ePTFE waterproof membrane
At Huzhou Kaili New Material Technology Co., Ltd., we are dedicated to the innovation and manufacturing of high-performance ePTFE waterproof membranes - materials engineered to combine superior waterproofing, breathability, and long-term durability. Located in Huzhou, Zhejiang Province, our 3,000-square-meter facility sits at the heart of the Yangtze River Delta fluoromaterial industry cluster, giving us a strategic advantage in logistics, R&D collaboration, and export efficiency.
As a member of Kaili Advanced Materials Group, our factory specializes in fluoropolymer coating, finishing, and lamination technologies. With more than a decade of experience, we supply customized ePTFE membrane solutions to global partners across the textile, industrial, and protective equipment sectors.
Product Overview
The ePTFE waterproof membrane is a highly advanced barrier layer made from expanded polytetrafluoroethylene (ePTFE) through precision stretching technology. Its microporous network structure-with billions of pores smaller than water droplets but larger than vapor molecules-offers outstanding waterproof and breathable performance. This allows the fabric to block rain, snow, and liquids while letting perspiration and moisture escape, ensuring comfort and dryness even in harsh conditions.
Technical Expertise & Manufacturing Strength
At Huzhou Kaili New Material Technology Co., Ltd., we integrate advanced fluoropolymer processing and lamination technologies to deliver high-quality membranes with stable physical and chemical properties. Our production process ensures consistent pore size distribution and mechanical strength, providing membranes that perform reliably under demanding applications.
We maintain strict ISO-certified quality control systems, supported by:
- Automated coating and lamination lines
- Precision testing equipment for pore structure, air permeability, and hydrostatic pressure
- Experienced R&D team developing customized membrane formulations
- 10+ years of technical expertise in ePTFE and composite fabric production
Why Choose Us
- Customized OEM/ODM Service - Tailored membrane structures and lamination solutions based on client specifications.
- Professional Technical Support - Our R&D team assists customers in design, testing, and performance optimization.
- Excellent Product Quality & Competitive Pricing - Ensuring long-term value and partnership growth.
- Fast Global Delivery - Conveniently located near Shanghai for efficient logistics worldwide.
We treat every customer as a valued partner and believe in building long-term relationships through sincerity, reliability, and technical excellence.
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Our Factory
FAQs
Q1: What makes ePTFE membranes waterproof yet breathable?
A1: The membrane's microporous structure blocks liquid water while allowing water vapor to pass through, ensuring comfort and protection.
Q2: Can the ePTFE waterproof membrane be laminated to fabrics?
A2: Yes, it can be bonded to woven, knitted, or nonwoven fabrics using PU, TPU, or hot-melt adhesives.
Q3: What is the typical thickness range available?
A3: We offer membranes from 5μm to 40μm, depending on performance and application requirements.
Q4: Are your membranes eco-friendly?
A4: Yes, our membranes are PFOA-free and environmentally compliant, aligning with global sustainability standards.
Q5: What industries commonly use ePTFE waterproof membranes?
A5: They are widely applied in outdoor apparel, industrial safety clothing, filtration, and medical protection.
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