Pencil Hardness Tester

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Pencil Hardness Tester

The Pencil Hardness tester is the most common but also the most inconsistent technique to measure the hardness of a coating.

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Description

The Pencil Hardness tester is the most common but also the most inconsistent technique to measure the hardness of a coating. This test conduct scratch hardness tests to determine the resistance of coating material in order to prevent the scratches on the surface. Furthermore, pencils of various degrees of hardnesses are made to move all over the surface under a fixed pressure and angle. The pencils that damage the surface are taken as the final measurement of scratch hardness. We will also supply all range of Pencil for Hardness Test  like : 6B, 5B, 4B, 3B, 2B, B, HB, H, 2H, 3H, 4H, 5H, 6H, 7H, 8H, 8H, 9H,F.

Scratch hardness tests is to determine the resistance of coating materials to scratch effects on the surface.

In the 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. ‘3H’ hardness.

  • Pencil Guide with Imported 12 / 19 pencils
    Complies with ASTMD 3363

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