SPANDEX YARN SUPPLIERS IN INDIA FOR DUMMIES

Chemical route to polyurethane polymer Employed in manufacture of spandex. Spandex is mainly composed of a polyurea derived from the response of a diol as well as a diisocyanate. Two classes of spandex are outlined by the "macrodiols". Just one class of macrodiols is definitely the oligomer made from tetrahydrofuran (i.Also, They may be convenientl