[ Products Description ] 
Conveyer at present is made of steel as the main material. It is rust able, not corrosion-resistant capacity for chemical material, such as acid\ alkali, salt etc., the life is normally 1-2 years, the life of strap is shorten with high abrasion. Aim at above deficiency, our company developed the airproof porcelain drag roller with high strength, it is rustless and strong corrosion-proof, the life is up to 4-5 years. The life of the strap is prolonged, as the surface is smooth, abrasion is 0.1%. The roller is never stolen, because the porcelain is useless for recovery. The above product is adopted with high quality steel, precisely machined, domestic famous brand bearing, exempted of inspection, as the moving part, on the inside and outside of bearing was assem bled with the labyrinth sealed ring, in order to prevent from water and dust. The product has the high concentric and no. moving out feature, as it is assembled on the high precise assemble rack.

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