Specification of

Exothermic Welding Powder 90PLUS F20 is a mixture of high quality copper oxide and aluminum - the initial powder is compacted at the bottom of each cartridge with weld metal at the top, the initial powder is released by pressing the bottom of the cartridge firmly. Exothermic Powder Cu-nnect powder is not explosive exothermic welding, shock sensitive or exposed to spontaneous ignition.