Raj Scientific Company manufactures Pencil Hardness Tester. Raj Scientific Company offers wide ranges of salt spray cabinet, conical mandrel tester, paint corrosion cabinet, vibro shaker, sag index, wire bar coater, digital stormier viscometer, cupping test apparatus, color matching cabinet etc. Pencil Hardness Tester is used 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 Hardness Tester is suited for:
