The zipper bears high tenacity and corrosion resistance. Due to the fact that the tape has been treated with stone washing, dry cleaning, sand wash, acid rinsing, anti-crease finish and rinsing, it bears no decoloration and low water shrinkage. The tape is free of nitrogen, heavy metals, nickel, carcinogens and allergens. Zipper teeth are uniform. The zipper is in strict conformity to ASTM standards. The lateral tensile strength is 48kg. The bottom horizontal tensile strength is 20kg. The top tensile strength is 12kg. The sliding pull resistance of each tooth is 10kg. The compression strength is 7kg. The sliding pull resistance of the box is 17kg. The general strength is 23kg for open-end zippers. The deflection resistance is 22kg. The zipper is applicable to skiwear, wind shirt, hooded cotton-padded coats and military bags and covers, etc.