Afrox Alumoid Is A 12% Silicon Aluminium Arc Welding Electrode With Exclusive Self Lifting Slag;It Is Designed For Arc Welding; Wrought And Cast Aluminium Alloys; Alloyed With Copper; Silicon And Magnesium; Also Excellent For Joining Dissimilar Grades Of Aluminium; Can Also Be Used As A Torch Brazing Alloy.