20/2/polyester yarn for sewing thread 1.Original materal 2.Good quality(eg:high strengh,no knots 20/2 100%polyester yarn for sewing thread 1.Color :Raw white2.Material : Raw Material (100% polyester yarn) 3.Polyeste r staple fiber 1.3D*38MM4. Main Technical index: Twist per meter:200-800 TPM Strength:7cn/Dtex Min4.Yarn Type : Spun5.Quanlity: High tenacity , No broken end , no knots , low e- ...