-
Polyester resin na-adịghị mma
Resin polyester na-adịghị mma, nke Bekee acronym UPR makwaara, bụ polymer mmiri a na-ebipụta ngwa ngwa nke, ozugbo a gwọchara ya (cross-linked with styrene, site na iji ihe ụfọdụ, organic peroxides, nke aha ya bụ harddeners), na-edobe ọdịdị siri ike ewere na ebu.Ihe...GỤKWUO
