Rubber durometer test blocks from Grainger help you to test the operational status of your Shore A or Shore D durometer. Choose a Shore A test block kit to yield hardness values of averaged ranges of 30, 60 and 90. Use a Shore D test block kit to find hardness values in the average ranges of 20, 40 and 80. A set of three rubber test blocks for testing type A hardness values of 27 to 94 includes a certificate. Shop Grainger today for the durometer tester accessories, or rubber durometer test blocks, to help reliably test your durometer.
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