Nws muab cov txiaj ntsig zoo ntawm PP-R yeeb nkab thiab cov yeeb nkab hlau nrog cov khoom noj khoom haus, kev tiv thaiv corrosion, sealing ntawm PP-R yeeb nkab thiab rigidity ntawm cov yeeb nkab hlau, yog li nws muaj zog dua thiab zoo dua kub, thiab tuaj yeem siv dav hauv dej kub. , tshwj xeeb tshaj yog nyob rau hauv lub tshav kub kub radiator cua sov thiab central cua txias.