We are offering silicon nitride balls etc. An alternative to metal & ceramics silicon nitride - si3 n4 has an elasticity 50% greater than steel and can withstand temperatures of up to 1800 degree f.
characteristics :
elasticity 50% greater than steelwithstand up to 1800°f temperature
applications :
super precision bearing aerospace high temperature application + 1400 degree centigrade also for measuring radar pumps & compressor.