it is made of 100% polyester yarn that has high tensile strength,high resistance to alkali, ... ,heat and abrasion SpecificationsBag closing thread is made of 100% polyester yarn that has high tensile strength,high resistance to alkali ... Fertilizers, Feed meal, Grains, Cereal, Flour, Sugar, Cement, Lime, Chemical, Resin, Geotextile, Charcoal, etc. - Binder (Reinforced Material) for making Filter Fabric ...