3M™ Thermally Conductive Silicone Interface Pads 5516 and 5516S are designed to provide a preferential heat transfer path between heat generating components and heat sinks, heat spreaders or other cooling devices. These products consist of a highly conformable slightly tacky silicone elastomer sheet filled with thermally conductive ceramic particles. Interface Pad 5516S- removable film liner/permanent polymeric film carrier.