I-polyurethane foam (PU foam) iyinto ebalulekile ezimbonini eziningi, okuhlanganisa ukwakhiwa, ukukhiqizwa kwezimoto, ukupakisha, kanye nokufakwa kokushisa. Inqubo yokwakheka kwe-PU foam ihilela ukusabela kwama-polyols ane-isocyanates, futhi ama-catalysts alawula izinga lokusabela, ukuziphatha kwe-foam, kanye ...
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