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Boron carbide is chemically inert (proof against warm nitric acid and hydrogen fluoride) and Nearly insoluble in water. Boron carbide is an especially really hard boron-carbon ceramic. Boron carbide has a Mohs hardness https://albertbedn182262.blogolize.com/the-single-best-strategy-to-use-for-boron-carbide-plates-68685891

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