Raw White, Dope Dyed Black and Optical White Polyester Spun Yarn 20s/2,20s/3,40s/2,42s/2,45s/2, 50s/2,60s/3 

100% Polyester,High Strength, High Tenacity,OEKO-TEX 100 Fiber, Eco-Friendly

 1. Good color fastness:
     color fastness to washing and rubbing is grade 4-5

 2. No color difference between different batch:
     DE value of computer color matching ≤1.0

 3. Resistance to ironing:
    color fastness to heat and pressure bonding 150 degrees in 30S, 4~5 grades

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