Pencil Hardness Tester

Pencil hardness tester PHT-510P

This instrument uses pencil scratch method to determine the film hardness of organic coating on the substrate in a fast and economical way by drawing lead or pencil lead with known hardness. The instrument can be used in laboratory or construction site. Pencil scratch method has been widely used in the world since 1980s. This test method has been popularized in the development research and industrial production of coatings in China.