Umkhiqizi womshini wokufafaza we-polyurethane/i-polyurea, imishini ifanele ukugqumisa okushisayo, ukungangeni kwamanzi, ukubola, ukuthululwa, njll. Ukufafaza kwe-polyurethane kudinga ukwenziwa ezindaweni eziningi.Cishe abantu abaningi bayibonile inqubo yokwakha yokufuthwa kwe-polyurethane, kodwa ...
Funda kabanzi