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