This standard specifies the penetration resistance test method for ceramic tiles (hereinafter referred to as tiles). However, this does not apply to tiles with intrusions for decorative purposes.
JIS A 1509-8:2008 history
2014JIS A 1509-8:2014 Test methods for ceramic tiles -- Part 8: Determination of crazing resistance for glazed tiles
2008JIS A 1509-8:2008 Test methods for ceramic tiles -- Part 8: Determination of crazing resistance for glazed tiles