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Unsaturated Polyester Resin
Unsaturated polyester resin, inozivikanwawo neChirungu Acronym UPR, imvura inotsikirirwa zviri nyore iyo, kana yangopora (yakabatanidzwa nestyrene, nekushandiswa kwezvimwe zvinhu, organic peroxides, inonzi Hardeners), inochengeta chimiro chakasimba chinotorwa mu mold.The...Verenga zvimwe
