What is waterproof fabric?
Waterproof fabric is a new type of textile fabrics, the composition of which consists of polymer waterproof breathable material plus fabric composite fabric.
Waterproof fabric material waterproof coating is isocyanate, polyether by addition polymerization reaction of isocyanate group containing prepolymer, together with the catalyst, anhydrous additives, anhydrous fillers, solvents, etc. by mixing Process made of one-component polyurethane waterproof coating. Polyurethane waterproof coating is a liquid construction of one-component environmentally friendly waterproof coating, based on imports of polyurethane prepolymer as the basic ingredients, no tar and asphalt and other additives. It is cured after contact with moisture in the air and forms a solid, tough, seam-free integral membrane on the surface of the substrate.
Speaking from the production process, waterproof breathable fabric technical requirements than the average waterproof fabric much higher; the same time from the quality point of view, waterproof breathable fabric also has other waterproof fabrics do not have the functional characteristics. Waterproof breathable fabric to enhance the fabric air tightness, water tightness, while its unique vapor permeability, the structure can quickly discharge water vapor to prevent the structure of mold, and keep the body always dry, the perfect solution to the ventilation and windproof, waterproof, Warm and other issues, is a new type of health and environmental protection fabrics.
Real waterproof fabric long-term in a humid climate environment can withstand the seepage pressure, impermeable. For example, prolonged walking in the wind and rain outdoors, kneeling or sitting on the wet ground, will not seep water.
Since the solid surface tension is almost unmeasurable, one has to determine his critical surface tension in order to understand the wettability of the solid surface. Although the critical surface tension can not directly represent the surface tension of the solid, it can explain the difficulty of wetting the surface of the solid. However, it should be noted that the determination of the critical surface tension is an empirical method, and the determination of the range is very small.
Xinxiang City Yulong textile specializing in the production of flame-retardant fabrics, fluorescent fabrics, anti-arc fabric and other functional fabrics and custom fire-retardant clothing, fluorescent clothing and other multi-functional clothing.
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