I-polyurethane foam (PU foam) zizinto ezibalulekileyo kumashishini amaninzi, kubandakanya ulwakhiwo, ukwenziwa kweemoto, ukupakisha, kunye nokufakelwa kwe-insulation. Inkqubo yokwenziwa kwe-PU foam ibandakanya ukusabela kwe-polyols kunye ne-isocyanates, kwaye ii-catalysts zilawula izinga lokuphendula, ukuziphatha kwe-foam, kunye ...
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