... High strength polyester raw yarn chosen as material 2. Specification: 21D / 2, 210D / 3, 210D / 4, 210D / 2X3, 280D / 1, 1. High strength polyester ... raw yarn chosen as material 2. Specification: 21D / 2, 210D / 3, 210D / 4, 210D ... etc. Special packing as required. 4. Low elongation, High strength, Water-resistance, Wear-proof, Properties Resistance to ...