Here are ten ways to get the most out of your multi-finger scratch and scratch tester: Multi-Finger Scratch Test.jpg 1. Test hardness https://www.testerinlab.com/news/783.html Multi-finger scratch and scratch testers can be used to test the hardness of a variety of common and less common materials such as metals, plastics, glass, ceramics and more. 2. Test wear resistance Using the multi-finger scratch and scratch tester, the abrasion resistance of materials can be tested, including damage or scratches on the surface of the material. #scratch #scratchtest #multi-fingerscratchandmartester #scratchtester #scratchtesting #multi-fingerscratch