The polyurea waterproof coating is a solvent-free, pollution-free and highly reactive protective coating.
This product is a two-component, solvent-free, quick-curing green environment-friendly elastic waterproof material of A and B, which is divided into high-elastic spray (pure) polyurea waterproof coating (JNC) and high-elastic spray polyurethane (urea) (commonly known as semi-polyurea) elastic waterproof coating (JNJ) according to different film-forming reaction groups. It is divided into type I and type II according to physical properties. Components A and B are mixed and sprayed out in the spray gun of the special spraying equipment, and quickly react and solidify to form an elastomer waterproof film.
Component A of high-elastic spray (pure) polyurea waterproof coating is a semi-prepolymer prepared by the reaction of hydroxy-terminated compound and isocyanate; Component B is a mixture of amino-terminated resin and amino-terminated chain extender, and shall not contain any hydroxyl component and catalyst, but a small amount of pigment and dispersed additives are allowed. Component A of high-elastic spray polyurethane (urea) (commonly known as semi-polyurea) elastic waterproof coating is a semi-prepolymer prepared by the reaction of hydroxy-terminated compound and isocyanate; Component B is a mixture of hydroxy-terminated resin or amino-terminated resin and amino-terminated chain extender. Component B can contain catalysts used to improve reaction activity, and a small amount of pigments and dispersed additives are allowed.
This product needs to be formed by special professional construction machinery during film forming. Its excellent physical and chemical performance index, convenient construction process, integrity of waterproof and anti-corrosion system, and environmental protection are unmatched by any other traditional protective materials and technologies. It is widely used for waterproof and anti-corrosion of urban subway, high-speed railway, tunnel bridge, water conservancy and electromechanical, marine chemical, and dual-use projects Wear-resistant "two prevention and one resistance" project.
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