Umgangatho ophezulu osemgangathweni we-polyester upoder ye-finberglass
"I-polyester" yiklasi ye-polymer equlathe imikhwa emi-Ester eyahlula-hlulwa i-resions efana ne-phenolin ne-epossaxy iphinda isebenze. Le prolymer Compound iveliswa yindlela yokusabela phakathi kwe-Pibasic Acid kunye ne-Delysic Bullter, kwaye xa le nto i-polymer ephindiweyo iqulathe i-polymer enobukrelekrele (i-styrene) ye-polymer enesiporho (i-styrene).
Le polyester engotshisiweyo inyibilikisiwe kwi-monomer (ihlala i-styrene) enokwazi ukwenza i-polymerise, kwaye xa iba sisiseko se-viscous, i-Polyester engenasiphelo (i-polyer) ye-pollin)
I-Pontuin engonwabisiyo inokuthi ke ichazwe njenge-viscous flousic acid ye-dibasic acid okanye i-dibasic utywala obune-ribasmer enobuqili kwi-monomer (ihlala i-styrene). I-Polyester engonwabisiyo, eyenza iipesenti ezingama-75 zokuyisebenzisa yonke imihla.