samfurori

Low density polyethylene,
Low density polyethylene amfani da fim,

Low-density polyethylene (LDPE) shi ne guduro roba ta amfani da babban matsi tsari ta hanyar free radical polymerization na ethylene sabili da haka kuma ana kiransa "high-matsi polyethylene".Ƙananan matsa lamba polyethylene mara wari, mara daɗi, farin barbashi mara guba ko foda.Matsayin narkewa shine 131 ℃.Yawaita 0.910-0.925 g/cm³.Matsayin laushi 120-125 ℃.Embrittlement zafin jiki -70 ℃.Matsakaicin zafin aiki 100 ℃.Tare da kyakkyawan juriya na zafi, juriya sanyi, juriya da juriya da kaddarorin dielectric, kwanciyar hankali sunadarai.Kusan wanda ba a iya narkewa a cikin kowane kaushi na halitta a zafin jiki.Za a iya jure wa lalata na daban-daban acid da alkali da daban-daban gishiri mafita.Ana amfani da polyethylene mai ƙarancin ƙarfi a cikin masana'antar harhada magunguna da sinadarai don yin samfuran mara kyau, kamar ganga, kwalabe da tankunan ajiya.Masana'antar abinci suna amfani da shi don yin kwantena na marufi.Ana amfani da masana'antar injin don yin sutura, hannaye, ƙafafun hannu da sauran sassan injin gabaɗaya, kuma ana amfani da masana'antar takarda don yin takarda ta roba.

Siffar

Aikace-aikace

LDPE (2102TN000) abu ne mai kyau na extrusion film abu, yafi dace da samar da nauyi marufi fim, zubar fim, zafi shrinkable marufi fim da sauransu.

Ma'auni

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.

Ƙananan ƙarancin polyethylene, ko LDPE, ana siffanta shi da sarƙoƙi masu rassa sosai tare da bazuwar, dogon reshe.LDPE yana da yawa daga .910 zuwa .935 grams a kowace centimita cubic (g/cc).

Lokacin da ya zo ga amfani da shi a cikin fina-finai na filastik, resins na LDPE suna ba da karɓuwa mai ƙarfi, sassauci, na gani, da iyawa.Duk da yake baya da ƙarfi kamar resin LLDPE, LDPE yana ba da kyawawan kaddarorin raguwa.