Description

Product details

The pencil hardness test, also referred to as the Wolff-Wilborn test, uses the varying hardness values of graphite pencils to evaluate a coating's hardness. The pencil hardness test is perhaps the most simple form of hardness test

Keywords

• The
• coating
• simple form
• graphite pencils
• Wolff-Wilborn test
• pencil hardness test
• Hardness Tester-Pencil
• varying hardness values