Vapour permeability testing
Vapour permeability is measured on Mocon and Lyssy equipment:
TESTS
The products are subjected to tests of the following properties:
- Dimensions
- Role width and diameter are measured in accordance with PN 4524/96 (manufacturer’s internal standard).
- Tensile strength at break, elongation at break, stress at elongation
- In accordance with ČSN EN ISO 527-1 and ČSN EN ISO 527-3; jaw travel speed of tensile-testing machine : 100 mm.min-1, test specimen: type 2.
- In accordance with ASTM D 882.
- Base weight
- In accordance with ČSN EN ISO 2286-2 or ASTM E 252.
- Vapour permeability
- In accordance with ČSN EN ISO 15106-1, LYSSY apparatus.
- In accordance with WSP 70.6 part 2, LYSSY apparatus.
- In accordance with WSP 70.4, Mocon apparatus.
- Resistance to water column
- In accordance with ČSN EN 20811.
- Dimensional fastnes
- In accordance with ČSN EN ISO 11501, 60 °C/1 h., test specimen: 100 x 100 mm.
- Friction coefficient – KKT (NW/metal)
- In accordance with ČSN EN ISO 8295.
- Ionisation level
- In accordance with PN 4525/95 (manufacturer’s internal standard).
- Peel effect (lamination fastness)
- In accordance with WSP 401.0 (05).