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So it's time to buy some new wheels. What hardness should you get? What do the durometer numbers mean? What's a durometer anyway? Don't worry, we got you.
Instron Corp. is marketing its new Shore S1 Durometer, which features a modular cartridge system. The system allows operators to test in any of the standard Shore scales-A, B, D, C, DO, O, OO and M.
To avoid these problems, engineers should use a Shore O durometer when measuring the hardness of foams. Its ball-shaped indentor is better suited for foam. And the foam should be at least 0.25 in ...