Masana'antun jakar siminti suna nazarin takamaiman aikin halayen gama gari na jakunkuna masu sakar filastik 1, nauyi mai nauyi Filastik gabaɗaya suna da haske, kuma yawan ƙwayar filastik kusan 0, 9-0, 98 g/cm3. Polypropylene braid da aka saba amfani dashi. Idan ba a ƙara filler ba, daidai yake da ...
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