The difference between sewing thread 60S/3 and 402
Sewing threads 60S/3 and 402 are two different types of sewing threads that have some differences in certain aspects.
FDY、POY、DTY、ATY， Can you distinguish these long threads clearly?
FULL DRAW YARN Full Stretch Silk (referred to as Full Stretch Long Silk in Taiwan).
What is the material of high-strength polyester thread
Polyester high-strength thread is a synthetic fiber material.