Quality

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 film and sheeting
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 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 Luminous 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 the 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 surface resistance of an aluminium layer (manufacturer’s internal standard)
TE 4570 Determination of surface weight of laminate and sheeting (manufacturer’s internal standard)