1. Mgbe a na-eji ya na resins polyester na-adịghị mma, ọ nwere ihe ndị na-ekpo ọkụ na-ekpo ọkụ ka mma, okpomọkụ dị elu, ịdị nro, ihe ọkụkụ dị elu, nkwụsị nke corrosion na ike ígwè karịa resins nke phthalic anhydride na tetrahydrophthalic anhydride. .
2. Onye na-agwọ ọrịa maka resin epoxy, nke kwesịrị ekwesị maka nkedo, lamination, ịkpụzi ntụ ntụ, wdg. Ngwaahịa a gwọrọ nwere ọmarịcha ihu igwe na-eguzogide ihu igwe, nkwụsị ọkụ na ọkụ eletrik.
3. Maka resin alkyd, urea-formaldehyde resin;