Alumina Rods for flame spraying AR-01
General information
Prorerties - High Electrical Resistive, Stability At High Temperatures
Applications - High Temperatures Strain Gages, Suitable for use in equipment Rokide®
Available ROD sizes - 99.7% Al2O3, Diameter: 6.25mm ±0.1mm, length: 620 mm
Download datasheet
SPRAY PARAMETERS
|
Acetylene |
Pressure: 15 psi (∼0.1 MPa) |
Ball Height: 60+ SCFH |
|
Oxygen |
Pressure: 90 psi (∼0.6 MPa) |
Ball Height: 90+ SCFH |
|
Air |
Pressure: 80 psi (∼0.55 MPa) |
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|
Standoff Distance |
4 inches (10 cm) |
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|
Rod Speed |
4-5 in/min (10-13 cm/min) |
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|
Lay Down Rate |
0.5 Lbs/hr (0.23 Kg/hr) |
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|
Deposit Efficiency |
78% |
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PACKAGING
|
Rod Type |
6.25mm ±0.1mm, |
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Rods Packaged in tubes |
100 rods |
|
Tube weight |
5.5 Kg |
COATING FEATURES
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PHYSICAL |
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Color |
White |
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Total porosity |
10.4 % |
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Bulk Density |
3.2 g/cm³ |
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Crystal Phase |
Gamma Alumina |
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MECHANICAL |
|
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Coating Hardness |
750 Vickers/DPH |
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Bond Strength |
26 MPa |
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ELECTRICAL |
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Conductivity |
Nonconductor |
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Dielectric Strength |
(AC Volts/mil Thk.) 0.005" Thk. - 160 |
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Dielectric Constant |
10 at −18 °C до +316 °C |
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Dissipation Factor |
0.05 at −18 °C до +316 °C |
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Loss Factor |
0.5" |
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THERMAL |
|
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Coefficient of Expansion |
7.38 × 10⁻⁶ from 21–1232°C⁻¹ |
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Melt Temperature |
approx. 2000 ° |
