Using 100% polypropylene as raw material, the polypropylene fiber is bundle shape single yarn of high strength made through speical technical process which has the characters of of strong acid resistance, strong alkali resistance, week thermal conductivity and very strong chemical stability. Mixed it with the concrete or motar,cracks caused by plastic shrinkage of the concrete and motar or temperature change can be avoided effectively. The anti cracking and anti permeability, anti-impact and anti vibration ability of the concrete can be greatly improved, thus it is widely used for the underground project water proofing, the roof, wall,floor, water pond underground room of civil buildings, and road paving and bridge projects. It is ideal material of anti-crack, seepage prevention, corrosion-proof and warm insulation for concrete and mortar.

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