... .30D/1F 3.SD 4.Even packing 5.knotless 1.Nylon monifilament yarn,SD2.30d/1f3.even packing4.knotless5.usage:Widely ... , webbing, rope, netting, sewing thread, stockings, PV6.The characteristics of nylon products are high tenacity, high abrasion resistance, high chemical resistant ... ,good anti-aging properties, water resistance and wear proof 100% Nylon 6 monifilament yarn 30D/1F SD