Pencil hardness in accordance with DIN EN ISO 15184 / ASTM D3363

Using pencil leads of known hardness, we can quickly determine the surface hardness of your organic coating. You will receive a standardised value for comparison and approval purposes.
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Pencil hardness

ASTM D3363 DIN EN ISO 15184
This test forms part of the following manufacturer and specification standards:

AAMA

AAMA 2603 AAMA 2604 AAMA 2605

Caterpillar

1E1952 1E2732

This test method describes a procedure for the rapid determination of the hardness of an organic coating on a substrate using pencil leads of known hardness. The hardness of the pencil leads is increased in stages until the coating surface shows visible damage.

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