... corrosion resistance, high bending strength, good toughness,etc. 1) Composition: 100%meta-aramid.2) Counts: Ne5s, Ne10s, Ne18s, Ne20s, Ne24s, ... Ne30s, Ne36s, Ne40s, Ne50s, Ne60s, etc. (single yarn and ply yarn)3) Color: black. 4) It has outstanding flame retardant ... and various protective clothing.6) Certificate: flame retardant certificate,oeko-tex standard 100 II, etc. 100% meta aramid yarn