Discover how to evaluate and compare the surface hardness of different protective coatings using accessible DIY testing ...

Although some people may consider it to be â low tech,â using pencils to test hardness is still a method used by many coatings manufacturers and some finishing shops. The test uses special pencils ...

This educational video demonstrates four cost effective DIY methods to accurately measure the hardness and durability of various composite materials and surface coatings. It explores practical testing ...

A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...