... resistance to alkali,acid,salt,heat and abrasionOur bag closing thread application:- Widely used for many brands of bag closing ... machines (Stationary & Portable) - Sewing of multi-wall paper bag, PP woven bag, jute, Gunny, Hessian and Bulk Bag (FIBC), etc ... (Reinforced Material) for making Filter Fabric, Canvas, Ropes, Webbing, Core Thread for Zipper, etc Standard Specification: - NE 20/6 ply, NE ...