Line 6:
Line 6:
*Minimum durability index of 35
*Minimum durability index of 35
*Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions
*Maximum abrasion of 10% for 100 revolutions and maximum of 50% for 500 revolutions
−
+
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[[category:materials]]
[[category:materials]]