Permeability cups
Permeability cups are designed to determine the water vapour transmission of paints, varnishes, coatings and related products. Permeability cup is suitable for testing both self-supporting coating and non-self-supporting coatings.
- Anodised aluminium for corrosion resistance and colouring
- Seal ring to prevent turning when closing the cover
- Any deformation to the cup may cause deviation in the result
The wet cup method is the reference for determining water vapour transmission.
: ISO 7783 (supersedes NF T30-018), ASTM D1653, ASTM E95.
: Includes a cup, a seal ring and cover ring.
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