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.

(See table, Shore hardness testing) Each scale ranges from 100 (a lack of indentation) to 0 (a maximum indentation that varies by scale). Most scales are based on 0.1 in. maximum indentation.

The most common instrument used for measuring hardness is Shore Durometer. It measures the depth of penetration of an indenter on a scale from zero to a tenth of an inch (0.1 in.).

Shore hardness is characterized by using an instrument that pushes a specially shaped metal rod or cone into the test material. The higher the numbers on the scale the greater the resistance to ...

Testing and Simulation of Shore Hardness . Shore testing accurately measures the hardness of elastomeric and plastic material, including adhesives. The two scales most frequently used for determining ...

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.