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FILM DESCRIPTION

Two sides heat sealable one side treated coextruded biaxially oriented polypropylene pearlized film, suitable for:

  • Rotogravure and flexographic printing.

  • Lamination with other films.

  • Horizontal and vertical packaging      machines (HFFS – VFFS).

  • General over wrapping purposes.

  •  

    CHARACTERISTICS

  • Pearlescent appearance.

  • Low density and high yield.

  • Good protection against light.

  • Excellent ink adhesion on treated side.

  • Two sides heat sealable with excellent hot      tack.

  • Suitable for cold seal applications.

  • Barrier to moisture, odours and gases.

  •  

    APPLICATIONS

  • Food packaging (ice cream, snacks,      chocolate, biscuit and confectionary).

  • Non – food packaging (soaps).

  • Gift overwrapping.

  • Properties unit Test method Tolerance Typical value

    Thickness

    micron

    -- ±4%   30 35 40 50  

    Yield

    m²/ kgm -- ±4%   47.62 40.81 35.71 28.57  
    Unit weight gm/m² -- ±4%   21 24.5 28 35  

    Tensile strength

    MD
    TD
    N/mm² ASTM D 882

    Min.

    Min.

      60 60 60 60  
      130 130 130 130  

    Breaking elongation

    MD
    TD
    % ASTM D 882

    ± 20

    ± 10

      135 135 135 135  
      30 30 30 30  

    Modulus of elasticity

    MD
    TD
    N/mm² ASTM D 882

    Min.

    Min.

      1000 1000 1000 1000  
      1700 1700 1700 1700  

    Heat
    shrinkage

    MD
    TD
    % In air, in oven
    For 5 min.
    At 130 ºC

    Max.

    Max.

      4 4 4 4  
      2 2 2 2  
    Optical
    density
    % Tobias Denstiometer

    Min.

      0.45 0.48 0.5 0.53  
    Gloss G.U. ASTM D 2457

    Min.

      40 40 40 40  
    Coefficient of friction -- ASTM D 1894

    ± 0.05

      0.4 0.4 0.4 0.4  
    Water vapour permeability g/m².24 hrs
    at 38 ºC
    90% RH
    ASTM E
    96-66
    BS 3177

    Max.

      6.2 5.2 4.7 4.3  
    Oxygen permeability

    cc/m². 24hrs Bar, at 23ºC,
    0% RH

    ASTM D
    1434
    Bs 2782 –
    514 A

    Max.

      1800 1550 1400 1300  
    Heat seal range ºC OPMA Method

    --

      120-145 120- 145 120-145 120-145  
    Denisty Kgm/m³ ASTM D 1505

    ± 0.05

      0.7 0.7 0.7 0.7  
     
     
     

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