Why Choose A Copper Exhaust Gasket?

As leading copper exhaust gaskets manufacturers, we believe copper is one of the best exhaust gasket materials available on the market. A copper exhaust gasket is the common choice for many applications, and there’s a good reason for that. It has many unique attributes and benefits, so let’s take a look at a few. Malleable – Copper is extremely strong, however it is still malleable so it conforms to the sealing surfaces. This strength-malleability combination is its biggest selling point and the reason Stephen Gaskets has been using copper as an exhaust gasket material for years. Its ability to conform creates a tighter seal which means lower leak down percentages. Metal-to-Metal – If a gasket comes under high pressure it needs to be able to withstand it, this requires a more robust combustion seal and the best combustion seal is metal-to-metal, i.e. copper. Customisable – We can provide gaskets for just about any job there is going. We have a wide range of different sizes; providing the options necessary to optimise performance. Or, we can manufacture a copper exhaust gasket to your exact needs. So please do contact us to discuss your requirements. Conductivity – Gaskets take a lot of heat, which is why copper is the perfect material. Copper is the standard by which all other conductors are measured; therefore a copper gasket provides superior thermal conductivity, acting to stabilise head and block temperatures. Heat related failures are far less common with a copper exhaust gasket because the metal-to-metal allows the heat to be transferred to the heat exchanger. Elasticity – Copper has 25% coefficient of elasticity, which means in a 4-inch section, the copper head gasket will stretch to 5 inches before it ruptures. Because of this quality, copper will stretch before a catastrophic failure, thereby providing an extra measure of safety not available with other gasket materials.

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