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X Series
High Performance Durometer |
Model X-A Shore A Hardness - Normal rubber
Model X-D Shore D Hardness - Hard rubber and plastics
Model X-C Asker C Hardness - Soft rubber and sponge
Model X-F Asker F Hardness - Urethane foam, sponge
and polystyrene foam
Asker Hardness testers feature portable design, ease of operation, non-destructive measurement and optional peak indicators.
The Asker High Performance series has an accuracy of ±.75 point and is available in Type F for soft materials like sponge rubber and urethane foam.
Asker models are available in ASTM D 2240 durometer Types: Shore A Hardness, Shore D Hardness and Asker C Hardness durometer scales. |
As the hardness tester 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 ±.75 point). However, as time elapses the indicator will "creep" back so that a reading taken a few seconds after the tester makes contact with the sample will be less than the peak reading. The optional peak indicator helps to more closely monitor the difference between peak and "creep" in hardness tests.
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Durometers 
