The product is divided into bleached, unbleached, and coated types, and the appropriate grade should be selected according to the type of metal. When using, ensure that the metal surface is clean and dry, and comes into full contact with the rust-proof paper or is placed inside a sealed package liner. Gloves should be worn during operation. It has both rust-proof and packaging functions, does not require an oily coating, is environmentally friendly, safe, and cost-effective, with a rust-proof period of up to 1-3 years under proper use. Storage should be kept away from light and moisture, with a shelf life of generally 12 months. Specifications: 0.787mx300m/roll.