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 58kg. The bottom horizontal tensile strength is 10kg. The top tensile strength is 6.5kg. The compression strength is 3kg. The sliding pull resistance of the box is 11kg. The general strength is 11kg. The deflection resistance is 29kg. The zipper is applicable to casual wears (for female), sports wear, ski wear, wind shirt, raincoats, knitted sweaters and childrens wear, etc.