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Roof coating data sheets typically describe mechanical properties, permeance and swelling. How important is film thickness in these tests?

April 26, 2017Coating Data mechanical permeance properties roof sheets Swelling

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Roof coating data sheets typically describe mechanical properties, permeance and swelling. How important is film thickness in these tests?

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If the tests were conducted in accordance with ASTM D-6083, then the samples should have been prepared at 20 dry mil thickness. Obviously the results of these tests will be somewhat different if the same product were tested at 20 versus 30 dry mils.