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Pencil Hardness Tester

Pencil Hardness Tester
Pencil Hardness Tester
Product Code : 334
Product Description

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. “3H” 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


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