It is an amazing and unique brazing for soldering ALUMINIUM-COPPER AND ITS ALLOYS at a low temperature of 510°C (950°F), with not risks of damaging the base metal, making strong joints with an excellent fluidity, capillarity and resistance. This kind of alloy is designed for joining non ferrous alloys containing bronze, brass and copper to aluminum for gas and refrigeration use, such as capillaries, thermocouples and pipelines. Easy application at a low temperature, with an excellent fluidity, capillarity and moisture. It has superior resistance which make it versatile and unique.
TYPICAL APPLICATIONS: The whole refrigeration, air conditioning and automotive industry: capillaries joints, wires and pipelines, automotive industry, motorcycles and ships. All kinds of evaporators, radiators, condensers in refrigeration and air conditioning. Thermocouples, carpentry in aluminum: bases, frameworks, propellers, cranks, rims, bombs, dies, etc.
PROCEDURE: Remove all the dirt, grease and oxide from the soldering area, clean perfectly and apply flux AL. 100 on the base metal and preheat it. Then, move the gas welding torch constantly, between 3 to 7 centimeters from the base metal. Try that both pieces are equally warm until the flux liquefies. Rub the rod over the flux until it melts down and keep it warm until the welding fluxes with moisture and capillarity. The joints can be between 0, 20 mm and 0, 30 mm for a better capillarity. Let cool down the pieces to avoid residual tensions. The SILVERING AL.-CU. joints can be cleaned easily with water and a metallic brush.
ADVICE: Must have good ventilation, use dark glasses with filter to solder, protect face, hands and skin. This flux is corrosive. Do not try to cool down the joints with water, the coefficients of expansion and contraction of copper and aluminum are so different and this can break the joint.
CHARACTERISTICS: Welding of great versatility and performance, specially designed for aluminum joints containing copper, bronze, or brass. For better results, leave a gap between the joins of about 0, 20 mm to 0, 30 mm, so it can flow freely. The joints are made at a low melting point of 510°C (950°F), good elasticity and excellent resistance at 29.000 PSI, Brunel hardness of 58 HRC; this welding does not applies for ferrous metals such as steels, irons, smelting, stainless, etc.
Excellent resistance to oxide/corrosion, great elasticity. Must deal with the corrosion risk between copper and aluminum.
PRESENTATION: 1/16”, 3/32” AND 1/8” diameters.
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