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 lateral tensile strength is 45kg. The bottom horizontal tensile strength is 14kg. The top tensile strength is 12.5kg. The sliding pull resistance of each tooth is 6.5kg. The compression strength is 6.5kg. The general strength is 24kg. The bottom tensile strength is 7.5kg. The deflection resistance is 20kg. The zipper is applicable to casual wear, fashionable dresses, skiwear, sports wear, wind shirt, knitted sweaters and childrens wear.