GNPGraystar’s Silicon Nitride Powder is grey powder derived from the direct chemical reaction of silicon and nitrogen. Silicon Nitride powder is used in high performance technical ceramics for applications with very high wear and thermal stress conditions.
GNPGraystar also offers this as a RTP Silicon Nitride Powder – a spray dried granulated silicon nitride powder containing processing and sintering additives (Al2O3 and Y2O3).