To resist deforming, expanding, or cracking when compressed, bent, or exposed to quick temperature changes, these silicon-nitride ceramic discs have been pressed into ultra-dense discs. They’re just as strong and fracture resistant as zirconia ceramic, and hold their strength and shape at higher temperatures. All are stronger, harder, and more fracture resistant than most other ceramics.

These discs are good for use as high-stress parts, such as engine parts. You can even use them as a substrate or insulator for electronic parts, such as computer chips. Since they stand up to temperature swings better than silicon carbide and mullite, they’re also good for use in furnaces and immersion heaters. Able to withstand wear, these discs can be used to make bearings, rollers, bushings, and seals.

All of these discs hold up to harsh chemicals, such as acids, but may corrode from nitric acid. They are not as corrosion resistant as silicon carbide.

For technical drawings and 3-D models, click on a part number.