EUTECTIC MICRO FLOW FINE POWDERED METAL SPRAY / WELD EUTALLOY BRONZE TEC 10180.Made in Endland product. The principle of surfacing alloying using specially formulated Eutectic powders which alloy the base metal in one simple operation using Eutalloy oxy.acetylene hopper gun with special bayonet fitting on top of torch.High strength joining alloy for copper and copper base alloys.Deposit provide good corrosion resistance and excellent electrical conductivity in joints of the proper clearance Flame adjustment neutral to 3x carburisingl. Tensile strength 19 TSI. As seen in the photos this old stock has been well stored in dry conditions and comes in as seen in a plastic hopper where the powder can be seen pouring like 'sand in an hour glass' each 548 g total wt.