Sun Shade Sail Canopy Rectangle Sand UV Block Sunshade For Backyard Deck Outdoor. It also used for arc welding and filling material for pure aluminum, connection with aluminium bus and guide rod of electrolytic aluminium plant and electric power, chemistry, food and so on.

Pure Ni Plate Nickel Strip Tape For Li 18650 Battery Spot Welding 0.1mm - 0.2mm. No solder powder needed-- there is no need to use other flux powder with aluminum alloy as the welding core and coating as the salt base.