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High Purity BN Ceramic Crucibles For Sintering And Smelting Alloy Ceramics

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High Purity BN Ceramic Crucibles For Sintering And Smelting Alloy Ceramics

Brand Name : ZG

Model Number : MS

Certification : CE

Place of Origin : CHINA

MOQ : 1 piece

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 10000 pieces per month

Delivery Time : 3 working days

Packaging Details : Strong wooden box for Global shipping

Application : Industry Ceramic

Maximum Working Tempreture : 2100℃

Material : Boron Nitride

Density : 2.3-3.0g/cm3

Composition : BN>99%

Type : Customization

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High Purity Hot-Press Boron Nitride BN Ceramic Crucibles used for sintering and smelting alloy, ceramics, rare earth

Boron nitride belongs to the hexagonal system. Its structure is similar to graphite, and their properties are also similar. Therefore, it is also called " white graphite". It has good heat resistance, thermal stability, thermal conductivity, high temperature dielectric strength, and is an ideal heat dessipating material and high temperature insulatiing material. Mohs Hardness 2 can be processed into various shaped parts.

Performance

High purity, up to 99.7%, no adhesion, no pollution and long service life.
The highest operating temperature is 2100℃, with high and low temperature resistance to repeated impact and resistance to carbon corrosion.
Used for sintering and smelting alloy, ceramics, rare earth and other maerials.

The main products of Boron Nitride Ceramics

Hot pressing hexagonal boron nirtride ceramic and boron nitride composite ceramic, includes:

Insulation tubes, sleeve, and parts for vacuum furnace
nozzles for amorphous soft magnetic alloy spray tapes and metal powders gas atomization
horizontal continuous casting separation rings/crystal tubes
crucibles, composite ceramic molds
TiB2/graphite composite ceramic cathodes for electrolytic aluminum
graphite/BN ceramic composite evaporator boats for vacuum evaporation and aluminum plating
large and medium-sized vacuum hot pressing furnaces
large size hot pressing molds, etc.

Boron Nitride Nozzle Basic Information & Materials

Typical Properties	BN-H	BN99	BN-Ca	BN-A	BN-B	BN-C	BN-D	BN-E
Composition	hBN>99%	hBN>99%	hBN>98.5%	hBN+AL+SI	hBN+AL+ZR	hBN+SIC	hBN+ZrO₂	hBN+ALN
Binder	B₂O₃	B₂O₃	B₂O₃	B₂O₃+Al₂O₃+SiO₂	B₂O₃+Al₂O₃	B₂O₃	B₂O₃+Al₂O₃	B₂O₃+Al₂O₃
Color	White	White	White	White Graphite	White Graphite	Greyish-Green	White Graphite	Greyish-Green
Typical Density (g/cm³)	1.55~1.6	1.85~1.98	1.98~2.03	2.25~2.35	2.25~2.35	2.40~2.50	2.25~2.95	2.45~2.95
Thermal Properties
Max. Using Temperature (°C) In Air In Inert In Vacuum	900 2100 1900	900 2100 1900	900 2100 1900	1000 1750 1750	1000 1700 1700	1000 1700 1700	1000 1800 1800	1000 1800 1800
Thermal Expansion (RT·1000 °C ) (10-6/K)	1.5	1.5	1.5	2	2	2.8	3.5	2.8
Thermal Conductivity (W/mk)	15	35	35	30	30	40	30	85
Electrical and Mechanical Properties
Electrical Resistiity (Ω/cm)	>10¹⁴	>10¹⁴	>10¹⁴	>10¹³	>10¹³	>10¹²	>10¹²	>10¹³
Bending Strength (MPa)	28	30	30	65	65	80	90	90
Compressive Strength(MPa)	50	55	55	145	145	175	220	220
Typical Applications	high-temperature Vacuum	High-Temperature Vacuum	High-Temperature Vacuum	Powder Metallurgy	Powder Metallurgy	Powder Metallurgy	Metal Casting	Powder Metallurgy
lnlustratior for High-Temperature Furnace	✓	✓	✓	✓	✓	✓	✓	✓
Crucibles for Metal Evaporation	✓	✓	✓					✓
Parts for Melting Metals or Glass	✓	✓	✓	✓	✓	✓	✓	✓
Casting Mold for Metals or Alloys		✓	✓		✓
Support Parts for High-Temperature		✓	✓					✓
Pipes or Nozzles for Liquid Metal Handling		✓	✓	✓	✓	✓	✓	✓
Crucibles for Ceramic Sinter	✓	✓	✓		✓			✓

High Purity BN Ceramic Crucibles For Sintering And Smelting Alloy Ceramics

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