<p>This International Standard specifies a test method for the accelerated determination of the resistance of porcelain</p>
<p>enamel coatings on aluminium and aluminium alloys to spalling as a result of exposure to moisture or weathering.</p>
<p>Because spalling is caused by the lack of adhesion between the coating and the base metal, the spall test is a test</p>
<p>of adhesion. The greater the extent of spalling in this test, the greater the likelihood that the article will spall in</p>
<p>service.</p>
Registration number (WIID)
22970
Scope
<p>This International Standard specifies a test method for the accelerated determination of the resistance of porcelain</p>
<p>enamel coatings on aluminium and aluminium alloys to spalling as a result of exposure to moisture or weathering.</p>
<p>Because spalling is caused by the lack of adhesion between the coating and the base metal, the spall test is a test</p>
<p>of adhesion. The greater the extent of spalling in this test, the greater the likelihood that the article will spall in</p>
<p>service.</p>
