A review, with 69 refs., of properties of high-calorific Zr-BaCrO(4) and Fe-KCIO(4) mixt. used as compressed pellets was given. The gas-emittivity, caloric values, burning rate and temp., Ignition sensitivity, storage durability as well as moisture and additive-resistance of the mixts. were taken into consideration. Role of Mo addition as well as the behavior of KCIO(3) and Fe powder in the mixts. was discussed in particular.