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Quick Details
Specifications
Features:
This product is a special filling for SF6 high voltage composite apparatus and other insulation pieces applied in high voltage switches produced by epoxy casting. The granularity has reasonable distribution, small specific surface area, high filling amount and superior casting performance. The isolating, electromechanical and high voltage breakdown resistant properties can reach the performance index of the same product NM-1 inJapan.
Main Technical Parameters of TM-FA Series a-Alumina for Epoxy Casting:
|
Type Index |
TM-FA1 |
TM-FA2 |
|
AL2O3>= (%) |
99.7 |
99.7 |
|
Na2O<=(%) |
0.02 |
0.02 |
|
SiO2<=(%) |
0.06 |
0.06 |
|
Fe2O3<=(%) |
0.03 |
0.03 |
|
True Density>= (g/cm3) |
3.97 |
3.97 |
|
Median Size (um) |
12.0 |
18.0 |
|
Specific Surface Area (m2/g) |
0.4-0.5 |
0.4-0.5 |
|
Electrical Conductivity<=(us/cm) |
40 |
40 |
|
Oil Absorption Rate<=% |
0.01 |
0.01 |
|
PH value |
7.5-8.5 |
7.5-8.5 |
|
Initial Viscosity (cp) |
<=2500 |
<=2000 |
|
Working Time(min) |
60~90 |
60~90 |
|
Packing Quantity(Phr) |
350 |
350 |