Aramid sewing thread for firefighting clothing 1.Ne203,303,403 2.200g per cone 3.various colors 4.similar to NOMEX,EN469 Aramid sewing thread for firefighting clothingDescriptions: 1) Composition: 100%meta-aramid.2) Specification: Ne203, 303,403 ,402etc.3) Color: black,blue,yellow,khaki,etc. 4) It has outstanding flame retardant property and will not melt in high temperature of 220'C for ten ...