This standard specifies a standard method for determining the abrasion resistance of printing on flat or curved surfaces such as keyboards that are handled by hand. This method is also suitable for testing durability against liquids that occur under normal usage conditions.
JIS C 60068-2-70:2007 Referenced Document
JIS C 60068-1 Environmental testing -- Part 1: General and guidance*, 2016-04-20 Update
JIS C 60068-2-70:2007 history
2007JIS C 60068-2-70:2007 Environmental testing -- Part 2: Tests -- Test Xb: Abrasion of markings and letterings caused by rubbing of fingers and hands