Super EXReference Specimens Available
Asker is one of the leading manufacturers of durometers in the world. Asker design and precision manufacturing produce a reliable, highly accurate durometer.
Hardness is an essential characteristic of various rubber, elastomers and plastic products. The first step in using a hardness tester is to select the optimum type based upon the material hardness.
Asker Super EX durometers feature portablility, ease of operation, non-destructive measurement and optional peak indicators. They are heavy-duty with high repeatability.
As the durometer is pressed against the sample, the material resistance force and indentor spring load balance. The depth of the indentor is measured, which provides a measure of the material's hardness. Values are based upon a 100 point scale (accuracy ±1 point). However, as time elapses the indicator will "creep" back so that a reading taken a few seconds after the durometer makes contact with the sample will be less than the peak reading. Hoto Instruments durometers offer a peak indicator as an option to more closely monitor the difference between peak and "creep".
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