bn coatings, boron nitride coatings, zyp coatings, inc. produces a complete line of high temperature coatings for use on ceramics, metals, or graphite substrates, in areas such as metal melting and forming, release agents, lubrication, masking, sealing, atmosphere protection, etc. established in 1982, the company specializes in producing the most complete line of protective paintable refractory coatings for high-temperature use.