Browse Publications Technical Papers 2002-01-0332
2002-03-04

Reinventing the Internal Combustion (IC) Engine Head and Exhaust Gaskets 2002-01-0332

This paper describes how a blend of silicon polymers, mixed with the right combination of fillers, enables the production of durable rubber IC engine head and exhaust gaskets. The resin blend, when mixed with glass fiber reinforcement, produces a liquid sealant suitable for exhaust gasket applications. The exhaust sealant and laminate head gaskets were tested on Ford 460 truck engines at Jasper Engine Company and completed more than 5,000 hours of durability testing without incident.
Fabric reinforced polymer (FRP) head and exhaust gaskets can be laser cut from molded laminates, creating a ceramic glass-sealed edge. Thermogravimetric scans of typical gasket laminate material reveal an 88%-yield at 1000°C.
FRP head gaskets also enable the cost-effective production of multiple spark ignition (MSI) head gaskets.

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