Popanga polyethylene, mafuta ochepa a oligomer amapangidwa, ndiye kuti, polyethylene yotsika kwambiri ya molekyulu, yomwe imadziwikanso kuti sera ya polima, kapena sera ya polyethylene mwachidule.Sera ya polima ndi yopanda poizoni, yosakoma, yosawononga, yoyera kapena yachikasu pang'ono yokhala ndi rel ...
Werengani zambiri