Control Rubber Block Set.

Designed as a reference guide for users of durometers the test block kit can be useful when using the durometer as a hand device to assist a user to get a "feel" for what certain levels of hardness should feel like and help reduce errors caused by applying incorrect load pressure.

These test blocks can also be used a reference to check for the calibration of your durometer and reference against measuring errors. 



Shore A - Kit includes 7 pieces measured in HA (31, 41, 52, 65, 75, 83, 88) 1

Shore D - Kit includes 3 pieces measured in HD (13 ,30 ,92) 1

Accuracy: ±2 HA/HD


We can also offer a NATA calibration verification available on request through a 3rd party registered laboratory. Please contact us for pricing. Standard lead time for this service is 7~10 days.


1. Please note that hardness values are approximate and may be subject to change at any time, at the manufacturers discretion.




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