wearable silicon nitride Si3N4 ceramic round rod roller

wearable silicon nitride Si3N4 ceramic round rod roller Reputation depends on quality,  quality comes from Hard! Silicon Nitride Ceramic: The main raw material of graphite crucible is crystalline natural graphite. Therefore, it retains the original physical and chemical properties of natural graphite. Graphite crucible has good thermal conductivity and high temperature resistance. In the process of high temperature use, the thermal expansion coefficient is small, and it has certain strain resistance to rapid heating and rapid cooling. It has strong corrosion resistance to acids and alkaline solutions, and has excellent chemical stability. Graphite crucibles are widely used in the smelting of alloy tool steels and the smelting of non-ferrous metals and their alloys in metallurgy, casting, machinery, chemical and other industrial sectors due to the above-mentioned excellent properties. And has a good technical and economic effect. The silicon carbide c…

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