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7042 Zaj duab xis Qib Tsawg Qhov Ncauj Tawm Polyethylene
7042 yog linear low density polyethylene feem ntau siv nyob rau hauv daim ntawv thov cua tshuab.Cov khoom muaj zoo toughness, tensile lub zog thiab siab elongation, raws li zoo raws li puncture kuj tseem ceeb, siab transparency thiab muaj peev xwm los tsim films nrog tsawg kawg nkaus thickness.
