A compressed non-asbestos gasket, also known as CNA gasket, is a type of gasket material that is designed to replace traditional asbestos-based gaskets. Asbestos was commonly used in gaskets due to its heat resistance and sealing properties, but its use has been phased out due to health concerns associated with asbestos exposure.
Compressed non-asbestos gaskets are made from a combination of synthetic fibers, fillers, and elastomers. These materials are compressed and bonded together to form a solid gasket sheet. The specific composition of the gasket may vary depending on the manufacturer and the intended application.