What material is the PE bag? What types of bags can be made?
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- Time of issue:2021-07-21
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(Summary description)Name of PE bag: polyethylene, full English name: polyethylene, PE, short for PE. It is a non-toxic, tasteless, tasteless, moisture-proof, dust-proof, waterproof, anti-oxidation, acid resistant, alkali resistant plastic bag material. It is the most important and the most important material of plastic bags, and it is recognized worldwide as a material in contact with food. Best material...
What material is the PE bag? What types of bags can be made?
(Summary description)Name of PE bag: polyethylene, full English name: polyethylene, PE, short for PE. It is a non-toxic, tasteless, tasteless, moisture-proof, dust-proof, waterproof, anti-oxidation, acid resistant, alkali resistant plastic bag material. It is the most important and the most important material of plastic bags, and it is recognized worldwide as a material in contact with food. Best material...
- Categories:Industry News
- Author:
- Origin:
- Time of issue:2021-07-21
- Views:0
Information
Name of PE bag: polyethylene, full English name: polyethylene, PE, short for PE. It is a non-toxic, tasteless, tasteless, moisture-proof, dust-proof, waterproof, anti-oxidation, acid resistant, alkali resistant plastic bag material. It is the most important and the most important material of plastic bags, and it is recognized worldwide as a material in contact with food. Best material.
PVC Polyvinyl Chloride: PVC is abbreviated as PVC, and its molecular formula is (CH2-CH2) n. It is the most important type of vinyl polymer and the second largest plastic variety in the world after polyethylene.
Shrinkfilm -- Shrink film: It is a thermoplastic film that is stretched and oriented in the production process, and shrinked by hot air treatment or infrared radiation in the use process. After heat treatment, the film is tightly wrapped on the package, with the largest shrinkage force in the cooling stage, which can be stored for a long time.
LDPE low density polyethylene (LDPE for short) is the most widely used variety in the plastic packaging and printing industry in various countries. The specific gravity is 0.92~0.93, which can float on the water surface. The crystallinity is low (60%), and the bulk polymerization is carried out under the pressure of 1000-3000kg/cm2, so it is also called high pressure polyethylene. At 23 ℃, the density is about 0.92. It is applicable to food packaging, fiber product packaging and daily chemical product packaging.
HDPE - High density polyethylene: HDPE for short. It is polymerized at low pressure, so it is also called low pressure polyethylene. It is milky white with poor surface luster. The film can be processed by blow molding and T-die extrusion. Heat resistant cooking, cold and frost resistant, with good moisture-proof, gas proof, insulation performance, not easy to break. The strength is twice that of LDPE. It's easy to talk.
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