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Dunlop Shore A rubber hardness ratings measure the resistance of a rubber compound to indentation, indicating how soft or rigid the material is. Measured using a device called a durometer on a scale from 0 to 1...
Read articleDunlop Shore A durometer ratings matter for footwear because they directly measure the hardness of the elastomeric materials—such as rubber, polyurethane, and PVC—used to construct shoe soles and midsoles. This...
Read articleTo measure Dunlop Shore A hardness in rubber compounds, place a calibrated Shore A durometer perpendicular to a flat rubber specimen that is at least 6 millimeters (0.24 inches) thick. Press the durometer foot...
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