cannot meet across the full gsm range. Pure polyester is hydrophobic, so it is not used alone in absorbent wipe applications; instead it is surface-treated with a hydrophilic finish or blended with viscose at ratios that preserve absorbency while adding structural integrity.
Viscose/Polyester blends at 70/30 or 50/50 ratios represent the industry standard for general-purpose wet wipes and are the most widely specified substrates in the spunlace nonwoven for wipes range. These blends balance absorbency, wet strength, and unit cost effectively across the 40 to 60 gsm weight range typical for wipe converting.
Bamboo fiber, derived as a lyocell-type process from bamboo cellulose, is gaining adoption in premium personal care lines. It produces a distinctly silky hand feel, carries natural antimicrobial properties attributable to bamboo kun, and qualifies as a renewable raw material under major green procurement frameworks. Bamboo-based substrates are particularly well suited to the upper tier of the face towel product range, where tactile differentiation and sustainability claims are part of the brand proposition.
Cotton fiber remains the benchmark for skin compatibility and is the preferred substrate for sensitive-skin, infant care, and clinical-adjacent applications. Its naturally hydrophilic cellulosic structure requires no chemical hydrophilic finishing, simplifying the material declaration and reducing residual chemistry concerns. Cotton spunlace commands a cost premium over viscose or blended options but maintains strong demand in segments where the raw material story is a meaningful purchase driver.
Hydrophilic treatment is a critical value-adding step for polyester-containing substrates. The process involves applying a durable surfactant-based or polymer-based hydrophilic agent to fiber surfaces, reducing surface tension and enabling rapid liquid uptake. The key technical parameters that define a well-executed hydrophilic finish are the contact angle reduction (from approximately 78° for untreated PET to below 30° after finishing), the durability of the finish through multiple saturation-drying cycles, and the chemical safety profile of the finishing agent at skin contact levels.
For hydrophilic spunlace fabric used in reusable face towels — which may undergo 20 to 50 laundry cycles over their service life — finish durability is a primary specification parameter. Aojia's hydrophilic-treated fabrics are designed to maintain wetting performance through repeated laundering at 40°C, preserving the absorptive function that differentiates them from conventional terry towels in personal care applications.
Basis weight (gsm): Controls product thickness, absorbent capacity, and converting cost. Wipe substrates typically fall in the 40 to 60 gsm range; face towels run from 60 to 120 gsm depending on end-use (single-use vs. reusable). Aojia produces substrates across 40 to 120 gsm.
Wet tensile strength (MD/CD): Measured in N per 50 mm strip width per ISO 9073-3 or equivalent. Minimum performance thresholds for wet wipes typically require 20 N/50mm in the machine direction and 10 N/50mm in the cross direction. Substrates with insufficient wet strength will delaminate or tear during the wiping motion.
Liquid absorption rate and total capacity: Expressed as seconds to full saturation (absorption rate) and grams of liquid per gram of dry fabric (absorption capacity). Viscose-dominant blends typically achieve 6 to 10× dry weight absorption; cotton substrates perform similarly. These values must be confirmed under the specific liquid system (water, saline, lotion) the converter intends to use, as solution chemistry affects measured absorption.
Basis weight uniformity (CV%): Coefficient of variation in gsm across roll width and along roll length. A CV above 5% introduces visible thickness variation and inconsistent saturation in wet wipe products. Tight weight tolerance (±3 gsm) is standard for facial mask substrates covered in Aojia's cosmetology product range.
Linting and fiber shedding: Critical for face towels and eye-area wipes. Low-lint performance is achieved through adequate entanglement density and consistent web formation. Aojia's face towel substrate is specifically engineered for lint-free performance to prevent fiber deposition on skin or in sensitive areas.
Roll width and winding specification: Aojia produces fabric widths from 100 mm to 3,400 mm for face towels and 100 mm to 3,200 mm for wipes, covering slit rolls for folded wipe lines, full-width rolls for rotary die-cutting, and narrow slits for facial strip formats.
The surface texture of spunlace nonwoven is determined at the forming belt stage of the hydroentanglement process and has functional, not merely aesthetic, implications.
Plain weave produces the smoothest possible surface finish and delivers the most consistent liquid distribution across the face of the fabric. It is the preferred surface for sensitive applications including neonatal wipes, ophthalmic cleansing pads, and high-end cosmetic removal pads where minimum mechanical stimulation is required.
Pearl pattern (micro-embossed dot structure) creates a three-dimensional surface relief that improves liquid channeling away from the skin surface, reducing the perception of sogginess during wiping. The micro-channels formed between the raised dots distribute liquid more evenly during conversion and use. Pearl pattern is the dominant surface choice for general-purpose baby wipes and cleansing wipes in the spunlace nonwoven for wipes range.
EF (embossed fine) pattern increases the effective surface contact area and enhances mechanical scrubbing action without abrasive materials. This makes it suitable for body wipes, household surface cleaning wipes, and industrial wiping applications that require more active soil removal — applications that overlap with the wiping cloth series Aojia also produces for the home improvement and industrial segments.
Flushable variants use a specific formation method that produces fabrics with controlled dispersibility in water — fabric integrity is maintained during use but the web breaks apart under toilet-flushing hydraulic conditions. This format is available in the wipes product line and must be produced to INDA/EDANA GD4 or equivalent flushability standards to prevent plumbing system issues.
