SPANDEX YARN SUPPLIERS IN INDIA FOR DUMMIES

Chemical route to polyurethane polymer Utilized in manufacture of spandex. Spandex is especially composed of a polyurea derived in the response of the diol and a diisocyanate. Two classes of spandex are outlined because of the "macrodiols". One class of macrodiols may be the oligomer generated from tetrahydrofuran (i.Double covered yarn includes a