|   Characteristic  |    Unit  |    SGF  |    
 Standard test  |  
|   Color  |    -  |    Grey or customized  |    Visual inspection  |  
|   Thickness  |    mm  |    0.5 to 9.0  |    ASTM D374  |  
|   Thermal Conductivity  |    W/m·K  |    0.6  |    ASTM D5470  |  
|   Hardness  |    Shore 00  |    20  |    ASTM 2240  |  
|   Flame retardancy  |    -  |    UL94V0  |    /  |  
|   Volume resistivity  |    Ω·cm  |    2.3x1013  |    ASTM D257  |  
|   Operating temperature  |    ℃  |    -55 to 200  |    ASTM D150  |  
|   Density  |    g/cm3  |    1.4  |    ASTM D257  |  
|   Scaling rate  |    KPa  |    168  |    ASTM D412  |  
|   Compression ratio  |    m2/N  |    79%  |    AMTP-111  |  
|   Breakdown voltage  |    VAC  |    0.5T≥4000V 1.0T≥8000V  |    ASTM D149  |  
|   Service Life  |    Year  |    5-8  |    SZQA2019-2  |  
|   Total Mass Loss  |    %  |    0.2  |    ASTM E595  |  
|   Dielectric constant  |    MHz  |    2.5  |    ASTM D150  |