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Hexagonal Boron Nitride has a microstructure similar to that of Graphite. In both materials this structure, made up of layers of tiny platelets, is responsible for excellent machinability and low-friction properties. we called hexagonal boron nitride (HBN) or white graphite.
Boron nitride can be long-term used at 1800 degrees under vacuum atmosphere. With gas protection, Boron Nitride can be used at 2100°. Boron Nitride is with high thermal shock resistance, no cracks under extreme cold & high temperature. If you take out Boron Nitride from 1000 degree furnace and colding it within short minutes. It still won't break even repeat this test with 100 times.
Material Properties
* High thermal conductivity
* Excellent thermal shock resistance
* Low thermal expansion
* Exceptional heat resistance
* Good Chemical Inertness
* High electrical resistance
* Low dielectric constant and loss tangent
* High volume resistivity
* Excellent machinability
Grades 5 grades of boron nitrides are involved in Boron Nitride product series.
* BN99 CABN ALBN ZRBN ZABN SB
Applications
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Grade
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BN99
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CABN
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ALBN
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ZSBN
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ZABN
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SBN
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||||||
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Compositions
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BN>98.5%
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BN>97.5%
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AlN+BN
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ZrO2+BN
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ZrO2+AlN+BN
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SiC+BN
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||||||
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Binder
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B2O3
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CaB2O3
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AlBO3
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B2O3
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AlBO3
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AlBO3
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||||||
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Density(g/cm3)
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1.95~2.0
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2.0~2.1
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2.6
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2.9~3.0
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3.2~3.3
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2.4~2.6
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||||||
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25 Volume Resistivity(Ω·cm)
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>1014
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>1013
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>1014
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>1012
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>1012
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>1012
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Max. Service Temp. ()
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|
|
|
|
|
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||||||
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Oxygen
|
900
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900
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900
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1000
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900
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900
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||||||
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Inert Gas
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2400
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2400
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2100
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1800
|
1800
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1700
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||||||
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High Vacuum
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2200
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2200
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1900
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1800
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1800
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1700
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|
|
|
|
|
|
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Three-point
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30
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70
|
130
|
120
|
130
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91
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||||||
|
Flexural Strength(Mpa)
|
|
|
|
|
|
|
||||||
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Compressive Strength(Mpa)
|
100
|
100
|
250
|
280
|
300
|
300
|
||||||
|
Coefficient of Thermal Expansion
|
1.5
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2
|
4.5
|
5
|
5
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4
|
||||||
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25~1000(10-6/K)
|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
Thermal Conductivity(W/mK)
|
15
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20
|
50
|
20
|
40
|
40
|
||||||
INNOVACERA is a professional high-tech enterprise, cooperate with Chinese University in advanced materials, many products are awarded as high-tech products and obtain patents.
Xiamen INNOVACERA engages in R&D, manufacturing and selling the products of advanced ceramic materials, including Alumina, Zirconia, Boron Nitride, Silicon Nitride, Machinable Glass Ceramic and other advanced materials. Through different manufacturing processes, we supply metallized ceramic components, alumina heater, ceramic pump components and other ceramic components as request.
FAQ
Q1. Do you offer samples?
A: Yes, we'll offer you samples if we have stock, but some will charge sample fee. Shipping cost will pay by customer.
Q2. What is your terms of payment?
A: T/T in advance, Western Union, Alipay, Paypal.
Q3. How about your delivery time?
A: Depends on the requirement of the producst, according to the materials, dimensions and the manufacture process.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q5: What else products do you offer?
A: We provide the products of advanced ceramic materials, including Alumina, Zirconia, Boron Nitride, Silicon Nitride, Machinable Glass Ceramic and other advanced materials.
If you have another question, pls feel free to contact us as below:
Call to +86 0592-5589716
Q:More detail company information ?
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