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聚氨酯防水涂料亦称聚氨酯涂漠防水材料，是以聚氨酯树脂为主要成膜物质的一类高分子防水涂料，由异氰酸酯基的固化剂以及其他助剂的混合物按一定比例混合而成，无焦油和沥青等添加剂，是一种液态施工的单组分环保型防水涂料，它于空气中的湿气接触后固化，在基层表面形成一层坚固而坚韧的无接缝整体防水膜。该类涂料为反应固化型（湿气固化）涂料、具有强度高、延伸率大、耐水性能好、绿色环保、涂膜密实、施工简便等特点，对基层变形的适应能力强，适用于各种地下建筑、厨房、厕所、浴室、卫生间的防水工程，在使用聚氨酯防水涂料时，要求基面平整、干净。
Polyurethane waterproof coating, also known as polyurethane desert waterproof material, is a kind of high polymer waterproof coating with polyurethane resin as the main film-forming material. It is composed of isocyanate based curing agent and other additives in a certain proportion, without additives such as tar and asphalt. It is a one-component environmental protection waterproof coating for liquid construction, which is solid after contacting with the moisture in the air It can form a solid and tough seamless overall waterproof membrane on the surface of the base course. This kind of coating is reaction curing (moisture curing) coating, which has the characteristics of high strength, high elongation, good water resistance, green environmental protection, dense film, and simple construction. It has strong adaptability to the deformation of the base layer, and is suitable for the waterproof engineering of various underground buildings, kitchens, toilets, bathrooms and toilets. When polyurethane waterproof coating is used, the base surface is required to be flat and clean.