Isikhwama sangaphakathi sesikhwama esisebhokisini sinesikhwama samafutha esivaliwe kanye nembobo yokugcwalisa ehlelwe esikhwameni samafutha, kanye nedivayisi yokuvala ehlelwe embobo yokugcwalisa; isikhwama samafutha sihlanganisa isikhwama sangaphandle kanye nesikhwama sangaphakathi, isikhwama sangaphakathi senziwe ngezinto ze-PE, kanti isikhwama sangaphandle senziwe nge-nylon kanye ne-PE. Isikhwama sangaphakathi semodeli yokusetshenziswa sakhiwe ngezendlalelo ezimbili: isikhwama sangaphakathi kanye nesikhwama sangaphandle, okuthuthukisa ukuguquguquka kanye nobukhulu besikhwama sangaphakathi, isakhiwo silula futhi sinengqondo.
Olunye uhlobo lwesikhwama sangaphakathi ngokuvamile isikhwama sokupakisha esiguquguqukayo esingacacile, esakhiwe ngezendlalelo ezimbili zezinto ezingahlanganisiwe ohlangothini olulodwa. Isendlalelo sangaphandle siyifilimu ehlanganisiwe, kanti isendlalelo sangaphakathi siyisendlalelo esisodwa se-PE. Izinto ezihlanganisiwe zesendlalelo sangaphandle ngokuvamile yi-PET/AL/PE, NY/EVOH/PE, PET/VMPET/PE, njll.
Ukukhethwa kwalesi sakhiwo esikhethekile kungenxa yokuthi okuqukethwe yiphakethe kuyizinhlayiya ezinoketshezi olunamandla. Uma ungqimba oluthile lwezinto selonakele, kungaba khona ungqimba lwesibili lokuvikela. Ngesikhathi esifanayo, ukuvikelwa kwezingqimba ezimbili zezinto kunganciphisa ukuhamba koketshezi ngesikhathi sokuthuthwa. Kunomphumela omuhle wokuvikela emthelela wezinto zesikhwama sokupakisha.
Isikhathi sokuthunyelwe: Okthoba-10-2022
