|Melting Point||2973 °C|
|Density||2.1 g/cm3 (h-BN); 3.45 g/cm3 (c-BN)|
|Solubility in H2O||Insoluble|
|Refractive Index||1.8 (h-BN); 2.1 (c-BN)|
|Electrical Resistivity||13 to 15 10x Ω-m|
Boron nitride sheet is composed of boron nitride, or BN, which is a chemical compound with equal numbers of boron and nitrogen atoms. The hexagonal boron nitride (HBN) corresponding to “white 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 (CBN) variety analogous to diamond has high hardness which is inferior only to diamond. The rare wurtzite BN (WBN) modification is similar to lonsdaleite, and it may even be harder than CBN.
|BN99||Hot pressed at high temperature (1900℃).
Excellent corrosion resistance and thermal conductivity. Limited wear resistance
Self-bonded and high purity(>99%)
|BNBO||General purpose material
Bonded by boric oxide
|BNCB||Calcium borate bonded boron nitride
Enhanced moisture resistance
|BN60||BN 60%, SiO2 40%||Finished Parts|
|BN40||BN 40%, SiO2 60%||Finished Parts|
|ZSBN||BN-45%, Zr2O3 45%||Finished Parts|
Specifications of BN99 and ZSBN for your reference!
– Low wetability to molten metal
– Low dielectric constant
– Relatively high thermal conductivity with low thermal expansion
– Relatively high thermal shock resistance
– Relatively high heat resistance
– Extremely high working temperature with proper inert gas protection (>3000C has been recorded).
Boron Nitride ceramic from Advanced Ceramic Materials (ACM) can withstand high temperature in the high vacuum environment, plus it is chemically inert — it has excellent corrosion resistance and electrical resistance. Thus, Boron Nitride ceramic product is an ideal choice in a wide range of industries, such as:
-Electric insulators in vacuum system
-Insulators for high temperature furnace
-Spacers for glass melting
-Boron Nitride parts for ion injection equipment
ACM’s boron nitride ceramic plate (BN plate) and boron nitride ceramic sheet (BN sheet) are carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition. Boron nitride sheet can be easily machined, please contact us for more information about boron nitride machining.
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Use this bn plate to make gaskets for pouring spots on two 5 gallon gas jerry cans. Worked great used scalpel and fuel proof sealant - WALLA no leaking gas on HOT 9500 WATT Generator - Pleased
I bought some boron nitride ceramic materials months ago and I’m really impressed with ACM's good products and service. It helped my project get good results and it’s a very HIGH-PURITY material for the price.