Thickness mm 0.11 ± 0.012 Width mm 5-900 Volatilization % ≤0.8 Scone content g/m² 21 ± 1 Mica content g/m² 100 ± 3 Glass content g/m² 32 ± 1 Tensile strength kgf/15mm ≥16 Total substance g/m² 153 ± 10 The temperature rating is no less than 850°C × 90min 1.2kv