Product name | White mica sheet | Golden mica sheet | Test standard | ||||||
Ordinary | Smooth surface | Ordinary | Smooth surface | ||||||
Mica content% | ≥90 | ≥90 | ≥90 | ≥90 | IEC60371-2 | ||||
Gum content% | ≤10 | ≤10 | ≤10 | ≤10 | IEC60371-2 | ||||
Density g/cm3 | 1.7-2.35 | 1.7-2.35 | 1.7-2.35 | 1.7-2.35 | IEC60371-2 | ||||
Temperature resistance | Continuous temperature resistance (ºC) | 500 | 500 | 600 | 600 | / | |||
Intermittent temperature tolerance (ºC) | 800 | 800 | 1000 | 1000 | / | ||||
Thermogravimetry | 500ºC % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | IEC60371-2 | |||
700ºC % | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 | IEC60371-2 | ||||
Bending strength N/mm2 | ≥200 | ≥230 | ≥150 | ≥200 | ISO 178 | ||||
Tensile strength N/mm2 | 140-150 | 140-150 | 100-110 | 100-110 | ISO 527 | ||||
Water absorption 24h/23ºC % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ISO 62 | ||||
Dielectric strength Kv/mm | >20 | >20 | >20 | >20 | IEC60243 |