eptfe membrane for outerwear fabric structures
Huzhou Kaili New Material Technology Co., Ltd. produces specialized ePTFE (expanded Polytetrafluoroethylene) membranes engineered to be the functional heart of multi-layered outerwear. In the demanding world of professional outdoor gear, the membrane must do more than just block water; it must maintain its structural integrity under constant mechanical stress, temperature fluctuations, and repeated laundering.
Produced at our 3,000m² facility in the Yangtze River Delta fluoromaterial cluster, our membranes provide the stability and performance required for elite-tier outerwear brands.
| Property | Test Method | B2B Performance Range |
| Waterproof Rating | ISO 811 | 15,000mm – 30,000mm H₂O |
| Breathability (Ret) | ISO 11092 | 3.0 – 6.0 (Extremely Breathable) |
| Wind Resistance | ISO 9237 | 0.0 mm/s (100% Windproof) |
| Pore Size | Porometry | 0.1μm – 0.5μm |
| Thickness | Micrometer | 10μm – 35μm |
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Engineering the "Perfect Bond" for Outerwear
In outerwear construction, the failure point is often not the membrane itself, but the lamination bond. Our ePTFE films are designed to optimize the interface between the outer shell and the inner lining.
- High-Energy Surface Treatment: We utilize advanced finishing techniques to increase the surface energy of the ePTFE, ensuring a superior mechanical bond with PUR (Polyurethane Reactive) adhesives. This prevents delamination even in high-friction areas like shoulders and elbows.
- Bi-Component Versatility: Our membranes are compatible with a wide range of outerwear face fabrics, from lightweight 7D micro-ripstop to heavy-duty 500D Cordura®, ensuring a consistent "hand-feel" and drape.
- 4-Way Stretch Compatibility: For active-cut outerwear, we offer specialized ePTFE grades with high elastic recovery, allowing the membrane to move with the fabric without "cracking" or losing waterproofness.
Optimized for Professional Outerwear Structures
- Professional Mountaineering: High-durability membranes for 3-layer (3L) hardshells that withstand abrasive rock and ice environments.
- Ski & Snowboard Wear: Balanced thermal protection and high MVTR (Moisture Vapor Transmission Rate) for temperature regulation during stop-and-go activity.
- Tactical & Military Jackets: Low-noise, high-strength membranes compatible with NIR (Near-Infrared) reflectance requirements.
- Lightweight Trekking: Ultra-thin ePTFE for 2.5L structures that offer emergency weather protection with minimal pack volume.
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