The Buchholz tester is a reliable test for plastic deformable coatings.
The DUR-O-Test uses a needle under an adjustable pressure spring to create a scratch on the coated surface.
The Wolff-Wilborn Pencil Hardness test offers a higher level of precision for a pencil scratch tester.
Fully automated instrument for measuring pendulum hardness in accordance with the König and Persoz methods.
Largest sample size: 102mm x 229mm (4.0 x 9.0 inches)
Maximum sample thickness : 8.5mm (0.33 inches)
Minimum sample thickness is limited by the rigidity of the sample.