THE BASIC PRINCIPLES OF SPANDEX YARN MANUFACTURERS IN INDIA

The vital element of those molecules is that they are long and versatile. This Component of the spandex fiber is to blame for its stretching characteristic. The other pre-polymer used to make spandex is usually a polymeric di-isocyanate. This is the shorter chain polymer, that has an isocyanate (-NCO) group on both finishes. The principal character