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99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible
  • 99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible
  • 99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible
  • 99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible
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Basic Info

Model No.:  RY-PBN-0001

Product Description Model NO.: RY-PBN-0001 Type: Solid Material: Ceramic Maximum Voltage: 20KV~100KV Certification: ISO9001, SGS Product: Hot Pressed Boron Nitride Origin: China Application: Insulators, Insulating Varnish Chemistry: Pyrolytic Boron Nitride Thermal Rating: 900-2200 Classification: Hybrid Insulation Materials Color: White Specification: 100-500cc HS Code: 8547100000 99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible
Boron Nitride (BN) is a white, low porosity refractory material with physical and mechanical properties similar to Graphite. However, unlike Graphite, Boron Nitride has high thermal conductivity and good thermal shock performance. The most common formulation of Boron Nitride contains boric oxide, which can cause Boron Nitride to absorb moisture, resulting in swelling and property degradation.   It is produced in a hot pressed form and the resulting material properties are anisotropic relative to the press direction. In fact, the material properties can vary considerably depending on the direction or the grade of the material. Futhermore, it is easily machined into complex shapes using standard carbide tooling. The operation temperatures range from 900°C for oxidizing environments to 2200°C for inert environments.TECHNICAL PROPERTIES

Type

99BN

CBN

ABN

ZBN

Main Content

BN>99%

BN>98.5%

BN+AlN

BN+ZrO2

Binder

B2O3

CaB2O6

ALBO3

B2O3

Density    (g/cm3)

1.95-2.0

2.0-2.1

2.6

2.95

Flexural Strength    (Mpa)

30

100

200

200

Compressive Strength    (Mpa)

100

280

350

380

Electrical Resistivity    (ohm.cm)

>10^14

>10^13

>10^14

>10^12

Max. Working Temp.    (°C)
air

900

900

900

1000

Max. Working Temp.    (°C)

inert gas

2400

2400

2100

1800

Max. Working Temp.    (°C)
vacuum

2200

2200

1900

1800

Thermal Conductivity    (W/m.K)

20

35

50

30

Expansion Coefficient  25 - 1000 °C (10^-6/K)

1.5

2

4.5

2.5


99.99% Pyrolytic Boron Nitride Lec Pbn Crucible Ceramic Crucible

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