Surface roughness
ISO 8791-2 determination of surface roughness/surface smoothness for paper and cardboard according to Bendtsen. The measuring range is between 5 and 3000 ml/min. The method is not suitable for soft materials that do not lie smoothly under the measuring head or for porous materials.
Preparatory work: Before testing, sample handling takes place according to ISO 186 and conditioning according to ISO 187.
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