Miedziankit is a Polish

explosive An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. An expl ...

. It consists of 90%

potassium chlorate Potassium chlorate is a compound containing potassium, chlorine and oxygen, with the molecular formula KClO3. In its pure form, it is a white crystalline substance. After sodium chlorate, it is the second most common chlorate in industrial use. It ...

and 10% kerosene. Miedziankit was developed by Polish chemist and patented by him in 1909. It was widely used in Germany, Poland, and Russia in the years around World War I, when nitrate-based explosives were needed for the war effort. It is a Sprengel explosive and can be prepared just before use by soaking chlorate cartridges in kerosene. Alternatively, it can be mixed at the factory, using kerosene with a high enough

flash point The flash point of a material is the "lowest liquid temperature at which, under certain standardized conditions, a liquid gives off vapours in a quantity such as to be capable of forming an ignitable vapour/air mixture". (EN 60079-10-1) The fl ...

(above 30°C) to make the explosive safe for transport. When pressed in an iron tube to a density of 1.7 g/cm³, Miedziankit has a detonation velocity of 3000 m/s.

References

Binary explosives {{Explosive-stub