'CI' PAYNE PERMEABILITY CUP
Code: 10024
COMPLIANCE:
Confirming to ASTM D1653.
APPLICATION:
This simple instrument allows reliable measurement/determination of water vapour transmission/moisture of paints, varnishes or similar coatings. Precise machining ensures exposure area.
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It consists of a Cup, a Ring, a Gasket and a Screw cap.
After drying, a coated permeable backing material is cut out to form a disc.
The cup filled with distilled water.
The material is placed and tightened by cap/disc assembly.
The Unit is then weighed on a balance with a minium readability of 10mg.
This unit is weighed periodically every 24 hours, to determine the loss.