Weld metal is a mixture of copper oxide and aluminum and contained in portable, plastic tubes. Each tube contains the starting powder with weld metal on top. These containers are packaged in polyethylene boxes. Cartridges used to make the weld connection-packaged with the starting powder at the bottom and ignitors for each cartridge. #45 Shots come in cases of 20 per box.
*Weld metal containers can be handled and stored safely. The welding metal cannot ignite spontaneously.