High Thermal Conductivity Hexagonal Boron Nitride Ceramic Cylinder

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boron nitride ceramic rod
High Thermal Conductivity Hexagonal Boron Nitride Ceramic Cylinder
boron nitride ceramic rod

High Thermal Conductivity Hexagonal Boron Nitride Ceramic Cylinder

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High Thermal Conductivity Hexagonal Boron Nitride Ceramic Cylinder

Hexagonal Boron Nitride rod 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 & درجة حرارة عالية. 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 مرات.

خصائص المواد：
* الموصلية الحرارية العالية
* مقاومة ممتازة للصدمات الحرارية
* تمدد حراري منخفض
* 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
Ability
Max size：500x500x200mm
Best tolerance: +/-0.05مم
سماكة: 0.5 to 200mm
High purity and composited Boron Nitride are both available

خصائص المواد:

غرض
وحدة
BN-2000
BN-2300
BN-2800
BN-3000
Main Content
-
BN>99%
BN+Al2O3
BN + AlN
BN+ZrO2
اللون
-
أبيض
Light Grey
Dark Grey
Dark Grey
كثافة
ز / سم3
1.95-2.00
2.25-2.35
2.75-2.85
2.90-3.00
قوة العاطفة
الآلام والكروب الذهنية
30
65
85
90
قوة الضغط
الآلام والكروب الذهنية
55
145
205
220
Electrical Resistivity
Ω·سم
>1014
>1013
>1013
>1012
الأعلى. Use Temp. (Air)
درجة مئوية
900
1,000
1,000
1,000
الأعلى. Use Temp. (Vacuum)
درجة مئوية
1,900
1,750
1,800
1,750
الأعلى. Use Temp. (خامل)
درجة مئوية
2,000
1,750
1,800
1,750
توصيل حراري
W / مك
35
30
85
30
كوت (25 - 1,000 درجة مئوية)
10-6/ك
1.5
2
2.8
3.5

High Thermal Conductivity Hexagonal Boron Nitride Ceramic Cylinder

التطبيقات

1. Electronic parts – heat sinks, substrates, coil forms, prototypes
2. Vacuum melting crucibles
3. CVD crucibles
4. Microcircuit packaging
5. Sputtering targets
6. High precision sealing, brazing, and metallizing fixtures
7. Microwave tubes
8. Horizontal caster break rings
9. Low friction seals
10. Plasma arc insulators
11. High temperature furnace fixtures and supports

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