Tm-fa Series A-alumina For Epoxy Casting

Our expertise allows us to offer optimum quality range of TM-FA Series a-Alumina for Epoxy Casting to our valuable customers.
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 in Japan.
Main Technical Parameters of TM-FA Series a-Alumina for Epoxy Casting:
Type:-
IndexTM-FA1TM-FA2
AL2O3>= (%)99.799.7
Na2O<=(%)0.020.02
SiO2<=(%)0.060.06
Fe2O3<=(%)0.030.03
True Density>= (g/cm3)3.973.97
Median Size (um)12.018.0
Specific Surface Area (m2/g)0.4-0.50.4-0.5
Electrical Conductivity<=(us/cm)4040
Oil Absorption Rate<=%0.010.01
PH value7.5-8.57.5-8.5
Initial Viscosity (cp)<=2500<=2000
Working Time(min)60~9060~90
Packing Quantity(Phr)350350