Silicon nitride-bonded silicon carbide products (side composite blocks for electrolytic aluminum cells, kilns, risers), silicon nitride powder, and calcined coke are the leading industries

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Silicon nitride bonded silicon carbide- side block

Uses: Electrolytic aluminum tank side wall, chemical industry reaction tank, all kinds of high temperature resistant wear-resistant lining, drooling brick, furnace heating furnace and aluminum liquid conveying pipe. Features: It has long service life, high hardness, high temperature strength, abrasion resistance, aluminum liquid corrosion resistance and heat scouring, good acid and alkali corrosion resistance, low linear expansion ratio and high thermal conductivity.

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Silicon nitride bonded silicon carbide- side block

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Special resistant products

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Product name				Silicon nitride bonded silicon carbide products
Chemical composition（%）	SiC			≥ 72.0
	Si₃N₄			≥ 21.0
	Fe₂O₃			≤ 0.3
	Si			≤ 0.3
Display porosity（%）				≤ 16.0
Bulk density（g/cm³）				≥ 2.68
Room temperature compressive strength（Mpa）				≥ 180.0
Bending strength（Mpa）		Room temperature		≥ 45.0
		1400℃		≥ 55.0
Thermal conductivity λ（W/m·K）			Experimental temperature650℃	19.5
			Experimental temperature1000℃	17.2
Temperature conductivity α（cm²/s）			Experimental temperature650℃	0.064
			Experimental temperature1000℃	0.053
Linear expansion rate			α30—1000	4.02×10^－6（k^-1）
			α30—1100	4.06×10^－6（k^-1）