Pencil hardness testers

: Industrial Physics

Pencil hardness testers

: Industrial Physics

These pencil hardness testers have been designed to test the scratch hardness of coatings.

Pencils of 6B to 8H hardness-grade are used.

The pencil is moved scratching over the surface under a 45° angle with a constant pressure. An optical assessment is carried out to see which pencil hardness damages the surface.

: ISO 15184, ASTM D3363, JIS K-5400, JIS K-5600, ECCA-T4-1, BS 3900-E19, SNV 37113, SIS 184187, NEN 5350, MIL C 27 227, EN 13523-4.

: Supplied with 20× pencils and a pencil sharpener.

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