191 polyester unsaturated resin ni resin ikoreshwa cyane mu buryo bwa sintetike ifite imiterere myiza kandi ihamye mu buvuzi ikoreshwa cyane mu bwubatsi, imodoka, amazi yo mu mazi, ibikoresho by'ikoranabuhanga, ibikoresho byo mu nzu n'ibindi.
191 polyester resin idafite amazi ikorwa binyuze mu buryo bwa polymerisation bwa aside idafite amazi, alcool na diluent hamwe n'ibindi bikoresho fatizo. Ifite ubushobozi bwo gutemba neza no gushonga neza, kandi ishobora gutunganywa mu buryo butandukanye bw'ibicuruzwa binyuze mu gushushanya, gushushanya mu nganda, gutera imiti n'izindi nzira. Muri icyo gihe, inarwanya ingese neza, irwanya ubushyuhe n'imihindagurikire y'ikirere, ishobora gukoreshwa mu bidukikije bikomeye igihe kirekire.
Mu rwego rw'ubwubatsi, resine ya polyester idafite amazi 191 ikoreshwa cyane mu gukora ibikoresho bya FRP, nk'ibigega by'amazi, ibigega byo kubikamo n'imiyoboro. Ibi bicuruzwa bifite imiterere yoroheje, ikomeye cyane, idahura n'ingufu, nibindi, kandi bishobora guhaza ibyifuzo by'inyubako mu bidukikije bitandukanye. Mu rwego rw'imodoka n'amato, resine ya polyvinyl acetate idafite amazi 191 ikoreshwa mu gukora umubiri, igice cy'umubiri n'ibindi bice. Ibi bice ni ibyoroheje, bikomeye cyane, birwanya ingufu, nibindi, kandi bishobora kunoza imikorere n'ubuzima bw'imodoka n'amato.
Mu bijyanye n'ibikoresho by'ikoranabuhanga n'ibikoresho byo mu nzu, amaresini 191 ya polyester adafite ubushyuhe akoreshwa mu gukora amakobo, amapaneri n'ibindi bice. Ibi bice bifite ubushyuhe bwiza kandi birwanya kwangirika, bishobora kunoza imiterere n'ubuzima bw'ibicuruzwa.
Resin ya polyester idafite amavuta 191 ni resin nziza cyane ikoze mu buryo bwa sintetike ifite amahirwe menshi yo kuyikoresha. Bitewe n'iterambere rihoraho rya siyansi n'ikoranabuhanga ndetse no kwaguka kw'ibikoreshwa mu buryo buhoraho, izakoreshwa mu bindi bice byinshi.