LDPE塑料|卡塔尔石化|FB3003 挤出吹膜 农膜料
LDPE塑料|卡塔尔石化|FB3003 挤出吹膜 农膜料
产品价格:¥12(人民币)
  • 规格:FB3003
  • 发货地:广东东莞市
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  • 最小起订量:1千克
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    商铺名称:东莞市华韵塑胶原料有限公司

    联系人:郭琳(小姐)

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      LDPE塑料|卡塔尔石化|FB3003 挤出吹膜 农膜料

      供应卡塔尔石化 LDPE 产品如下;
        Lotrène 卡塔尔石化 LDPE FB3003 无添加剂;接触食品的可接受的高耐环境应力开裂 农业应用电缆
        Lotrène 卡塔尔石化 LDPE FB5026 接触食品的可接受的良好的尺寸稳定性 袋;薄膜;工业应用;包装衬垫
        Lotrène 卡塔尔石化 LDPE FD0270 无添加剂;接触食品的可接受的良好的尺寸 袋;薄膜;泡沫材料;包装
        Lotrène 卡塔尔石化 LDPE FD0274 防粘连;接触食品的可接受的; 薄膜材料;食品包装;
        Lotrène 卡塔尔石化 LDPE FD0374 防粘连;接触食品的可接受的; 包装薄膜;
        Lotrène 卡塔尔石化 LDPE FD0474 接触食品的可接受的;良好的加工性能 流延薄膜;薄膜;食品包装;包装
        Lotrène 卡塔尔石化 LDPE FE3000 接触食品的可接受的;高强度;光学 农业应用;袋;工程应用
        Lotrène 卡塔尔石化 LDPE FE8000 无添加剂;接触食品的可接受的高强度 袋;膜材料;包装;包装;
        Lotrène 卡塔尔石化 LDPE FE8004 接触食品的可接受的介质刚度;光学; 袋;膜材料;包装;包装
        Lotrène 卡塔尔石化 LDPE LA0710 无添加剂;接触食品的可接受的良好的粘附 涂层的应用;
        Lotrène 卡塔尔石化 LDPE MG20 接触食品的可接受的;灵活性好;帽子;家居用品
        Lotrène 卡塔尔石化 LDPE MG70 接触食品的可接受的;灵活性好 薄壁零件
        LDPE 卡塔尔石化 FD0474 加工方式:吹塑成型.材料属性:薄膜级.食品接触级.


      By Huayun plastic raw materials Co., Ltd. raw materials agent, low density polyethylene molecular chain has long and short branched chain. Low crystallinity, molecular weight of 50 ~ 50 million, it is a milky white translucent wax solid resin, non-toxic. It can work at 60 ℃ ~ - 80 ℃ and has electrical insulation (especially high-frequency insulation). LDPE has poor mechanical strength, low heat resistance, poor environmental stress cracking resistance, adhesion, adhesion and printability, and needs to be processed on the surface The adhesion and printability can be improved after chemical erosion and corona treatment. Water absorption is very low, almost no water absorption, chemical stability, such as acid, alkali, salt, organic solvents are more stable. It has high permeability to CO2 and organic odor, but poor permeability to water vapor and air. It is easy to burn and looks like paraffin when burning; it is easy to be aged and degraded under sunlight and heat, and changes color from white to yellow to brown, and finally turns black, and its performance decreases or cracks. If a certain amount of antioxidant and ultraviolet absorbent are added, its performance can be improved, and crosslinking under chemical crosslinking agent or high-energy irradiation can improve softening point, temperature resistance, rigidity, solvent resistance, etc.

      According to the types of comonomers, LLDPE can be divided into three types: C4 (butene-1), C6 (Hexene-1) and C8 (octene-1). Among them, butene copolymer is the LLDPE resin with high production, while hexene copolymer is the LLDPE variety with fast growth. In LLDPE resin, the typical amount of comonomer is 5% - 10% by weight, and the average amount is about 7%. Metallocene based LLDPE plasticizers (mLLDPE) have an average comonomer content of more than three times that of conventional LLDPE.

      Linear low density polyethylene (LLDPE) is a copolymer of ethylene and a small amount of higher α - olefins (such as butene-1, Hexene-1, octene-1, tetramethylpenten-1, etc.) by high pressure or low pressure polymerization in the presence of catalyst. The density is between 0.915 and 0.940 g / cm3. However, according to ASTM d-1248-84, the density range of 0.926-0.940 g / cm3 is medium density polyethylene (MDPE). The new generation LLDPE has expanded its density to plastic (0.890-0.915 g / cm3) and elastomer (< 0.890 g / cm3). However, the American Plastics Industry Association (SPI) and the American Plastics Industry Council (APC) only extended the scope of LLDPE to plastids, excluding elastomers. In the 1980s, Union Carbide and Dow chemical called their early plastic and elastomer resins very low density polyethylene (VLDPE) and ultra low density polyethylene (ULDPE).

      The molecular structure of conventional LLDPE is characterized by its linear main chain, with little or no long branches, but some short branches. The absence of long branched chains makes the polymer more crystalline.

      Generally, LLDPE resins are characterized by density and melt index. Density is determined by polymer

      Low density polyethylene (LDPE) is suitable for various molding processes of thermoplastic molding. It has good molding processability, such as injection molding, extrusion, blow molding, rotary molding, coating, foaming process, thermoforming, hot air welding, hot welding, etc. LDPE is mainly used for film products, such as agricultural film, ground covering film, agricultural film, vegetable greenhouse film, etc.; packaging film such as candy, vegetables, frozen food, etc.; liquid packaging film (milk, soy sauce, juice). The main products are: bean curd, soybean milk; heavy packaging bag, shrink packaging film, elastic film, lining film; construction film, general industrial packaging film and food bag. LDPE is also used for injection molding products, such as small containers, lids, daily products, plastic flowers, injection stretch blow molding containers. Medical appliances, medicine and food packaging materials, extruded pipes, plates, wire and cable cladding, profiled materials, thermoforming and other products; blow molding hollow molding products, such as food containers, dairy products and jam, cosmetics, chemical products containers, tanks and so on.

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