what is best polyester monofilament for zipper

- Jul 11, 2017-

    Zipper monofilament polyester chip of raw materials, it has two components: new materials and materials
New material is divided into general mucous biopsy, medium viscosity, high slicing, transparent color
Back to the material is unclear, transparent color is dark yellow, welcome expert added
The stand or fall of raw materials directly affects the quality of the zipper monofilament, and good zipper monofilament polyester chip makes contrast of color is more close to the color of the ribbon, after production zipper monofilament need to detect its four aspects: strength, elongation, dry heat shrinkage (180 ℃, 30 min), boiling water shrinkage (30 min)