Boron Nitride Ceramic Break Rings Heat Shock


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UNIPRETEC
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Keyword
boron nitride ceramic, boron nitride rings, break rings, ceramic rings
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Industrial Supplies , Cast & Forged , Ceramics , Electroceramics , Other Non-Metallic Mineral & Products
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XIAMEN UNIPRETEC CERAMIC TECHNOLOGY CO.,LTD

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BIZ
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China China /
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Others
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Product name Boron Nitride Ceramic Break Rings Heat Shock Certification -
Category Industrial Supplies
Cast & Forged
Ceramics
Electroceramics
Other Non-Metallic Mineral & Products
Ingredients -
Keyword boron nitride ceramic , boron nitride rings , break rings , ceramic rings Unit Size -
Brand name UNIPRETEC Unit Weigh -
origin Stock -
Supply type - HS code 8547100000

Product Information

Boron Nitride Ceramic Break Rings Heat Shock

Boron Nitride is a synthetic technical ceramic material, which is available in powder, solid, aerosol and liquid forms. It has out-standing thermal characteristics; high thermal conductivity and excellent thermal shock resistance and is stable in inert and reducing atmospheres up to 2000°C, and in oxidizing atmospheres to 850°C. In its solid form, Boron Nitride can easily be machined to close tolerances in virtually any shape. After machining, it is ready for use without additional heat treating or firing operations.
Typical Uses of Boron Nitride
*Electronic parts — heat sinks, substrates, coil forms, prototypes
*Boron doping wafers in silicon semiconductor processing
*Vacuum melting crucibles
*CVD crucibles
*Microcircuit packaging
*Sputtering targets
*High precision sealing, brazing, and metallizing fixtures
*Microwave tubes
*Horizontal caster break rings
*Low friction seals
*Plasma arc insulators
*High temperature furnace fixtures and supports
Maximum Sizes for Production
L*W*H: 260mm*300mm*160mm, OD*H: Φ260mm*160mm         
About UniPreTec
UniPreTec provides high-performance ceramic products in Alumina, Zirconia, Zirconia Toughened Alumina, Silicon Carbide, Silicon Nitride and  further special materials. Along with these materials, we offer several machining from which to choose such as cutting, drilling, sawing, turning, grinding, polishing etc.. Furthermore, our technologies and equipments allow us to provide various and flexible forming processes, like dry pressing, isostatic pressing, extrusion, injection moulding and slip casting.
Boron Nitride is a synthetic technical ceramic material, which is available in powder, solid, aerosol and liquid forms. It has out-standing thermal characteristics; high thermal conductivity and excellent thermal shock resistance and is stable in inert and reducing atmospheres up to 2000°C, and in oxidizing atmospheres to 850°C. In its solid form, Boron Nitride can easily be machined to close tolerances in virtually any shape. After machining, it is ready for use without additional heat treating or firing operations.
                                                                              
Typical Uses of Boron Nitride
*Electronic parts — heat sinks, substrates, coil forms, prototypes
*Boron doping wafers in silicon semiconductor processing
*Vacuum melting crucibles
*CVD crucibles
*Microcircuit packaging
*Sputtering targets
*High precision sealing, brazing, and metallizing fixtures
*Microwave tubes
*Horizontal caster break rings
*Low friction seals
*Plasma arc insulators
*High temperature furnace fixtures and supports
                                                                                        
Maximum Sizes for Production
L*W*H: 260mm*300mm*160mm, OD*H: Φ260mm*160mm      
                                        
Characteristics Unit 95 Al2O3 99 Al2O3 ZrO2 GPSi3N4 BN Glass Ceramic
Crystal Structure - hexagonal hexagonal tetragonal hexagonal hexagonal -
Color - white ivory white gray white white
Density g/cm3 3.65 3.88 5.95 3.22 2.26 2.55
Water Absorption % 0 0 0 0 0.0-1.0 0
Young's Modulus Gpa 280 350 205 295 670 65
Vickers Hardness Gpa 14 20 12 18-20 - -
Flexural Strength  Mpa 280 300 900 650 51 100
Compressive Strength  Mpa 2000 2500 2200 2200 230 500
Thermal Conductivity  W/(m·k) 18-25 30 2.2 25 20 1.7
Thermal shock resistance Δ(℃) 220 180-200 280-350 450-650 >1500 25-100
Max. Working Temperature  1500 1700 850 1200 960 800
Volume Resistivity  Ω·cm >10^15 >10^14 >10^12 >10^14 10^13 10^16
Dielectric Constant (1 MHz ) - 9.5 9.8 26 8.2 4.08 6.02
Dielectric Strength kV/mm 16 22 - 16 375 40
                                                                                                 
