SELF-EXTINGUISHING AND NON-DRIPPING THERMOPLASTIC COMPOSITONS FOR MOLDING ARE PROVIDED COMPRISING A NORMALLY FLAMMABLE POLYPHENYLENE ETHER RESIN AND STYRENE RESIN OR AN AROMATIC POLYCARBONATE RESIN AND A FLAME RETARDANT COMBINATION OF UP TO 6 PARTS OF HEXABROMOBENZENE PER 100 PARTS OF RESIN AND AN ANTIMONY COMPOUND, THE WEIGHT RATIO OF ANTIMONY TO BROMINE BEING SUFFICENT TO PREVENT DRIPPING DURING IGNITION AND BEFORE SELF-EXTINGUISHMENT OPTIONALLY, IT IS BENEFICIAL TO INCLUDE A MINOR AMOUNT OF AN AROMATIC PHOSPHATE COMPOUND.