Zvishandiso zvakajairika zvehombodo dzepurasitiki: 1. Polyethylene Iyo polyethylene, iyo inoshandiswa zvakanyanya mumabhegi epurasitiki epurasitiki.Chine chiedza uye chiri pachena.Iyo ine mabhenefiti ekwakanakira mwando kuramba, kupikisa oxygen, acid resistance, alkali resistance, kupisa chisimbiso, nezvimwewo, uye haisi...
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