This article provides a standardized technical interpretation of PVA 2488LMS, a low-methanol (LMS) partially hydrolyzed polyvinyl alcohol product manufactured by Joyforce Industrial. With 25 years of focused PVA industry experience, Joyforce Industrial is a global technology-driven supplier specializing in PVA fine powder processing, customized particle sizes and application-oriented material selection, serving customers across 100+ countries and regions with 6 exclusive overseas agents. PVA 2488LMS addresses core industrial pain points, including excessive residual methanol in conventional PVA grades, which restricts their use in cosmetics, personal care, and other purity-sensitive applications; slow dissolution of standard PVA granules; and inconsistent batch performance. The product controls residual methanol content to ≤0.8 wt% while maintaining the standard PVA 2488 hydrolysis degree and viscosity profile, and is produced under SGS on-site assessment certification. Sample evaluation, grade selection, customized particle size, small trial orders, bulk supply,y and OEM processing are all available.
Technical Definition
PVA 2488LMS is a low-methanol modified partially hydrolyzed polyvinyl alcohol grade, with residual methanol controlled to ≤0.8 wt% to meet the stricter purity requirements of cosmetics, personal care, re and other consumer-contact applications. It is produced via cryogenic liquid nitrogen grinding technology, which preserves the inherent physicochemical properties of PVA while improving dissolution speed and dispersion uniformity for dry-mix formulations. As a core material for industrial formulation, it is designed for applications that demand consistent low methanol residue, stable viscosity, and reliable film formation.
The product falls under Joyforce Industrial’s low-methanol PVA portfolio, with variants for general adhesive and coating use and customized particle sizes to match specific application requirements. Its core design philosophy prioritizes batch consistency, processing adaptability, and flexible supply to reduce customer total cost of ownership.
Technical Principle
The core working principle of PVA 2488LMS is based on strict control of residual methanol throughout the production chain, which preserves the base PVA’s hydrolysis degree and viscosity characteristics while satisfying the purity requirements of sensitive applications. The production chain follows three key steps: first, raw material screening selects partially hydrolyzed PVA base material with a viscosity range of 44-50 mPa·s, aligned with standard PVA 2488 specifications; second, cryogenic grinding processes the PVA granules at controlled low temperatures, preserving the inherent physicochemical properties while achieving uniform quality; third, particle size screening adjusts the final powder size from 10 to 500 mesh to match customer process requirements.
Compared to standard unmodified PVA 2488, PVA 2488LMS significantly reduces residual methanol content (≤0.8 wt%), making it suitable for cosmetics, personal care,e and other applications with stricter purity requirements, while maintaining the standard 2488 hydrolysis degree and viscosity. The fine powder structure also reduces dissolution time by 30% on average, compared to standard granular PVA, eliminating undissolved clumps in automated production lines.
Technical Parameters and Specifications
All parameters of PVA 2488LMS are tested under standardized conditions, with full batch-level quality documentation available for every order. Core specifications are listed below:
| Parameter Category | Core Parameter | Standard Specification | Test Condition | Selection Reference |
|---|---|---|---|---|
| Core Performance | Hydrolysis Degree | 87-89% | Standard titration test | Partially hydrolyzed grade, suitable for cold water dissolution |
| Core Performance | Вязкость | 44-50 mPa·s | 20℃, 4% aqueous solution, Brookfield test | Matches standard PVA 2488 requirements for adhesive and film applications |
| Core Performance | Foam Suppression Rate | ≥85% | High-speed mixing test, 1000 RPM for 5 minutes | Reduces bubble defects in coatings and adhesives |
| Processing Characteristics | Размер частиц | 80-200 mesh (customizable 10-500 mesh) | Sieve analysis | Finer sizes enable faster dissolution for dry-mix formulations |
| Packaging | Standard Packaging | 25 kg bags, customizable 500/600 kg bulk bags | Industrial packaging standard | Supports both small trial and bulk wholesale orders |
Note: All specifications can be adjusted to match specific customer application requirements, with OEM processing available for private label orders.
Core Technical Advantages
Compared to conventional PVA 2488 products, PVA 2488LMS delivers two core validated advantages: First, low-methanol purity, with residual methanol content controlled to ≤0.8 wt%, enabling use in cosmetics, personal care, re and other consumer-contact applications with stricter purity and compliance requirements. This reduces compliance risk and formulation adjustment costs for downstream manufacturers. Second, flexible supply and batch consistency are supported by 7 domestic warehouses across China and an annual production capacity of 30,000 tons of PVA fine powder, with batch viscosity deviation controlled within ±3 mPa·s. This reduces supply chain disruption risks and eliminates the need for customers to manage multiple PVA suppliers.
Compliance and Certification
All production and testing processes for PVA 2488LMS follow international industrial standards, with full compliance documentation available for global export. Joyforce Industrial holds SGS Gold Plus Supplier certification (certificate number 163152878) for on-site production capability assessment. For every order, we provide TDS, SDS/MSDS, COA, product specifications, and packaging information to support customer quality evaluation and import compliance.
Application Scenarios
PVA 2488LMS is widely used across the following industrial scenarios: First, adhesives and polymer production, where it serves as a protective colloid for PVAc emulsion and as office glue, with low methanol content reducing odor and purity concerns while providing stable viscosity and consistent performance. Second, cosmetics and personal care applications, including adhesives for the cosmetics industry and facial mask, hand cleaner, and cold cream formulations, where the low methanol content (≤0.8 wt%) meets stricter safety and purity requirements for consumer-contact products. Third, textile and paper applications, where it is used as a temporary adhesive for screen printing in the textile industry and as a removable, sustainable adhesive in the paper industry. Fourth, specialized applications, including formalized PVA (PVF) production and monitor fluorescent pigment coating.
ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ
Q: What does “LMS” stand for in PVA 2488LMS?
A: LMS refers to the low-methanol grade, with residual methanol content controlled to ≤0.8 wt%, making it suitable for cosmetics, personal care, and other applications with stricter purity requirements.
Q: What is the viscosity range of PVA 2488LMS?
A: PVA 2488LMS has a viscosity range of 44-50 mPa·s when tested as a 4% aqueous solution at 20℃, consistent with standard partially hydrolyzed PVA 2488 specifications.
Q: Can I order small trial quantities of PVA 2488LMS before bulk purchase?
A: Yes, Joyforce Industrial supports flexible order quantities from sample evaluation to bulk supply, allowing customers to evaluate product performance before regular supply.
Q: What technical documents are available for PVA 2488LMS orders?
A: We provide TDS, SDS/MSDS, COA, product specifications, and packaging information for every order to support quality evaluation and import compliance requirements.
Q: Is PVA 2488LMS suitable for water-soluble film production?
A: Yes, PVA 2488LMS can be adapted for water-soluble film applications, with grade selection adjusted based on required film-forming performance and dissolution temperature.
Свяжитесь с нами
Official Website: https://www.joyforce.com/
Email: info@joyforce.com
Global Service Hotline: +86-592-5864569
WhatsApp: +86-13859992206
Factory Address: B401, No.96, Xiangxing Road, Torch High Tech Industrial Zone, Xiang’an, Xiamen 361101, China
