LDPE 齊魯(lu)石化 2102TN26 低密度高壓聚乙烯

低密度(du)(du)(du)聚乙烯為乳白色圓珠(zhu)形顆粒。無毒、無味、無臭，表面無光澤。密度(du)(du)(du)為0.916~0.930g/cm3。性(xing)(xing)質較柔軟(ruan)，具有良好的延伸性(xing)(xing)、電絕緣性(xing)(xing)、化學(xue)穩定(ding)性(xing)(xing)、加(jia)工性(xing)(xing)能和(he)耐低溫(wen)性(xing)(xing)（可耐-70℃），但機械強度(du)(du)(du)、隔(ge)濕性(xing)(xing)、隔(ge)氣性(xing)(xing)和(he)耐溶劑性(xing)(xing)較差(cha)。分子結(jie)(jie)構不夠規整(zheng)，結(jie)(jie)晶度(du)(du)(du)（55%~65%）低，結(jie)(jie)晶熔點（108~126℃）也較低。

適宜于制(zhi)薄膜、重(zhong)包裝(zhuang)膜、電纜(lan)絕(jue)緣層材料、吹(chui)注塑及發泡制(zhi)品(pin)。

石油(you)工(gong)(gong)(gong)業(ye)上所(suo)稱的低密度聚乙烯(xi)(即高壓(ya)聚乙烯(xi))是一(yi)(yi)種塑(su)(su)料(liao)材料(liao)，他適(shi)合熱(re)塑(su)(su)性成(cheng)(cheng)型(xing)(xing)(xing)加工(gong)(gong)(gong)的各(ge)種成(cheng)(cheng)型(xing)(xing)(xing)工(gong)(gong)(gong)藝．成(cheng)(cheng)型(xing)(xing)(xing)加工(gong)(gong)(gong)性好(hao)， 如(ru)(ru)注(zhu)塑(su)(su)、擠(ji)塑(su)(su)、吹(chui)(chui)塑(su)(su)、旋轉成(cheng)(cheng)型(xing)(xing)(xing)、涂覆(fu)(fu)(fu)、發泡(pao)工(gong)(gong)(gong)藝、熱(re)成(cheng)(cheng)型(xing)(xing)(xing)、熱(re)風焊、熱(re)焊接等(deng)(deng)。 LDPE主要用(yong)(yong)(yong)途是作薄(bo)膜產品(pin)(pin)(pin)(pin)，如(ru)(ru)農業(ye)用(yong)(yong)(yong)薄(bo)膜、地(di)面覆(fu)(fu)(fu)蓋(gai)薄(bo)膜、農膜、蔬菜大 棚(peng)膜等(deng)(deng)；包裝(zhuang)(zhuang)用(yong)(yong)(yong)膜如(ru)(ru)糖果(guo)、蔬菜、冷凍食(shi)(shi)品(pin)(pin)(pin)(pin)等(deng)(deng)包裝(zhuang)(zhuang)；液(ye)體包裝(zhuang)(zhuang)用(yong)(yong)(yong)吹(chui)(chui)塑(su)(su)薄(bo)膜（牛奶、 醬(jiang)油(you)、果(guo)汁(zhi)。豆(dou)腐(fu)、豆(dou)奶）；重包裝(zhuang)(zhuang)袋，收縮(suo)包裝(zhuang)(zhuang)薄(bo)膜，彈性薄(bo)膜，內襯薄(bo)膜；建筑(zhu)用(yong)(yong)(yong)薄(bo)膜，一(yi)(yi)般工(gong)(gong)(gong)業(ye)包裝(zhuang)(zhuang)薄(bo)膜和(he)食(shi)(shi)品(pin)(pin)(pin)(pin)袋等(deng)(deng)。 LDPE還用(yong)(yong)(yong)于注(zhu)塑(su)(su)制(zhi)品(pin)(pin)(pin)(pin)，如(ru)(ru)小型(xing)(xing)(xing)容(rong)器(qi)(qi)(qi)、蓋(gai)子、日用(yong)(yong)(yong)制(zhi)品(pin)(pin)(pin)(pin)、塑(su)(su)料(liao)花、注(zhu)塑(su)(su)一(yi)(yi)拉(la)伸一(yi)(yi)吹(chui)(chui) 塑(su)(su)容(rong)器(qi)(qi)(qi)。醫療器(qi)(qi)(qi)具，藥品(pin)(pin)(pin)(pin)和(he)食(shi)(shi)品(pin)(pin)(pin)(pin)包裝(zhuang)(zhuang)材料(liao)、擠(ji)塑(su)(su)的管(guan)材、板(ban)材，電(dian)線電(dian)纜包覆(fu)(fu)(fu)，異型(xing)(xing)(xing)材、熱(re)成(cheng)(cheng)型(xing)(xing)(xing)等(deng)(deng)制(zhi)品(pin)(pin)(pin)(pin)；吹(chui)(chui)塑(su)(su)中空成(cheng)(cheng)型(xing)(xing)(xing)制(zhi)品(pin)(pin)(pin)(pin)，如(ru)(ru)食(shi)(shi)品(pin)(pin)(pin)(pin)容(rong)器(qi)(qi)(qi)有奶制(zhi)品(pin)(pin)(pin)(pin)和(he)果(guo)醬(jiang)類，藥物(wu)、化妝品(pin)(pin)(pin)(pin)、化工(gong)(gong)(gong)產品(pin)(pin)(pin)(pin)容(rong)器(qi)(qi)(qi)、槽罐(guan)等(deng)(deng)。