... ,acid,salt,heat and abrasion Our bag closing thread application:- Widely used for many brands of bag ... ) for making Filter Fabric, Canvas, Ropes, Webbing, Core Thread for Zipper, etc Standard Specification: - NE 20/6 ply ... , NE 12/4 ply, NE 12/5 ply, NE 10/5 ply, etc - ... kg weight C) Other length or weight of thread are also available upon request Colors available In: ...