... 100D, 120D,150D, 210D, 250D, 420D 3) feature: high tenacity high tenacity nylon yarn nylon 6 filament yarn has excellent break ... of tenacity, high strength,low shrinkage, perfect glossy and good abrasion ... : for production bonded thread for sewing high-class shoes, bags, leather, safety-belt. High-Tenacity Nylon YarnLinear DensityNo.of FilamentBreaking Tenacity ...