ENVIRONMENTAL TESTING - TESTS - TEST Xb: ABRASION OF MARKINGS AND LETTERINGS CAUSED BY RUBBING OF FINGERS AND HANDS
International Electrotechnical Committee
Contents<br>Foreword<br>Introduction<br>Clause<br>1. Scope<br>2. Normative reference<br>3. General description<br>4. Description of the test apparatus<br> 4.1 Test apparatus<br> 4.2 Test fabric<br> 4.3 Test liquids<br>5. Severity<br>6. Preconditioning<br>7. Initial measurements<br>8. Testing<br>9. Intermediate measurements<br>10. Recovery<br>11. Final measurements <br>12. Information to be given in the relevant specification<br>Annex A - Schematic drawing of a test apparatus for test Xb
Intended to provide a standard method to determine the resistance of markings and letterings on flat or curved surfaces against abrasion as it may occur by manually operating actuators and keyboards. Is also suitable to test the resistance against fluid contamination as it may occur under normal use.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 50 |
