Polyurea Corrosive Resistant Material

Product description

Polyurea anticorrosive material is a two-component elastomer material composed of A component as a semi-prepolymer with terminal NCO groups, and a B component consisting of amino-terminated polyether, amine chain extender and additives. It can be used as anti-corrosion coatings and linings on the surface of material. It has excellent anti-corrosion properties, can form hard coatings of different thicknesses, and can be used to various metal substrates.

Traditional anti-corrosion materials

Anticorrosive materials for chemical storage tanks generally fall into two categories: lining and coating. Commonly used lining materials are generally prefabricated block materials, which require a special pasting process during construction, and the construction quality is difficult to guarantee. These linings themselves have good corrosion resistance, but the joints are easy to leak and cause overall failure. Epoxy and other anticorrosive coatings have the advantages of convenient construction, but they are not tough enough. They are easily cracked under thermal stress or impact, and contain organic solvents, which are harmful to humans and pollute the environment. The pinholes generated by solvent volatilization can also cause corrosive media and infiltration.

Advantages of polyurea corrosion protection

Spraying polyurea coating is seamless as a whole. Moreover, polyurea has excellent elasticity and resistance to impact and cracking. Polyurea also contains no solvents and is pollution-free. It is an excellent anti-corrosion material.

Polyurea has excellent construction performance. It can be sprayed on any curved surface, inclined surface and vertical surface. It can fast curing: gel in 5s, 1min can reach walking strength, and then subsequent construction can be carried out. The construction efficiency of polyurea is high, and it only takes 30 minutes to spray a 100 square meter area. The thickness of one-time spraying can reach about 2mm.

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