This product has the most appropriate coefficient of friction, to reduce the rolling load and roll consumption. It has excellent cleaning property and permeability, can prevent zinc adhering to the roll surface, to reduce roller printing defects and prevent secondary pollution. It does not produce corrosion phenomena for GI galvanized sheet, to improve the yield. Does not result in the surrounding environment and the pollution of guide roller and can not affect the next process, to improve the operating environment. Used environmental protection raw materials and non-irritating to humans. It is an environment-friendly product.