5 TIPS ABOUT SPANDEX YARN COMPOSITION YOU CAN USE TODAY

The significant element of those molecules is that they are long and versatile. This Component of the spandex fiber is chargeable for its stretching attribute. Another pre-polymer utilized to supply spandex is usually a polymeric di-isocyanate. This is a shorter chain polymer, which has an isocyanate (-NCO) group on equally finishes. The principal