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Formula: BeO 99.5
Form: Disk
Material: Beryllium Oxide
CAS Number: 1304-56-9
Commodity: Ceramics
Hazard Pictogram:
GHS06,GHS08
Beryllium Oxide Disk are ceramic disks with excellent thermal conductivity and electrical resistivity, making them ideal for applications in electrical and thermal management components. We offer these disks in a choice of sizes to suit different design needs. With their unique properties, Beryllium Oxide disks can be used in high-power electronic devices and in aerospace applications where effective heat dissipation is critical.
Acute toxicity
Serious health hazard
Tolerances
Disk
| 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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Percentage Purity: 99.8%
Thickness: 0.1µm
Diameter: 25mm
Area Density: 60.8µg/cm²
Support: Permanent Mylar® 3.5µm
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UOM Code: 216-971-06
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Percentage Purity: 99.95%
Thickness: 0.25µm
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Molybdenum Thin Film Disk Formula: Mo
Percentage Purity: 99.9%
Thickness: 0.1µm
Diameter: 10mm
Area Density: 92.4µg/cm²
Support: Permanent Mylar® 3.5µm
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Zirconium Thin Film Disk Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.075µm
Diameter: 10mm
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Iridium Thin Film Disk Formula: Ir
Percentage Purity: 99.9%
Thickness: 0.1µm
Diameter: 10mm
Area Density: 224µg/cm²
Support: Permanent Mylar® 3.5µm
CAS Number: 7439-88-5
UOM Code: 636-983-05
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Platinum Thin Film Disk Formula: Pt
Percentage Purity: 99.99%
Thickness: 0.1µm
Diameter: 25mm
Support: Permanent Mylar® 0.5µm
CAS Number: 7440-06-4
UOM Code: 148-547-56
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