High-Purity Alumina Ceramic Substrate

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Product Description

Ceramic Substrate

High-Purity Alumina Ceramic Substrate

Ceramic substrates have been at the heart of automotive emissions control technology since Corning developed synthetic cordierite and a ceramic honeycomb extrusion die in the early 1970s. The honeycomb substrate is filled with thousands of tiny parallel channels, each open at both ends to allow vehicle exhaust to flow through. These channels provide a vast internal surface area to support catalytic activity. When the substrate is the size of a soda can, the surface area of its interior (including the high-surface-area repair coating) is roughly equivalent to that of an American football field.

These substrates can withstand temperatures exceeding 1100°C (2000°F) and are extremely resistant to thermal shock (so they can heat up quickly even on a cold morning). They are highly adaptable and can be used with a variety of catalyst formulations to purify gasoline, diesel, natural gas, hydrogen, and other fuels.