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Meijun's boron carbide nozzle is very hard One of the artificial materials, it has the characteristics of light weight, semiconductor physical properties, absorption of neutrons, high grinding efficiency, and no reaction with strong acids and alkalis.
The Mohs hardness is 9,36, the microhardness is 5400-6300 kilograms per square meter, the density is 2.52 kilograms per square meter, and the mel