Waterproof & Breathable Fabric
Waterproof and breathable fabrics are important materials for outdoor apparel and functional textiles. Their primary function is to prevent external rainwater from penetrating while allowing body moisture and water vapor to escape, helping the wearer stay dry and comfortable in rainy weather, during physical activities, or in high-humidity environments.
Common waterproof and breathable technologies include laminating PU (Polyurethane) or TPU (Thermoplastic Polyurethane) waterproof breathable membranes onto woven or knitted fabrics. Special coating technologies can also be applied to create a waterproof barrier. These structures effectively block liquid water from the outside while allowing moisture vapor generated by perspiration to pass through the fabric, reducing heat and moisture buildup inside the garment.
The fabric surface can also be treated with a DWR (Durable Water Repellent) finish, which causes rainwater to bead up and roll off the surface, reducing water absorption and further enhancing outdoor performance.
The performance of waterproof and breathable fabrics is commonly evaluated by Hydrostatic Pressure for waterproofness and MVTR (Moisture Vapor Transmission Rate) for breathability. By selecting different fabric constructions, membranes, coatings, and finishing technologies, waterproofness, breathability, wash durability, and softness can be customized according to customer requirements.
Waterproof and breathable fabrics are widely used in outdoor jackets, hiking wear, ski wear, rainwear, sportswear, and functional workwear.
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