Sera ya Polyethylene(PE Wax) ndi sera yopangira, imagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana kuphatikiza zokutira, magulu apamwamba, zomatira zotentha zosungunuka ndi mafakitale apulasitiki.Imadziwika chifukwa cha kawopsedwe kakang'ono, kununkhira bwino, komanso kuyenda bwino komanso kubalalitsidwa kwamitundu ndi zodzaza mu mapulasitiki.
Chotchingira chotchinga misewu cha Hot melt ndicho chotchingira chomwe chimagwiritsidwa ntchito kwambiri pamisewu pano, chifukwa cha malo osagwiritsa ntchito bwino, pali zofunika zambiri pakuyatira panyengo, kukana kuvala, katundu woletsa kuyipitsa komanso mphamvu zama bondi.