Xiamen Mascera Technology Co., Ltd.

China Manufacturer with main products: Alumina Ceramic, Zirconia Ceramic, Boron Nitride, Silicon Nitride, Ceramic Cutting Blade, Ceramic Component, Ceramic Grinding Media, Ceramic...

Home >Products Catalog > Hot Pressed Boron Nitride > High Thermal Conductivity Hot Pressed Boron Nitride Ceramic Bush Bushing

High Thermal Conductivity Hot Pressed Boron Nitride Ceramic Bush Bushing

FOB Price:	1.00 - 100.00 USD/Piece
Supply Ability:	5,000 Piece(s) per Month
Shipping:	15-20 days after payment
Payment Terms:	T/T, Western Union

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Product Details

Export Markets:	North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin:	Fujian in China
Packaging Details:	wooden case or carton box with foam

Quick Details

Chemical Composition: 99% Boron Nitride
Dimensions: customized
Shape: bushing/tube/ring
Application: vacuum or inert gas environment
Brand Name: MASCERA
Model Number: MASCERA014
Color: Light Grey
Density: 1.95-2.0/g/cm3

Specifications

Boron Nitride has the highest operating temperature in inert gas and vacuum environment. It has excellent electrical insulation, high thermal conductivity, low thermal expansion coefficient, excellent thermal shock resistance, it is usually used for electrical insulating components for vaccum furnace. It can be used as metal smelting crucibles because it will not react with most molten metals. Moreover, Boron Nitride can be quickly machined into high accuracy components by the normal mechanical machining methods.

Main Advantages:

Excellent thermal shock resistance
High electrical resistivity
Low density
High thermal conductivity
Corrosion resistant
Good chemical inertness
High working temperature
Low coefficient of friction
Non-wetting (without oxidization)
High dielectric breakdown strength
Easy to machine with normal metal tools

Technical details:

Material Type		BN-99	BN + Ca	BN + Al2O3	BN + ZrO2	BN + AlN
Binder		B2O3	CaB2O4	AlBO3	B2O3	AlBO3
Density (g/cm3)		1.95-2.0	2.0-2.1	2.25-2.35	2.9-3.0	2.5-2.6
Flexural Strength (Mpa)		30	35	85	120	110
Compressive Strength (Mpa)		58	70	150	200	185
Electrical Resistivity (Ω.Cm)		>1014	>1013	>1012	>1012	>1013
Max Working Temperature(℃)	Air	900	900	1000	1000	1000
	Inert gas	2100	2100	1700	1800	1800
	Vacuum	1900	1900	1700	1800	1800
Thermal Conductivity (W/mk)		30	32	35	30	55
Thermal Expansion Coefficient (25 - 1000℃) (10-6/k)		1.5	1.6	1.9	6.0	3.0
Typical Application		High Tempereture Furnace	High Temperature Furnace	Powder Metallurgy	Metal Casting	High Temperature Equipment

Typical Applications of 99% Boron Nitride:

Heat treatment fixtures
Nozzles for transfer or atomization
High temperature or high voltage electrical insulators
Vacuum furnace supporters which require electrical resistivity
Crucibles or containers for high purity molten metals
Break rings for continuous casting of metals

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