Unlike other manufacturers that rely on large amounts of low-cost iron as a “filler” material, Miba relies on a bronze-based material while adding only small amounts of iron to act as a hardening agent. Buttons that use a higher content of bronze, versus iron, are more expensive to produce. However, higher levels of wear resulting from the use of iron buttons prematurely destroys cores and cost substantially more in the long run, resulting in the need to purchase replacement plates and carriers more often. Recent tests by one of the world’s largest clutch manufacturers illustrate the difference. They show that the number of buttons used, per carrier, can be reduced due to Miba’s superior MUE performance in low torque capacity applications, and in applications that create temperatures up to 500 degrees Celsius. Based on these findings, and those of the numerous other O.E. clutch manufacturers, it’s easy to understand why O.E. engineers are convinced that the upfront investment in Miba buttons is a cost effective business decision.

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