Pencil Hardness Tester
- The purpose of pencil scratch hardness tests is to determine the resistance of coating materials to scratch effects on surfaces.
- In the wolff- wilbon test, pencils of various degrees of hardness are moved over the surface under a fixed pressure and angle to the surface. The degree of hardness of the pencil which damages the surface is taken as a measurement of scratch hardness e. g. â3Hâ hardness.
- Instrument is supplied with set of hardness pencil, pencil sharpener, abrasive paper, operation manual, carrying case.
- This test complies with ASTM D3363, is 101
Plot 22G, 224 Nesbit Compound, Opposite Jupiter Tower/ SBI Bank, Nesbit Road Mazagaon, Mumbai, Maharashtra, 400010, India