Wolff Wilborn Pencil Hardness Test to BS 3900, ECCA-T4-1, ISO 15184, JIS K-5600, ASTM D3363

Paints / Laboratory equipment

Properties

Technical Sheet

Product Description

The Pencil Hardness Test according Wolff Wilborn provides in a simple method to test the scratch hardness of coatings. In this test, pencils in a range of 6B to 8H hardness-grade are used. The pencil is moved scratching over the surface under a 45° angle with a constant pressure. Then an optical assessment is carried out to see which pencil hardness damages the surface.