Gypsum board suitable for wet or humid areas
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United States of America Patent
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Sep 10, 2020
app pub date -
May 22, 2020
filing date -
Feb 3, 2012
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Abstract
Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
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