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This Indentation Tester is used to evaluate the indentation resistance (hardness) of mono or multi-coat paint systems, varnish and related products.
The Pencil Hardness Tester offers a traditional method to define the scratch hardness of coating systems by the use of pencils of a known hardness. The test can be applied to clear, pigmented organic coating films such as paints, lacquers, varnishes.
Specifications allow for use of either the (preferred) mechanised or hand operated apparatus. A test panel is clamped to a slide which slowly withdraws the panel while a needle scratches the surface.