... ,acid,salt,heat and abras 2) can recycle the PP bags directly PP bag closing thrad have high tensile strength,high ... , Resin, Geotextile, Charcoal, etc. - 4)Binder (Reinforced Material) for making Filter Fabric, Canvas, Ropes, Webbing, Core Thread for Zipper, etc Package ... , Green and Brown C) Mixed Colour PP yarn for closing bags