It is clear and oil free high effective thermally conductive insulation material. It can attain the conductive heat and insulation by replacing silicone grease, ceramic wafer, and mica. And now, there are complete series for satisfying the need of consumers. Physical Character Index: PHYSICAL CHARACTER UNIT DATA TESTING WAY Thickness Inches mm 0.25-0.8mmT ASTM D374 Hardness(Shore Type A) ------ 75? ASTM D2240 Specific Gravity g/cc 1.6 ASTM D792 Tear Strength kgf/cm2 >6.7 ASTM D1458 Elongation % >140 ASTM D412 Thermal Impedance TO-220 Test@50PCS C-in2/w 0.9 ASTM D5470 Flame Rating ------ V-0 UL-94 Volume Resistance .cm 1011 ASTM D257 Thermal Conductivity W/m-k 1.2 ASTM D5470 Voltage Breakdown Vac KV >4 ASTM D149 Continuous Use Temperature -50~200 ------ Function:insulation,thermal conductivity, anti-fire Application Scope:TV setcomputer,switcher, electric supply devices,aluminum thermal radiator, fan etc.We can design and manufacture them as per the customers' requirements.