Hot Pressed Sintering Boron Nitride Ceramics plate for Molten Metal Handling

Boron nitride ceramic rod, also known as white graphite, has similar structure with graphite. It has good electrical insulation,thermal conductivity, excellent thermal shock resistance and chemical stability.

Hot-pressed hexagonal Boron Nitride Ceramic Products, exhibits a unique combination of chemical,electrical,mechanical and thermal properties, making it suitable for a wide range of highperformance industrial applications.We can supply the high purity or include difference binder boron nitride ceramics, complete solution based on kinds of industry customers demand.

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Product Details

PRODUCT INTRODUCTION

Hot Pressed Boron Nitride is an excellent electrical insulator and does not require humidity to act as a lubricant. BN has poor mechanical properties, however, it generally has very high temperature heat capacity, excellent thermal conductivity, outstanding dielectric strength and easy machinability. In reducing and inert atmospheres, BN can withstand temperatures in excess of 2000℃. BN comes in a variety of different grades in solid and powder form, all with slightly differing properties.

APPLICATIONS

Thermal Management
Excellent electrical insulation and thermal conductivity make BN very useful as a heat sink in high-power electronic applications. Its properties compare favorably with beryllium oxide, aluminum oxide, and other electronic packaging materials, and are easier machinable to desired shapes and sizes.

High Temperature Environments
Temperature stability and excellent resistance to thermal shock make BN the ideal material in the toughest high-temperature environments such as equipment for plasma arc welding, diffusion source wafers, and semiconductor crystal growth equipment & processing.

Molten Metal Handling
BN is inorganic, inert, nonreactive with halide salts and reagents, and is not wet by most molten metals and slags. These characteristics, combined with low thermal expansion, make it ideal for interface materials used in various molten metal processes.

MAIN TITLE

Item:	Boron Nitride Ceramics
Process Type:	Hot Pressed Sintering and Chemical Vapor Deposition
Material:	hexagonal Boron Nitride Ceramic
Tolerance:	+-2mm
Facility:	Automatic molding equipment
Certificates:	ISO 9001 SGS
Shipping:	Many stocks , delivery time around 10-20days . by sea or by air as customer request
Delivery & Service:	Timely delivery each time. Provide reliable service and responsible for each customer with each product. Our target is to satisfy every customer with the best service.

CHEMICAL COMPOSITION

Grade	BN997	BN99	BN-SI	BN-AL	BN-SIC	BN-ZR	BN-ALN
Main Composition	BN>99.7%	BN>99%	BN+AL+SI	BN+ZR+AL	BN+SIC	BN+ZRO2	BN+ALN
Bonding Composition	B2O3	B2O3	Boron oxide silicon	Boron oxide aluminum	Boron oxide aluminum	B2O3	Boron oxide aluminum
Density (g/cm3)	1.6	2	2.2-2.3	2.25-2.35	2.4-2.5	2.8-2.9	2.8-2.9
Room Temperature Electric Resistivity (Ω·cm)	>1014	>1014	>1013	>1013	>1012	>1012	>1013
Max Using Temperature (℃） In Atmosphere In Inactive Gas In High Vacuum (Long Time)	900 2100 1800	900 2100 1800	900 1750 1750	900 1750 1750	900 1800 1800	900 1800 1800	900 1750 1750
Three-Point Bending Strength (MPA)	18	35	65	65	80	90	90
Compressive Strength (MPA)	45	85	145	145	175	220	220
Thermal Expansion Coefficient (20-1000℃）(10-6/K)	1.5	1.8	2.0	2.0	2.8	3.5	2.8
Thermal Conductivity (W/m·k)	35	40	35	35	45	30	85
Typical Application:	High Temperature Furance	High Temperature Furance	Powder Metallurgy	Powder Metallurgy	Powder Metallurgy	Metal Casting	High Temperature Equipment
High Temperature Electrical Furnace Components (High Temperature Insulator Sleeve Tube etc)		Y	Y	Y	Y	Y	Y
Metal Vaporize Crucible		Y					Y
The Container Of Metal or Glass Melting	Y	Y	Y	Y	Y	Y	Y
The Casting Mould Components Of The Precious Metal And Special Alloy.				Y			Y
High Temperature Support Part				Y		Y	Y
Nozzle And Transport Tube Of The Melting Metal		Y	Y	Y	Y	Y	Y

MATERIAL INTRODUCTION

- High Temperature Insulation rods
- Thermocouple Protection Tube
- Crucible for Melting Metal, Alloy, Rare Earth etc.
- Crucible for Electron Beam Evaporation Deposition
- Nozzle for Amorphous Soft Magnetic Strip
- Nozzle for Metal Spraying and Magnetic Material Powdering
- Evaporation Boat
- Insulation Arc and Washer for PV and Polysilicon Ignot Furnace

OUR ADVANTAGE

XTL have 7000 square meters work shop

Automatic production line

Longer working life

Reasonable price

All prototype products have to go through 4 checks in the whole process:
1. Raw material inspection
2. In processing inspection
3. Final inspection
4. Outgoing inspection

Basic Information

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Insulating Boron Nitride Ceramics rod tube for Molten Metal Handling

Boron nitride ceramic tube rod, also known as white graphite, has similar structure with graphite. It has good electrical insulation,thermal conductivity, excellent thermal shock resistance and chemical stability.Hot-pressed hexagonal Boron Nitride Ceramic Products, exhibits a unique combination of chemical,electrical,mechanical and thermal properties, making it suitable for a wide range of highperformance industrial applications.We can supply the high purity or include difference binder boron nitride ceramics, complete solution based on kinds of industry customers demand.
Boron Nitride Bn Evaporation Boat Crucible for Aluminum Metallization

Factory supply Boron Nitride Bn Evaporation Boat,Boron nitride evaporation tank, boron nitride evaporation panBoron Nitride Bn Evaporation Boat,the whole process of vacuum hot pressing sintering is carried out under the protection of vacuum and inert gas. It overcomes the phenomenon of raw materials being corroded, alienated and stripped at high temperature in the past, ensures the high-temperature sintering environment, and promotes the evaporation boat with good chemical stability after the finished product.
Customized Hot Pressed Solid BN Boron Nitride Ceramic Structural Parts manufacturers From China | XTL

Boron Nitride has unsurpassed thermal stability and is stable at temperatures up to 1000 C in air, 1400 in vacuum, and 2800 C in an inert atmosphere. It is also self-lubricating, so it does not require the use of gas or water molecules trapped between its layers. Because of this, boron nitride ceramic parts can be used in a vacuum, which is essential for aerospace applications.
Hot pressed boron nitride ceramic rod

Hot pressed boron nitride ceramic rod could withstand higher temperature in vacuum than lower purity and composite boron nitride products. However, the composite materials generally enhanced mechanical properties such as bending strength, and the high temperature performance in air.Due to the low wetability with metals, boron nitride rod is an ideal material for metal melting works, especially for high purity material metal in vacuum.

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