Why are polyurethane coated wheels so durable

Why are polyurethane coated wheels so durable

The special chemical properties of polyurethane are more wear-resistant, anti-slip, noise reduction and ground protection when used to cover rubber wheels. Polyurethane is a special kind of rubber that can be molded into the shape you need by pouring, injection molding and other casting methods, iron core coating, shaped parts coating, or as seals, offshore oil drilling bend limiter can be. Different companies have different material formulations, and the general polyurethane temperature resistance is 0-80 degrees. Bearing also depends on the company's formula, caster size, bearings and other factors, the general 3-inch polyurethane caster in about 80kg.

Polyurethane, is a polymer containing carbamate group in the main chain of macromolecules called polyurethane, polyurethane is divided into polyester polyurethane and polyether polyurethane two categories. Polyurethane has many excellent properties, so it has industrial applications. Because the groups contained in polyurethane macromolecules are strong polar groups, and the macromolecules also contain polyether or polyester flexible chain segments, polyurethane has the following characteristics: (1) high mechanical strength and oxidation stability; ② It has high flexibility and resilience; ③ It has excellent oil resistance, solvent resistance, water resistance and fire resistance.

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