PE film is made from LLDPE resin with transparent color, commonly known as chit film. PE film is mainly used in pallet wrapping, fixing of goods, and used in packaging industry.
PE film is also known as Chit film or Pallet wrap. This is a membrane produced from primary PE (Polyethylene) plastic with the molecular structure of the particle is a type of organic compound with ethylene groups linked together by hydrogen saturation bonds.
Production methods:
The popular method of PE film production is the extrusion method. First, the PE plastic particles are put into the extruder, the machine has a flat head or is made from a round head mold, the plastic particles will be transferred in the extruder and heated to make the molten plastic, then the plastic will be passed through the mold head , it is then passed through the mold, and cooled and then rolled in.
In the process of passing the profile, it is possible to adjust the thin film thickness by the rate of expansion.
Transparent color, slightly translucent, flexible, non-conductive and non-conductive, waterproof, grease-proof, dust-proof, waterproof to O2, CO2, NO2 ... Tg -100 ° C glass temperature and Tm ≈ 120 ° C melting point.
PE film has the chemical properties of saturated Hydrocarbon as inactivity with acids, controls, potassium permanganate, water Br. Colorless, odorless, inert to all solvents at room temperature. At high temperature, PE dissolves poorly in solvents such as: xylene, amilacetate, trichlorethylene, pine oil, mineral oil ... but still not dissolved in water and fatty alcohols, actons, ethyl esters, glycerin ...
High elasticity up to 300%, good adhesion.
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