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Boron nitride is a heat- and chemically resistant refractory compound of boron and nitrogen with the chemical formula BN. It exists in various crystalline forms that are isoelectronic to a similarly structured carbon lattice
B 0142 (OTTO) Boron nitride, 99.5% Cas 10043-11-5 - used in paints, dental cements, pencil leads, xerographic process and laser printers, sealing oxygen sensors.