MAGNETIC FLOOR SURFACE
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United States of America Patent
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Jan 28, 2021
app pub date -
Jul 20, 2020
filing date -
Jun 6, 2012
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Abstract
The present invention is directed to a method for providing a surface, in particular a floor surface, with a layer of a magnetic and/or magnetizable cover composition, the surface having at least one layer of cementitious material, wherein the method comprises the step of spreading the layer of the cover composition onto the surface, the cover composition comprising a polymeric binder and magnetic and/or magnetizable particles, characterized in that the layer of the cover composition has a water vapor transmission rate of at least 0.25 g h−1 m−2 according to ASTM D1653,and the surface and/ or the layer of cementitious material has a relative humidity of more than 75% according to ASTM F 2170-11.
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