| 1. | Durometer selection is also affected by skater weight, and temperature.
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| 2. | Wheels for indoor use are hardest with a durometer of 88 97.
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| 3. | Contoured back-ups are routinely produced in a 90 durometer nitrile.
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| 4. | However, depending on the durometer of the wheels used, it can be slower.
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| 5. | If it does not penetrate at all, then the durometer is 100 for that scale.
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| 6. | He invented the first quadrant durometer in 1915 to measure the hardness of polymers and other elastomers.
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| 7. | The ASTM D2240 standard recognizes twelve different durometer scales using combinations of specific spring forces and indentor configurations.
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| 8. | Because of the low durometer of this material it is often used in low-torque peristaltic pumps.
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| 9. | Wheels for outdoor use are softer with a durometer of 82 87, and tend to wear more quickly.
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| 10. | The durometer would be inserted into the hole, allowing the meter to perform the test beneath the ball's surface.
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