
Environmental testing Tests - Test Xb: Abrasion of markings and letterings caused by rubbing of fingers and hands
出版:Standards Australia

專家解讀視頻
Provides a standard method to determine the resistance of markings and letterings on flat or curved surfaces against abrasion as may occur for example by manually operating actuators and keyboards.
IEC 60068-2-70 Ed. 1.0 - Identical