EXAMINE THIS REPORT ON SPANDEX YARN MANUFACTURERS IN INDIA

The vital aspect of such molecules is that they are extended and flexible. This Element of the spandex fiber is answerable for its stretching characteristic. One other pre-polymer applied to create spandex is really a polymeric di-isocyanate. This is a shorter chain polymer, that has an isocyanate (-NCO) group on both of those finishes. The princip