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Formula: BeO 99.5
Form: Foil
Material: Beryllium Oxide
CAS Number: 1304-56-9
Commodity: Ceramics
Hazard Pictogram:
GHS06,GHS08
Beryllium Oxide sheets are rigid and brittle ceramic sheets with high thermal conductivity, electrical resistivity and low dielectric loss. Available in 13 variations, they are used in high performance electronic substrates and thermal management applications where electrical insulation, thermal dissipation and mechanical stability are required. The variety of sizes and purities available from Goodfellow allows Beryllium Oxide sheets to be customized for different applications.
Acute toxicity
Serious health hazard
Tolerances
Foil
| Thickness | ±20% |
|---|
Material Properties for Ceramics
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Fair |
| Alkalis | Fair |
| Halogens | Fair |
| Metals | Good |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant | 6.5-7.5 |
| Dielectric strength( kV mm⁻¹ ) | Oct-14 |
| Volume resistivity( Ohmcm ) | >10¹⁴@25 |
Physical Properties
| Element | Value |
|---|---|
| Apparent porosity( % ) | 0 |
| Water absorption - saturation( % ) | 0.07 |
| Density( gcm⁻³ ) | 2.86 |
Thermal Properties
| Element | Value |
|---|---|
| Upper continuous use temperature( C ) | 1800-1900 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1020-1120@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 260-300@20°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 8.4-9@20-1000°C |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 340-400 |
| Hardness - Vickers( kgf mm⁻² ) | 1100-1300 |
| Shear strength( MPa ) | 180-250 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 1550-1850 |
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Yttria-stabilized Zirconia Sheet (5% Yttria) Formula: ZrO₂/Y₂O₃
Thickness: 1mm
Length 1: 25mm
Length 2: 25mm
Stabilised With: 5% Yttria
CAS Number: 114168-16-0
UOM Code: 128-868-36
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X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
eachStarting at $660.35
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Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-64-4
UOM Code: 000-446-82
eachStarting at $0.00
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Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
eachStarting at $0.00
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Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
UOM Code: 004-371-61
eachStarting at $0.00
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Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at $0.00
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