-
Umlando we-Polyurethane(PU) impahla kanye nemikhiqizo
Yasungulwa nguMnu. Wurtz & Mr. Hofmann ngo-1849, eyathuthukiswa ngo-1957, i-Polyurethane yaba into esetshenziswa ezimbonini eziningi ezahlukene. Ukusuka endizeni emkhathini kuya embonini nasezolimo. Ngenxa yokugqama kokuthambile, okunemibala, ukunwebeka okuphezulu, ukumelana ne-hydrolyze, ukubanda nokushisayo...Funda kabanzi
