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Classification Of Polyester Film Construction Technology

Jul 08, 2017

    Polyester film is a polymer plastic film, because of its comprehensive performance is more and more favored by the vast number of consumers. Because the production and technical level of our country still cannot meet the demand of the market, some still depend on import. Usually colorless transparent, shiny film (now added additive particles to make it color), excellent mechanical properties, rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature and low temperature, chemical resistance, oil resistance, gas tightness and Paushan are good, which are commonly used as one of the permeable composite film substrates, but the corona resistance is not good.Polyester Film
    The price of polyester film is higher, the thickness is generally 0.012mm, commonly used to cook the outer layer of packaging materials, good printing. Because of the complexity of polyester film and difficult to judge, to the customs supervision brings many difficulties. Two-way Tensile polyester film (abbreviated BOPET), is the use of light material (also known as a large amount of light material, that is, in raw materials polyester chip titanium dioxide content of 0.1% [1], after drying, melting, extrusion, casting and vertical and horizontal stretch of high-grade film, widely used). boPET film is characterized by high strength, good rigidity, transparency and high gloss, no smell, tasteless, colorless, non-toxic, prominent strong toughness, the tensile strength is PC membrane, nylon film 3 times times, the impact strength is Bopp film 3-5 times, have excellent wear resistance, folding resistance, pinhole resistance and tear resistance, etc., heat shrinkage is very small, under 120 ℃, 15 minutes after the contraction of only 1.25%; with good antistatic, easy to carry out the vacuum aluminized, can be coated PVDC, So as to improve its thermal seal, barrier and printing adhesion; boPET also has good heat resistance, excellent retort, low temperature freezing, good oil resistance and chemical resistance.Polyester Film
     One-way Stretch polyester film (abbreviated as Cpet), is using half extinction material (raw materials polyester chips added titanium dioxide), after drying, melting, extrusion, casting and longitudinal tensile film, in the polyester film grade and the lowest price, mainly for drug tablets packaging. Because the use of less, manufacturers less large-scale production, about 5% of the polyester film field, our enterprises are also less import, standard thickness has 150μm.Polyester Film