TESTS

The films are tested in accordance with applicable standards:

  • ČSN 77 0332 Testing of sheet materials. Determination of water-vapour transmission rate – dish method
  • ČSN EN ISO 527-1 Plastics – Determination of tensile properties – Part 1: General principles
  • ČSN EN ISO 527-3 Plastics – Determination of tensile properties – Part 3: Test conditions for films and sheets
  • ČSN EN ISO 1183-2 Plastics – Methods for determining the density of non-cellular plastics – Part 2: Density gradient column method
  • ČSN EN ISO 8295 Plastics – Film and sheeting – Determination of the coefficients of friction
  • ČSN EN ISO 15106-1 Plastics – Film and sheeting – Determination of the water vapour transmission rate – Part 1: Humidity detection sensor method
  • ČSN EN 60674-3-2 Plastic films for electrical purposes – Part 3: Specification for individual materials – Sheet 2: Requirements for balanced biaxially oriented polyethylene terephthalate (PET) films used for electrical insulation ČSN EN ISO 105-J03 Textiles – Tests for colour fastness – Part J03: Calculation of colour differences
  • ISO 4593 Plastics – Film and sheeting – Determination of thickness by mechanical scanning
  • ASTM D523 Standard Test Method for Specular Gloss
  • ASTM D1003 Standard Test Method for Haze and Luminious Transmittance of Transparent Plastic
  • ASTM D1204 Standard Test Method for Linear Dimensional Changes of Nonrigid Thermoplastic Sheeting or Film at Elevated Temperature
  • ASTM D2578 Standard Test Metod for Wetting Tension of Polyethylene and Polypropylene Films
  • ASTM D3985 Standard Test Method for Oxygen Gas Transmission Rate Through Plastic Film and Sheeting Using a Coulometric Sensor
  • TE 4522 Determination of deposit weight and uniformity (manufacturer’s internal standard)
  • TE 4524 Determination of Al layer surface resistance
    (manufacturer’s internal standard)
  • TE 4570 Determination of basis weight of laminates and sheets (manufacturer’s internal standard)