Hardness Reference Blocks: distributor for SiB testblock

The hardness reference blocks for periodic calibration of your hardness testing machine.

We are distributor for
SiB testblock – the hardness reference block “Made in Germany”.



Download the relevant documents for the SiB test block here:


Recalibration of hardness reference plates

We recalibrate your hardness reference plates (all manufacturers) within 1 week with DAkkS certificate.

Contact us now so that we can act for you without delay.