SH 3000 pencil hardness tester

According to Wolff-Wilborn

For the determination of the resistance of coated surfaces.
This pencil hardness tester is placed on the coating under test and moved forward for several millimeters (see the standards). The hardness is determinated of the both hardness degrees between writing and intrusion.

Delivery inclusive:

  • Hardness tester with pencils of 17 hardness degrees from 6B to 9H