... markets; 2.The specialized after-sale service is helpful for your production. THE PROPERTIESColoration before ... filament, high yield in the spinning process. Every item of quality index is stable, so these ... to weathering, insolation and washing, the color is steady in hi-temperature, no cross color, no transference, ... Viscosity (IV) of the chips;The chips is bright or dull, semi-dull;The performance and ...