| 云母紙 | 檢測方法 | HP-5白云母 | HP-8金云母 | |
| 膠含量 % | - | ≤12 | ≤12 | |
| 密度g/cm3 | IEC371-2 | 2.0-2.35 | 2.0-2.35 | |
| 熱失重 | 連續(xù)耐溫 ℃ | - | 500 | 850 | 
| 間歇耐溫 ℃ | - | 850 | 1050 | |
| 熱失重 | 500℃ % | - | <1 | <1 | 
| 700℃ % | - | - | <2 | |
| 吸水率 24h/23°C % | - | <0.5 | <0.5 | |
| 耐火級別 | UL94 | 94V-0 | 94V-0 | |
| 介電強(qiáng)度 | 20°C kV/mm | IEC243 | >20 | >20 | 
| 400°C/ 1 hour, tested at 20°C kV/mm | IEC243 | 13 | 13 | |
| 600°C/ 1 hour, tested at 20°C kV/mm | IEC243 | 10 | 10 | |
| 抗電阻性能 | 20°C ohm.cm | IEC93 | 1016 | 1016 | 
| 400°C ohm.cm | - | 1012 | 1012 | |
| 500°C ohm.cm | - | 109 | 109 | |