Consists of muscovite or phlogopite mica paper
Impregnated with specially selected epoxy resin
Hard dense mica plate for segments, separators, and spacers
Good electrical property, mechanical strength and excellent moisture resistance
Can be sawed, sheared and punched into intricate shapes
Because of its superior uniformity, automatic feeding and stacking are possible
High speed assembly operations
Specification:
Sheets: 1000 x 600mm and 1000 x 1200mm
Strips and cutting in shapes according to drawing
Thickness: 0.4 to 1.5mm
Mica | Muscovite | Phlogopite | Test procedures |
Mica content % | 90 | 90 | IEC371 |
Bond content % | 10 | 10 | IEC371 |
Density g/cm3 | 2.15 | 2.15 | IEC371 |
Heat Resistance | Continuous service C | 500 | 700 | |
Intermittent service C | 800 | 1000 | |
Flexural strength N/mm2 | >200 | >150 | GB/T5019 |
Water absorption % | <0.5 | <0.5 | GB/T5019 |
Dielectric strength KV/mm | >20 | >20 | IEC243 |
Insulation resistance | 23 C ohm.cm | >1017 | >1017 | IEC93 |
500 C ohm.cm | >1012 | >1012 | IEC93 |
Heat loss | at 500 C % | <1 | <1 | IEC371 |
at 700 C % | | <2 | IEC371 |