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 86kg. The bottom horizontal tensile strength is 9kg for open-end zippers and 4kg for close-end zippers. The top tensile strength is 10kg. The compression strength is 5.5kg. The sliding pull resistance of the box is 10kg for open-end zippers, and 7kg for close-end zippers. The general strength is 18kg. The deflection resistance is 35kg. The zipper is applicable to casual wears (for female), sports wear, ski wear, wind shirt, raincoats, knitted sweaters and childrens wear, etc.