BORALLOY Pyrolytic Boron Nitride is an easily machined, easily fabricated, high purity inert construction material offering a unique combination of electrical, mechanical and thermal properties. This datasheet provides information on composition, physical properties, microstructure, elasticity, tensile properties, and compressive, shear, and bend strength. It also includes information on machining and joining. Filing Code: Cer-7. Producer or source: Union Carbide Coatings Service Corporation.