According to the chemical composition, the colorants used in polyurethane are inorganic colorants and organic colorants. Each can be divided into two kinds: pigment and dye.

As the main auxiliary agent for polyurethane foaming, color paste is widely used in various polyurethane materials. As a professional polyurethane color paste manufacturer in East China,

Foam, the original color, off-white, will become yellow due to the oxidation reaction with oxygen in the future, some need to be bleached into white or dyed into others.

Chemically dry, operate according to the ratio.

The container for polyether polyol can be made of steel, aluminum, polyethylene or polypropylene.

The durability of concrete includes concrete's frost resistance, impermeability, chemical resistance, steel corrosion resistance and erosion resistance.