Some of the greatest discoveries and inventions originated from some extremely ordinary observations. Swiss inventor George was inspired by grass seeds he picked up while going for a walk. He used polyester monofilament yarn to make hook and loop fasteners, which are used in clothing accessories and......
Read MoreAfter twisting the warp and weft yarns, such polyester yarn is the raw material for high-quality woven labels. There are hundreds of colors of weft yarns, and the commonly used specifications are 150D 48F. To identify the quality of DTY produced, one must observe the strength, elongation, and The cr......
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