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What material is the PE bag? What type of packaging bag can be made?

What material is the PE bag? What type of packaging bag can be made?

  • Categories:Industry news
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  • Time of issue:2021-07-21
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(Summary description)PE bag name: polyethylene, full English name:

What material is the PE bag? What type of packaging bag can be made?

(Summary description)PE bag name: polyethylene, full English name:

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-07-21
  • Views:0
Information
PE bag name: polyethylene, full English name: Polyethylene, PE, PE for short. It is a non-toxic, tasteless, odorless, moisture-proof, dust-proof, waterproof, anti-oxidant, acid-proof, alkali-proof, plastic bag material. It is the most important and most important material for plastic bags, and it is recognized in the world for food contact. The best material.
 
PVC-Polyvinyl Chloride: Polyvinyl chloride is referred to 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 kind of thermoplastic film that is stretched and oriented during the production process, and shrinks when it is subjected to hot air treatment or infrared radiation during use. After heat treatment, the film is tightly wrapped on the packaging, the shrinkage force reaches the maximum during the cooling stage, and can be stored for a long time.
 
LDPE-Low Density Polyethylene: LDPE for short is the most used variety in the plastic packaging and printing industry in various countries. The specific gravity is 0.92~0.93, and it can float on water. Low crystallinity (60%), bulk polymerization is carried out at a pressure of 1000~3000kg/cm2, so it is also called high pressure polyethylene. At 23 degrees Celsius, the density is around 0.92. Suitable for food packaging, fiber product packaging, and daily chemical products packaging.
 
HDPE-high density polyethylene: referred to as HDPE. It is polymerized by low pressure, so it is also called low pressure polyethylene. It is milky white with poor surface gloss. The film can be processed by blow molding method and T die extrusion process. It is heat-resistant and steam-boiled, cold-resistant and freeze-resistant, has good moisture-proof, gas-proof, and insulating properties, and is not easy to break. The strength is twice that of LDPE. Very easy to speak.

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