Home › Soldering And Welding › Aluminum Solder (Mouray ammoniac borax balsam)

Aluminum Solder (Mouray ammoniac borax balsam)

Mouray ammoniac, 6 borax, 5 balsam copaiba. One employs five different solders, being different of the pieces is to be heated red, carefully proportions of zinc, copper, and aluminum. cleaned of scale, the composition is to be The copper is melted first, the aluminum is spread upon it, and the other piece applied then added in 3 or 4 portions; when the whole at a white heat and welded with the hammer. is melted, it is stirred with an iron rod. The 3526. Welding Composition. Fuse crucible is then withdrawn from the fire, the borax with its weight sal-ammoniac, cool, zinc gradually stirred into the mass, and the pulverize, and mix with an equal weight of whole poured into ingot shaped moulds, previously wiped out with benzine. The parts given in the following proportions are by quicklime, when it is to be sprinkled on the red hot iron and the latter replaced in the fire. weight. 1.-80 parts zinc, 8 parts copper, 12 parts aluminum. " " " " “