Wolff-Wilborn pencil hardness device VF2377 / -78 / -79 | Labomat

Wolff-Wilborn pencil hardness device VF2377 / -78 / -79

Used to assess the hardness and resistance of a coating to surface scratches by moving pencils of different hardness on its surface under a constant force at an angle of 45 °.

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Description

Used to assess the hardness and resistance of a coating to surface scratches by moving pencils of different hardness on its surface under a constant force at an angle of 45 °.

• Box of 20 pencils 8B to 10H and certificate of conformity.

• According to ISO 15184, ASTM D3363,

BS 3900-E19 and equivalents.

VF2377: 750 g + 1000 g model

VF2378: 750 g model

VF2379: 500 g model (not standardized)

Video presentation :

TQC DURETE CRAYON WOLFF WOLBORN VF2377 VF2378 VF2379

Product Details
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