samfurori

Low density polyethylene don busa-molded fim,
Babban darajar LDPE, ldpe don shirya fim,

Ƙananan ƙananan polyethylene (LDPE) shine resin roba ta amfani da tsarin matsa lamba ta hanyar polymerization na ethylene kyauta kuma ana kiransa "polyethylene high-pressure".Tunda sarkar kwayar halittarsa ​​tana da rassa masu tsayi da gajere da yawa, LDPE ba ta da crystalline fiye da polyethylene mai girma (HDPE) kuma yawanta ya ragu.Yana fasalta haske, sassauƙa, juriya mai kyau na daskarewa da juriya mai tasiri.LDPE yana da ƙarfi ta hanyar sinadarai.Yana da kyau juriya ga acid (sai dai karfi oxidizing acid), alkali, gishiri, m lantarki rufi Properties.Yawan shigar tururinsa yayi ƙasa.LDPE yana da babban ruwa mai ƙarfi da ingantaccen tsari.Ya dace da ake amfani da shi a cikin kowane nau'in tsarin sarrafa thermoplastic, kamar allura gyare-gyare, gyare-gyaren extrusion, gyare-gyaren busa, rotomolding, shafi, kumfa, thermoforming, walƙiya mai zafi-jet da walƙiya thermal.

Aikace-aikace

Ana amfani da LDPE musamman don yin fina-finai.An yi amfani da ko'ina a cikin samar da aikin noma fim (mulching fim da zubar film), marufi fim (don amfani a shirya alewa, kayan lambu da kuma daskararre abinci), hura fim ga marufi ruwa (don amfani a marufi madara, soya miya, ruwan 'ya'yan itace,) wake da madarar waken soya), jakunkuna marufi masu nauyi, fim ɗin marufi, fim ɗin marufi, fim ɗin rufi, fim ɗin gini, fim ɗin marufi na masana'antu na gaba ɗaya da jakunkuna na abinci.

Hakanan ana amfani da LDPE sosai a cikin samar da waya & kusoshi na kebul.LDPE mai haɗin giciye shine babban kayan da aka yi amfani da shi a cikin rufin rufin igiyoyi masu ƙarfi.

Hakanan ana amfani da LDPE wajen samar da samfuran allura (kamar furanni na wucin gadi, kayan aikin likitanci, magani da kayan tattara kayan abinci) da bututun da aka ƙera su, faranti, suturar waya & na USB da samfuran filastik.

Hakanan ana amfani da LDPE don yin samfuran fashe-fashe kamar kwantena don riƙe abinci, magani, kayan kwalliya da samfuran sinadarai, da tankuna.

Kunshin, Adana da Sufuri

Zaɓin kayan fim na polyethylene mai ɗorewa

1. Zaɓaɓɓen albarkatun kasa ya kamata a hura fim sa polyethylene guduro barbashi, dauke da dace adadin smoothing wakili,

Tabbatar da bude fim din.

2 resin barbashi melt index (MI) ba zai iya girma da yawa, narke index (MI) yayi girma da yawa, sa'an nan kuma narke guduro

Danko yana da kankanta, kewayon sarrafawa yana da kunkuntar, yanayin sarrafawa yana da wahala a sarrafa shi, kayan aikin fim na resin ba shi da kyau, ba sauki

Gudanarwa cikin fim;Bugu da kari, narke index (MI) yayi girma da yawa, polymer dangi rarraba nauyin kwayoyin halitta yana da kunkuntar, fim na bakin ciki

Talauci ne a cikin ƙarfi.Don haka, ya kamata a zaɓi ƙaramin ma'aunin narkewa (MI) da mafi girman rarraba nauyin kwayoyin halitta

Ba zai iya biyan bukatun aikin fim kawai ba, amma kuma tabbatar da halayen aiki na resin.

Fim ɗin da aka ƙera polyethylene gabaɗaya yana amfani da ma'aunin narkewa (MI) a cikin kewayon 2 ~ 6g / 10min polyethylene

Da albarkatun kasa.