Rigid mica sheet
High performance mica plate for heating equipment consists of Pamica® mica paper, impregnated with high temperature resistance silicone resin after melting and laminating process.
Properties：
- Excellent high temperature resistance
- Perfect electrical performance
- Good mechanical strength
- Corrosion resistance
- Safe and non-toxic
- Asbestos substitute
- Good machining performance
| Type | Item | Feature |
| PB5662 | Rigid Muscovite Mica Sheet | |
| PJ5662 | Rigid Phlogopite Mica Sheet | |
| PB5662-W | Low Smoke Rigid Muscovite Mica Sheet | low bond content |
| PJ5662-W | Low Smoke Rigid Phlogopite Mica Sheet | low bond content |
| PB5662-H | High Bond Content Muscovite Mica Sheet | High bond content, high density, high strength |
| PJ5662-H | High Content Rigid Phlogopite Mica Sheet | High bond content, high density, high strength |
| PB5662-G | Smooth Surface Rigid Muscovite Mica Sheet | Smooth surface |
| PJ5662-G | Smooth Surface Rigid Phlogopite Mica Sheet | Smooth surface |
| PB5531 | Epoxy Muscovite Mica Sheet for Commutator | Good electrical properties |
| PJ5531 | Epoxy Phlogopite Mica Sheet for Commutator | Good mechanical strength |
| Type | PB5662 | PB5662-W | PB5662-H | PJ5662 | PJ5662-W | PJ5662-H | Test Standard | |
| Mica content % | ≥90 | ≥92 | ≥88 | ≥90 | ≥92 | ≥88 | IEC60371 | |
| Bond content % | ≤10 | ≤8 | ≤12 | ≤10 | ≤8 | ≤12 | IEC60371 | |
| Density g/cm3 | 1.7-2.25 | 1.7-2.25 | 1.7-2.35 | 1.7-2.25 | 1.7-2.25 | 1.7-2.35 | IEC60371 | |
| Temperature Resistance | Continuous ℃ | 500 | 500 | 500 | 700 | 700 | 700 | IEC60371-2 |
| Intermittent ℃ | 800 | 800 | 800 | 1000 | 1000 | 1000 | -- | |
| Heat loss | at 500 ℃ % | ≤1 | ≤1 | ≤2 | ≤1 | ≤1 | ≤2 | EC60371 |
| at 700 ℃ % | ≤2 | ≤1.5 | ≤3 | ≤2 | ≤1.5 | ≤3 | EC60371 | |
| Flexural strength N/mm2 | ≥160 | ≥120 | ≥180 | ≥140 | ≥100 | ≥160 | GB/T5019 | |
| Water absorption 24h/23 ℃ % | ≤1 | ≤2 | ≤0.5 | ≤1.5 | ≤2.5 | ≤1 | GB/T5019 | |
| Dielectric strength Kv/mm | ≥20 | ≥18 | ≥20 | ≥20 | ≥18 | ≥20 | IEC60243 | |
| Volume resistivity Ω/m | ≥1010 | ≥1010 | ≥1010 | ≥1010 | ≥1010 | ≥1010 | IEC6093 | |
| Thermal conductivity (W/m.K) | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | ASTM D5470-17 | |
| Temperature resistance Class | 94V-0 | 94V-0 | 94V-0 | 94V-0 | 94V-0 | 94V-0 | UL | |
Remark: The technical data of PB5662-G is the same as PB5662
Note: These technical data are average results of laboratory tests conducted under standard procedures and are subject to variations, and do not
constitute a warranty or representation for which we assure legal responsibility.
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