Boron Nitride Blank Properties
||2.1 g/cm3 (h-BN); 3.45 g/cm3 (c-BN)
||1.8 (h-BN); 2.1 (c-BN)
||13 to 15 10x Ω-m
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Boron Nitride Blank Description
Boron nitride blank is made of boron nitride ceramic — a chemical compound with equal numbers of boron and nitrogen atoms. The hexagonal form (HBN) corresponding to graphite is the softest and most stable form among BN polymorphs, and is therefore used as a lubricant and an additive to cosmetic products. The cubic (CBN) variety analogous to diamond has a 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 Blank Available Materials
||Hot pressed at high temperature (1900℃).
Excellent corrosion resistance and thermal conductivity. Limited wear resistance
Self-bonded and high purity(>99%)
||General purpose material
Bonded by boric oxide
||Calcium borate bonded boron nitride
Enhanced moisture resistance
||BN 60%, SiO2 40%
||BN 40%, SiO2 60%
||BN-45%, Zr2O3 45%
Specifications of BN99 and ZSBN for your reference!
Boron Nitride Blank Advantages
– Low wettability to molten metal
– Relatively high thermal conductivity with low thermal expansion
– Relatively high thermal shock resistance
– Extremely high working temperature with proper inert gas protection (>3000C has been recorded).
Boron Nitride Blank Applications
Boron nitride (BN) blanks are usually the raw material to make the other machined parts. It could also directly be applied directly as insulators in some electronic or vacuum equipment with simple machining. Boron Nitride Blank ApplicationsBoron Nitride Blanks Applications
High purity BN could withstand higher temperatures in a vacuum than lower purity enhanced BN products. Although we usually claim the maximum working temperature as 2500C, there’s a record to use our material at 3000+ C. Due to the low wettability with metals, boron nitride is an ideal material for metal melting works, especially for high purity material metal in a vacuum.
Boron nitride ceramic from Advanced Ceramic Materials (ACM) can withstand high temperature in a high vacuum environment, plus 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:
-Crucibles for crystal growth
-Break rings for horizontal casting machine
-Components for PVD, MOCVD, MBE system
ACM’s Boron Nitride Blank is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.