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Smoothness Bekk Method

Bekk's smoothness is a method for characterizing the surface topography of smooth paper or films with a roughened surface. The measuring principle is based on the fact that the surface to be characterized is placed on a flat glass plate with a hole. A vacuum is created over the bore, which sucks the sample surface onto the glass. The time for the vacuum decrease between 2 defined pressure points is measured. The method is not suitable for very rough and porous materials and very smooth plastic films.

test method:Mechanical/ technological properties
Norms: DIN 53107 (2016-05)
Needed sample size:1 x DIN A4



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