Advanced Refractory Materials Silicon Nitride Si3N4 Powder
	
	The spec for silicon nitride powder:
	1. L559, 100-200NM, 99.9%
	2. L560, 0.3-0.5um, 99.9%
	3. L562, 0.3-0.5um, 99.99%
	4. L566, 0.6-0.8um, 99.9%
	5. L567, 0.8-1um, 99.9%
	
	
	Silicon nitride powder is widely used in high-tech structure ceramic, all kinds of wear-resistant materials, refractory materials, and many other fields. 
	1. For example, in the field of metallurgy, the silicon nitride as a new type of refractory material used in metallurgy furnace, furnace mouth sealed, blast furnace outlet, hooks amorphous materials and steel industry in nitrogen and other additives;
	2. Mechanical industry, silicon nitride ceramic bearings used for ball, roller, ball seat, tool and die, new ceramic knives, pump plunger mandrel sealing materials;
	3. In the chemical industry, silicon nitride ceramics are used as wear resistance, eclipse components, such as valve, pump, carburetor combustion, filters, etc.;silicon nitride ceramic materials in electronics, military and nuclear industry also has a wide range of applications.