... pp yarn have high tensile strength,high resistance to alkali,acid,salt,heat and abras 2) can recycle the PP bags directly PP ... Portable) - 2)Sewing of multi-wall paper bag, PP woven bag, un-woven bag,jute, Gunny, Hessian ... Charcoal, etc. - 4)Binder (Reinforced Material) for making Filter Fabric, Canvas, Ropes, Webbing, Core Thread for Zipper, ... , Green and Brown C) Mixed Colour PP yarn for closing bags