Sil pad k 10 thermally conductive puncture resistant insulating mmaterial bergquist spk10 0 006 00 104 sil pad k 10 from bergquist is a high performance kapton based insulator that combines a special film with a filled silicone rubber the result is a thermal pad with excellent electrical performace that is puncture resistant and has good mechanical properties bergquist spk10 0 006 00 104 pk5 sil pad k10 to3p dry