INTERACTIVE SMART BOARD WEBSITES - AN OVERVIEW

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Boron carbide is an incredibly hard boron-carbon ceramic. Boron carbide contains a Mohs hardness of about 9.49, which can be the 3rd-highest hardness material after diamond and cubic boron nitride. Lightweight – ceramic plates weigh significantly fewer than steel and in some instances the burden can be halved Tungsten carbide is also proof agai