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BN0948 Boron Nitride (H-BN) Plate / Sheet

Boron Nitride Plate / Sheet Properties

Boron Nitride Plate Sheet

Compound Formula BN
Molecular Weight 24.82
Appearance White
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-sds

 Download Boron Nitride SDS 

 

Boron Nitride Plate / Sheet Description

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.

Boron Nitride Plate / Sheet Available Materials

Material Description Availability
BN99 Hot pressed at high temperature (1900℃).
Excellent corrosion resistance and thermal conductivity. Limited wear resistance
Self-bonded and high purity(>99%)
Machinable Blanks
Finished Parts
BNBO General purpose material
Bonded by boric oxide
Finished Parts
BNCB Calcium borate bonded boron nitride
Enhanced moisture resistance
Finished Parts
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!

Boron Nitride Plate / Sheet Advantages

– 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 Plate / Sheet Applications

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

Packing Service

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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Boron Nitride (H-BN) Plate/Sheet
Average rating:  
 2 reviews
by Chris Lanese on Boron Nitride (H-BN) Plate/Sheet
Good Product

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

by Chris Moran on Boron Nitride (H-BN) Plate/Sheet

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.