About UniPreTec
UniPreTec provides high-performance ceramic products in Alumina, Zirconia, Zirconia Toughened Alumina, Silicon Carbide, Silicon Nitride and  further special materials. Along with these materials, we offer several machining from which to choose such as cutting, drilling, sawing, turning, grinding, polishing etc.. Furthermore, our technologies and equipments allow us to provide various and flexible forming processes, like dry pressing, isostatic pressing, extrusion, injection moulding and slip casting.

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XIAMEN UNIPRETEC CERAMIC TECHNOLOGY CO.,LTD

Country / Year Established
China China /
Membership
BIZ
Business type
Others

11

President
Edwin Wu
Address
RM606, NO.151 YUEHUA ROAD, HULI DISTRICT
Product Category
Ceramics
No. of Total Employees
1-50
Company introduction

 

Background & Experience

UNIPRETEC is in providing solutions to difficult problems using the most high-tech advanced ceramics precision components and products. We develop, manufacture and supply precision products which required hard wearing, lightweight, non-contaminating, with excellent chemical resistance, good thermal shock and offer enhanced electrical and thermal insulation properties.

 

With many years of experience in research and development in advanced technical ceramic materials, process development, manufacturing of precision components and small assemblies for the various niche applications for the automotive, aerospace, oil & gas industries, foundries, industrials, food, medical, chemical etc. and also consulting & working with most advanced ceramics manufacturing companies around the world, we are now able to offer following services.

- Design, research & development of materials

- Material processes and manufacturing of precision components & assemblies

- Manufacturer & supplier of quality precision components made from advance technical ceramics with reasonable price and excellent delivery

- Consultation for product development, manufacturing & quality control

- Business development 

- Sales & Marketing.

 

Our Aims

 

Our advanced technical ceramic business will focus on assisting clients with design issues, material selection, manufacturing of precision components and assembly, procurement with the goal of providing material related solutions to difficult industrial problems. We intend to focus our work on the use of all kind of advanced technical ceramic materials, quality precision components & assemblies.

 

We intend to focus our work on the use of advanced technical ceramic materials that offers a combination of excellent properties such as:

- Lightweight, but with very high strength, toughness and fatigue resistance

- Excellent thermal shock

- Exceptional wear resistance

- Low thermal expansion of coefficient

- Excellent chemical & corrosion resistance to most of acidic or alkaline solutions

- Excellent non-wetting property for handling of molten non-ferrous metals

 

Advance engineering ceramic materials

- Aluminium Oxide (Al2O3)

- Zirconium Oxide (ZrO2)

- Silicon Carbide (SiC, SiSiC)

- High pressured & Hot pressed sintered Silicon Nitride (GPSN & HPSN)

- Boron Carbide (B4C)

- Aluminium Nitride (AlN)

- Machinable Ceramics (Glass Ceramic & Boron Nitride)

 

Main application areas and various components are as below:

- High temperature applications (up to 2500’C)

- RF (induction) heating application for various induction furnaces

- Non-ferrous molten metal handling products and various molten metals’s pumping applications

- Advanced gas pressured thermocouple & thermocouple sheaths for molten non-ferrous metals

- Components for high wearing and bearing applications

- Ball, rollers bearing & plain bearings from GPSN & YPZ-Zirconia ceramic materials

- Jigs-fixtures and brazing fixtures for manufacturing processes

- Mechanical seals for chemical pumps

- Electrical insulating application

- Chemical and process industries application wearing parts & liners

- Ceramic cutting tools tips

- Automotive-diesel engine components such as fuel pump needle, rods, rotor, cam followers (rollers), tappet shims etc

- Copper pipe Extruding dies, metal tubes forming rollers, wire drawing dies etc.

- Mud-Pump sleeves, pistons, balls and ball valves, seats & liners for pipes for oil, gas and nuclear applications.

 

We welcome any opportunity related to above products from any one who are interested in for development or sourcing high tech ceramic components from us. If you need any further information, please do not hesitate to contact us at our office or if you may need my visit for further detail discussion, please do not hesitate to contact me either.

 

Main Markets

Canada Canada

Germany Germany

Russia Russia

South Korea South Korea

Swaziland Swaziland

U. Kingdom U. Kingdom

U.S.A U.S.A

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