Composition H6 is a castable military explosive compound composed of the following percentages by weight: * 45% RDX * 30% TNT * 20% powdered aluminium * 5% paraffin wax as a phlegmatizing agent. Another (very similar) version of H6 has the following proportions: RDX (including Nitrocellulose, Calcium Chloride and Calcium Silicate) 45.1%, Trinitrotoluene 29.2%, powdered Aluminium 21% and 4.7% paraffin wax & Lecithin.