Unsaturated polyester resin bụ otu n'ime resins thermosetting a na-ejikarị arụ ọrụ nke ọma.Enwere ike ịgwọ ya na ọnụ ụlọ okpomọkụ ma na-akpụzi ya n'okpuru nrụgide nkịtị, na-arụ ọrụ na-agbanwe agbanwe, karịsịa maka mmepụta nnukwu na saịtị nke ngwaahịa FRP.Mgbe a gwọchara ya, resin ahụ nwere arụmọrụ n'ozuzu ya nke ọma, ndenye arụmọrụ n'ibu dị ntakịrị ala karịa resin epoxy, mana ọ dị mma karịa resin phenolic.Nguzogide corrosion, ihe ọkụ eletrik na ire ọkụ site na ịhọrọ ọkwa resin kwesịrị ekwesị iji mezuo ihe achọrọ nke agba ọkụ resin, enwere ike ịme ka ọ bụrụ ngwaahịa doro anya.Enwere ọtụtụ ụdị, nke a na-emegharị n'ọtụtụ ebe, ọnụ ahịa ya dịkwa ala.