Sil pad k6 thermally conductive puncture resistant insulating material bergquist bg70303 these thermal pads from bergquist are designed to resist puncturing due to burrs or high pressures when mounting semiconductor devices to heatsinks constructed from kapton and a thermally conductive elastomer coating loaded with aluminium oxideboron nitride applied to both sides k6 couples high dielectric strength with a no grease no mess method of assembly bergquist bg70303 pk10 sil pad k6 thermal p