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Qhov twg zoo dua lldpe lossis hdpe?

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Qhov twg zoo dua lldpe lossis hdpe?
Qhov twg zoo dua lldpe lossis hdpe?

Video: Qhov twg zoo dua lldpe lossis hdpe?

Video: Qhov twg zoo dua lldpe lossis hdpe?
Video: mus yuav ib lub thawv rau ntse thiab nplog thauj av ci tuaj rau wb ua tsev dua 2024, Tej zaum
Anonim

Thaum HDPE muaj qhov ua haujlwm zoo dua, LLDPE hloov pauv tau ntau duathiab tuaj yeem ncab tau yooj yim hla kev thaiv. Nrog kev hloov pauv ntau dua, LLDPE tuaj yeem ua tiav rau kev teeb tsa thaj chaw, tsis yog HDPE uas yuav tsum tau ua tiav ntawm qhov chaw.

Puas yog LDPE muaj zog dua HDPE?

LDPE yog softer thiab hloov pauv ntau dua HDPE… HDPE yog nruj thiab ruaj khov thiab muaj tshuaj tiv thaiv ntau dua. Nws cov ntsiab lus melting siab dua (135 ° C) tso cai rau nws tiv taus qhov kub siab tshaj LDPE. Nws cov qauv crystalline ntau kuj ua rau muaj zog ntau dua thiab opacity ntawm cov khoom.

Qhov txawv ntawm HDPE LDPE thiab LLDPE yog dab tsi?

LLDPE (Linear Low Density Polyethylene) muaj cov ceg luv luv…. HDPE (High Density Polyethylene) muaj tsawg kawg nkaus ntawm nws cov 'polymer chains. Vim nws yog denser nws yog nruj dua thiab tsawg permeable ces the LDPE Nws muaj qhov ntom ntawm 0.941-0.965g/cm3

Dab tsi zoo dua HDPE?

Qhov txawv ntawm HDPE thiab UHMW HDPE (siab ntom ntom polyethylene) yog cov khoom siv yas ruaj khov, muaj ntau yam, tus nqi qis, puas- thiab cov khoom siv tshuaj lom neeg. … UHMW (ultra siab molecular yuag polyethylene) yog ib qho tawv heev, puas-resistant, tsis tshua muaj nqi yas, siv rau ntau hom kev siv hnav.

Uhmwpe puas muaj zog dua HDPE?

UHMW kuj tseem muaj kev tiv thaiv zoo rau kev ntxhov siab thiab tawg, thiab cov khoom siv tsis muaj coefficient ntawm kev sib txhuam (UHMW yog nws tus kheej-lubricating). … HDPE (High Density Polyethylene) muaj lub zog tensile qis dua li UHMW Nws muaj tshuaj tiv thaiv zoo heev thiab tsis tshua muaj dej noo.

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