A great variety of main fillings are used by the British. The most common, however, are the following: Amatol for GP, MC, and HC types; TNT for SAP; and "Shellite" for AP bombs. RDX TNT combinations are also commonly employed in MC and HC bombs. Current fillings are 60/40 Amatol for HC bombs, and desensitized Pentolite or RDX TNT for all others.
OP 1665, British Explosive Ordnance (1946)