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Transmission pan gasket users were dissatisfied with the high cost of rubber-onsteel overmolded gaskets. In thermal cycling tests, the test gaskets failed in under 265 hours due to delamination around bolt holes and stress relaxation.
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A Select-a-Seal gasket, combining compression and adhesion, easily passed a customer mandated 1000- hour thermal cycling test, and exceeded the customer's requirement by 2.5 times (at which time the test was suspended). |
