Boron nitride, or BN, is an advanced ceramic material that is easily machined into solid or powder form, or other complex shapes. It has high heat capacity, outstanding thermal conductivity, easy machinability, lubricity, low dielectric constant and superior dielectric strength. These properties make it a truly outstanding ceramic material.
Boron nitride also referred to as white graphite. It is non-abrasive, white powder with a hexagonal platy crystal structure similar to graphite, but with a much higher oxidation resistance at 800ºC. Boron nitride ceramic powder has high thermal conductivity, low coefficient of friction, high dielectric constant and are chemically inert. Due to those unique properties, it is used in a broad range of applications ranging from electronics, aerospace, oil and gas, ceramic manufacturing and cosmetics.
The hexagonal form boron nitride (HBN) corresponding to graphite is the softest and most stable form among BN polymorphs, and is therefore used as lubricant and an additive to cosmetic products. The cubic boron nitride(CBN) variety analogous to diamond has high hardness which is inferior only to diamond. The rare wurtzite boron nitride (WBN) modification is similar to lonsdaleite, and it may even be harder than CBN.
Advanced Ceramic Materials is a leading supplier of boron nitride ceramic products of the highest quality for a wide range of applications. We offer BN products of high purity and with competitive prices.
Because of excellent thermal and chemical stability, boron nitride ceramics are traditionally used as parts of high-temperature equipment. BN also has potential use in nanotechnology. Boron nitride nanotubes can be produced that have a structure similar to that of carbon nanotubes, i.e. graphene (or BN) sheets rolled on themselves, but the properties are very different. H-BN Ceramic is usually used to make BN crucible. C-BN is used as an abrasive and is an ideal material for heat spreaders. Amorphous boron nitride (a-BN) Layers are used in some semiconductor devices.