Pencil Hardness
Select from list below:
Abrasion Testing
Accelerated Life Testing
Chemistry Laboratory
Computer Modeling
Salt Spray Testing
Density
Electrical Properties
Electron Microscopy
Experimental Foundry
Failure Analysis
Hardness Laboratory
Heat Treatment Studies
Light Microscopy
Lubrication Testing
Machine Shop
Materials Databases
Mechanical Testing
Metallography
Paint & Coatings
Product Testing
Rolling Mill
Thermal Testing
HARDNESS LABORATORY
The following is a list of hardness measuring instruments at Touchstone:
Pencil Hardness Testing
Commonly used for measurement of the hardness of paints or other soft coatings, this technique uses various pencil leads and is performed much like a scratch test. Harder and harder pencils are used until the coating is scratched. The softest pencil lead which scratches the surface is the hardness.