The Hydrophilic Spunlace Face Towel and the Spunlace Nonwoven for Wipes share the same production platform but diverge significantly in specification. Face towels prioritize basis weight range (40 to 120 gsm), mechanical durability through repeated laundering (wet strength retention after 20+ wash cycles), and a thick, textile-like hand feel that replaces conventional cotton terry in premium personal care and hospitality contexts. The broader gsm range allows face towel substrates to serve both single-use disposable formats (lower gsm) and genuine reusable alternatives to traditional towels (higher gsm). Material options include polyester, viscose, bamboo fiber, and cotton, or blended versions, giving brand owners the raw material story they need for their positioning.
Wipes substrates operate in a tighter gsm window of 40 to 60 gsm, reflecting the cost sensitivity and logistical constraints of high-volume wet wipe converting. The primary technical requirements shift toward liquid retention (wipes must remain saturated from production through end use), wet tensile strength adequate for wiping motion, compatibility with preservative-containing liquid formulations (which can interact with certain finishing agents), and converting runnability on high-speed folding and cutting lines. Flushable and biodegradable variants add a dispensability dimension that is absent in face towel engineering.
Buyers supplying major consumer markets must navigate several parallel regulatory frameworks. In the European Union, skin-contact nonwoven products must comply with REACH Regulation (EC) No 1907/2006 regarding restriction of hazardous substances, and products with a medical-adjacent function may fall under MDR 2017/745 depending on labeling and intended use claims. The United States market applies FDA 21 CFR provisions for materials in contact with skin, particularly when antimicrobial or preservative-containing formulations are present. In China, disposable sanitary articles are governed by GB 15979, which specifies microbiological limits, pH range, fluorescence requirements, and packaging hygiene conditions for finished products.
Aojia's manufacturing operations in Jiaxing City, Zhejiang Province hold quality certifications that support international market entry documentation. Buyers can review current certificates on the company profile and certification page and may request additional test reports or third-party certification documentation as part of supplier qualification. For medical and clinical applications beyond the core wipes range, the medical series products operate under additional sterility and material purity requirements.
The hygiene nonwoven sector faces growing regulatory and consumer pressure regarding disposable product waste. Viscose and cotton spunlace fabrics are biodegradable cellulosic materials; third-party testing typically demonstrates more than 90% disintegration within 12 weeks under industrial composting conditions aligned with EN 13432. Bamboo-derived substrates add a fast-renewable raw material story and are recognized under major sustainability labeling programs.
For reusable face towel applications, the thickness range of 80 to 120 gsm is specifically engineered to survive machine washing at 40°C with low pilling tendency and retained tensile strength. Air-drying after use allows the fabric to recover its structure between laundering cycles. Compared to conventional cotton terry towels, spunlace face towels dry significantly faster due to their open pore structure, which also reduces conditions favorable to bacterial growth during storage between uses.
Custom biodegradable and flushable options are available in the wipes product line, allowing converters to respond to retail sustainability requirements without a full substrate reformulation effort.
The Wipes Series represents Aojia's core hygiene application, but the underlying spunlace technology extends into several other product categories that share engineering DNA with the wipes substrate platform. The cosmetology series — covering facial mask substrates and beauty tool fabrics — requires tighter basis weight tolerance (±3 gsm) and extremely low linting performance, demanding the highest-consistency production conditions within the spunlace process. The medical series utilizes 100% viscose or cotton substrates to avoid electrostatic charge generation in surgical environments, and requires sterility-compatible production conditions. The base cloth series serves industrial and composite applications where spunlace fabric is used as a substrate for coating, lamination, or chemical impregnation. The home improvement series applies spunlace and related nonwoven technologies to household functional products. Understanding this broader portfolio helps buyers identify the most appropriate product category for their specific application when requirements fall at the intersection of hygiene and another functional domain.
Zhejiang Aojia Nonwoven Technology Co., Ltd. operates from No. 398, Huanzhen West Road, Xincheng Town, Xiuzhou District, Jiaxing City, Zhejiang Province, China. The company's two spunlace production lines — one for high-volume commercial manufacture, one for R&D and custom specification trials — support a full OEM development cycle from fiber selection through finished roll specification, without reliance on third-party tolling facilities. This vertical integration gives Aojia direct control over cost, quality, and lead time across custom programs.
Available customization parameters include fiber type and blend ratio, basis weight (40 to 120 gsm), roll width (100 to 3,400 mm), surface pattern (plain, pearl, EF, flushable), and functional finishing (hydrophilic, water-repellent, antibacterial, antistatic, flame-retardant, UV-resistant). Composite properties combining two or more functional finishes can be developed based on specific application requirements. Buyers with non-standard specifications, new product development programs, or private-label sourcing needs are encouraged to contact the Aojia team directly with their technical brief.
For a full overview of Aojia's production capabilities, material certifications, and facility information, visit the About Us page. To explore the complete product portfolio beyond the Wipes Series, browse the full product range. Industry news, technical updates, and application case content are available on the News page.
We have 2 advanced spunlace production lines: one for high-quality products, the other for new product R&D and production. With one-stop services, we independently control production requirements, boasting advantages in cost, quality control and product diversification.
We develop products with special specs and uses based on user and market needs, while providing optimal service and support. We also offer custom production with special processes as required, including water repellency, flame retardancy, anti-aging, anti-static, anti-bacterial, anti-ultraviolet and special composite properties.
