Product Description :

Silicon nitride powder is widely used in iron and steel metallurgy, refractory materials, non-ferrous casting and other industries, can significantly improve the refractory high temperature resistant performance of materials; At the same time also more and more widely used in wear-resistant rubber, sealing materials, abrasive and other industries.

Physical and chemical index:

Si3N4%	N%	Ca%	Al%	Fe%	C%	O%
85	34	≤0.6	≤0.8	≤1	≤1.5	≤2.5
90	36	≤0.3	≤0.3	≤0.5	≤1	≤2
95	38	≤0.4	≤0.4	≤0.4	≤1	≤2
99	39.5	≤0.1	≤0.1	≤0.1	≤0.5

Features:

1,excellent corrosion resistance and heat shock resistance

2,good anti-division property, stable chemical composition

3,low thermcal expansion coefficient

4,good oxidation resistance at high temperature