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Unsaturated Polyester Resin
Unsaturated polyester resin, tseem paub los ntawm cov lus Askiv acronym UPR, yog ib qho yooj yim luam tawm kua polymer uas, ib zaug kho (cross-txuas nrog styrene, los ntawm kev siv cov tshuaj tshwj xeeb, organic peroxides, hu ua hardeners), khaws cov khoom zoo nyob rau hauv lub pwm.Cov...Nyeem ntxiv
