This standard specifies the ball indentation test method at room temperature for fine ceramic porous bodies with a porosity of 30% to 60% used in filters, catalyst carriers, humidity sensors, etc.
JIS R 1681:2007 Referenced Document
JIS B 0601 Geometrical Product Specifications (GPS).Surface texture: Profile method.Terms, definitions and surface texture parameters*, 2013-03-21 Update
JIS B 0621 Definitions and designations of geometrical deviations