Products
Boron Nitride Rod
Density : 2.0-3.0 g/cm3
Max. Working Temperature : 900-2000 degree C
Color : White, Grey, Light Grey, Dark Grey
Description
Boron Nitride Rods are made of hexagonal BN ceramic. At UNIPRETEC, we produce several advanced ceramic parts with fine engineered ceramics, and one of those is Boron Nitride. We generally choose a form known as hexagonal boron nitride (h-BN). Hexagonal BN is a composite of boron and nitrogen that is both heat and chemically resistant. It is the most robust crystalline type of boron nitride, along with graphite. Since it has a composition identical to graphite, although you will even hear it named "white graphite" since it is white in colour. What is more, hardness of hexagonal BN is similar to graphite, so it is very easily to machine the rods into required shape, only one small tip, machining work should be process in dry conditions with no cooling liquid. Also, visible dust can be created during machining, so wearing mask and goggle is necessary.
Boron nitride ceramic rod is chemically and has relatively good thermal conductivity, low thermal expansion and microwave clarity. Boron nitride bar rod can be quickly machined as well. Moreover, glass, salts and the rest of liquid metals are non-wetting. This ensures that neither of these compounds can be moistened, and it is far more immune to chemical assaults.
Hexagonal boron nitride (h-BN) rod performs very well under high heat condition and is effective in the air at temperatures of up to 900 degrees C, in the vacuum at 1,900 degrees C and in the inert environment at 2,000 degrees C. BN rod is self-lubricating as well, as a result, it does not need the use of molecules of gas or water stuck in its layers. Because of this, in a vacuum, which is important for aerospace applications, boron nitride (BN) rod can work perfectly.
Typical Applications
● Low friction seals | ● Vacuum melting crucibles |
● Plasma arc insulators | ● Microcircuit packaging |
● High temperature furnace fixtures and supports | ● Electronic parts- heat sinks, substrates, coil forms, prototypes |
Material Characteristics
∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.
Manufacturing Process

1. Material Preparation

2. Vacuum Sintering

3. Machining

4. Packing and Shipping
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