TOP GUIDELINES OF SPANDEX YARN PRICE PER KG

The significant attribute of those molecules is that they are extensive and versatile. This Portion of the spandex fiber is liable for its stretching characteristic. The opposite pre-polymer utilised to provide spandex is a polymeric di-isocyanate. This is the shorter chain polymer, that has an isocyanate (-NCO) group on both of those finishes. The