eptfe breathable waterproof coating for garments
Huzhou Kaili New Material Technology Co., Ltd. specializes in applying ePTFE (expanded Polytetrafluoroethylene) coatings to create the world's most breathable and durable waterproof garments. Unlike traditional PU or TPU coatings that can feel "clammy" or degrade over time, our ePTFE finishing process creates a permanent, microporous barrier that manages the body's microclimate with surgical precision.
By integrating our ePTFE solutions, garment manufacturers can achieve the highest ratings in both the Sutherland Rain Test and Moisture Vapor Transmission standards.
| Performance Metric | Standard | Huzhou Kaili ePTFE Grade |
| Waterproofness | ISO 811 | 15,000mm – 30,000mm H₂O |
| Breathability (Ret) | ISO 11092 | < 6 (Extremely Breathable) |
| Moisture Vapor (MVTR) | ASTM E96 BW | 10,000 – 20,000 g/m²/24h |
| Wind Resistance | ISO 9237 | 0 mm/s (100% Windproof) |
| Wash Durability | ISO 6330 | Performance maintained after 50+ cycles |
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Engineering Excellence: How It Works
Our coating and finishing process utilizes the unique properties of fluoropolymers to provide a "breathable-active" shield:
- Microporous Breathability: Our coating contains billions of pores that are much smaller than a water droplet but significantly larger than a water vapor molecule. This allows sweat to evaporate instantly while blocking external rain.
- Oleophobic Protection: We offer specialized finishes that protect the ePTFE layer from body oils, sweat, and detergents, which typically clog standard breathable coatings and reduce performance.
- Durable Water Repellency (DWR): Our finishing treatments ensure that water beads off the surface of the garment, preventing the "wet-out" effect that reduces breathability in inferior fabrics.
- Silicone-Enhanced Customization: As experts in both fluoropolymers and silicones, we can customize the hand-feel (softness) and abrasion resistance of the coated fabric to meet premium fashion or rugged workwear requirements.
Strategic Manufacturing in Huzhou
Our 3,000 square meter facility is located in the heart of the Yangtze River Delta fluoromaterial industry cluster. This strategic location allows us to:
- Source Premium Raw Materials: Direct access to the best fluoropolymer supply chain in China.
- Rapid Prototyping: 1.5 hours from Shanghai, enabling fast sample delivery and technical consultations for global brands.
- Scale Production: Specialized machinery for high-volume coating and finishing of performance textiles.
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Our Factory
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