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PE zafi shrinkable ilimin fim

PE zafi shrinkable ilimin fim

Rarraba LDPE zafi shrinkable fim

LDPE zafi shrinkable fina-finai sun kasu kashi biyu Categories: giciye-linked da kuma wadanda ba giciye-linked.Gabaɗaya, masana'antun suna amfani da albarkatun ƙasa tare da MFR na 0.3-1.5g/10min yayin samar da fina-finai masu zafi na LDPE da ba su da alaƙa da giciye.Ƙarƙashin ma'anar narkewa, mafi yawan kayan aiki na shrinkage.Kuma mafi girman ƙarfin juzu'i, mafi dacewa da marufi.Wasu masana'antun suna amfani da maganin radiation wajen samarwa don inganta abubuwa daban-daban na fina-finai masu zafi.
PE zafi shrinkable fim iya saduwa da marufi bukatun na mafi yawan kayayyaki, kuma shi ne mafi yadu amfani zafi shrinkable fim.MI da aka yi amfani da shi na barbashi na LDPE shine 0.3-1.5g/min.Marufi mai ɗaukar nauyi mai ɗaukar fim ko fim ɗin ƙarami tare da buƙatun ƙarfin ƙarfi, yi amfani da barbashin LDPE tare da ƙaramin iyaka na MI, LDPE gyare-gyaren zafin jiki shine 130-180 ℃, pre-sanyi tare da iska mai sanyi ƙasa da 25 ℃, sannan ku kumbura kusa da layin sanyi, da zarar Longitudinal da m mikewa, jimlar mikewa rabo iya isa 15-35, sa'an nan da fim ne quenched a 10-25 ° C zuwa iska ko shrink fim din.Matsakaicin raguwa na gaba ɗaya shine 30% -50%.
Siffofin su ne:
1. Fim ɗin ƙyamar LDPE wanda ba a haɗa shi ba yana da ɗan laushi, yana da juriya mai kyau, kuma yana da wani ƙarfin hawaye;
2. Kyakkyawan ƙarancin zafin jiki;
3. Mai sauƙin sarrafawa da tsari, mai sauƙin zafi jakar hatimi;
4. Babu raguwa a lokacin ajiya.Rage abin rufe fuska don gilashin, tukwane, abinci, kayan gini, sinadarai, pallets, da dai sauransu. Kaurin marufi na haske shine 0.02-0.06mm, kuma kauri mai nauyi da babban fakitin fakitin shine 0.075-0.25mm.

Abubuwan haɓaka fim ɗin LDPE:
1. Bakin fim ɗin kauri shine 0.02-0.05mm, nau'in matsakaici shine 0.05-0.10mm, kuma nau'in kauri shine 0.10-0.15mm;
2. Ƙarfin ƙarfi shine 28-38MPa don nau'in bakin ciki, 20-30MPa don nau'in matsakaici, da 20-28MPa don nau'in kauri;
3. Rage raguwar nau'in bakin ciki shine 55% -65%, matsakaicin nau'in shine 45% -60%, nau'in kauri shine 30% -50%;shrinkage zafin jiki mai wanka ne 110-120 ℃, zafi iska ne 170-180 ℃;
4. Lokacin raguwa shine 5-10s don nau'in bakin ciki da 20-30s don nau'in kauri.
Matsakaicin kauri na fim ɗin ƙyama don marufi ƙasa da 400kg shine 120μm, 800kg yana buƙatar kauri na 150μm, kuma kayan 1200kg suna buƙatar fim ɗin ƙyamar LDPE tare da kauri 200μm.

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Lokacin aikawa: Agusta-09-2022