... ,salt,heat and abrasion SpecificationsBag closing thread is made of 100% polyester yarn that has high tensile strength,high resistance to alkali ... machines (Stationary & Portable) - Sewing of multi-wall paper bag, PP woven bag, jute, Gunny, Hessian and Bulk Bag (FIBC), etc. - For ... , etc Standard Specification: - NE 20/6 ply, NE 12/4 ply, NE 12/5 ply, NE 10/5 ply, etc - More specifications ...