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Test conditions<br />
<br />
Test plates were coated with 1-2 mm mud and placed horizontal<br />
in a 40 o C humidity cabinet for 4 weeks<br />
<br />
48 hours humidity cycle:<br />
24 hours at 85% RH and<br />
24 hours at 50% RH<br />
Pitted surfaces of etched AA6060<br />
Date: 2004-01-13 • Page: 15 • Hydro Aluminium