Karamin yawa Fim ɗin Fim ɗin Polyethylene QLT04 QLF39
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
LDPE fim sa ake amfani da principly a samar da hurawa marufi fim, noma fim kuma za a iya blended da mikakke low-yawa polyethylene (LLDPE) don samar da modified PE.Bugu da ƙari, ana iya amfani da shi don fim ɗin marufi mai ɗaukar zafi, fim ɗin laminated, fim ɗin daskarewa, fakitin likitanci, fim ɗin coextrusion multi-layer, fim mai ɗaukar nauyi mai nauyi, suturar bututu, suturar kebul, rufi da babban kumfa mai sinadarai.
LDPE (QLT04/QLF39) shine mai matukar kyau babban marufi na fim albarkatun kasa.
Ma'auni
| Maki | QLT04 | QLF39 | |
| MFR | g/10 min | 3.0 | 0.75 |
| Yawan yawa | 23 ℃, g/cm3 | 0.920 | 0.920 |
| Haze | % | 10 | - |
| Ƙarfin Ƙarfi | MPa | 6 | 6 |
| Tsawaitawa a lokacin hutu | % | 550 | 550 |
Kunshin, Adana da Sufuri
An shirya guduro a cikin jakunkuna na saka polypropylene mai rufi na ciki.Nauyin gidan yanar gizon shine 25Kg/bag.Ya kamata a adana guduro a cikin busasshiyar ma'ajiyar ajiya kuma daga wuta da hasken rana kai tsaye.Bai kamata a tara shi a sararin sama ba.Lokacin sufuri, samfurin bai kamata a fallasa shi ga hasken rana mai ƙarfi ko ruwan sama ba kuma bai kamata a yi jigilar shi tare da yashi, ƙasa, tarkacen karfe, gawayi ko gilashi ba.An haramta jigilar kayayyaki tare da mai guba, abu mai lalacewa da mai ƙonewa.
