Polyurethane (PU), izina ryayo ryuzuye ni polyurethane, ni polymer.Yakozwe na Otto Bayer nabandi mu 1937. Polyurethane ifite ibyiciro bibiri: ubwoko bwa polyester nubwoko bwa polyether.Birashobora gukorwa muri plastiki ya polyurethane (cyane cyane ifuro), fibre polyurethane ...
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