KappAloy™ Tin-Zinc Solders for Aluminum-to-Aluminum and Aluminum-to-Copper
KappAloy™ Tin-Zinc solder is designed specifically for Aluminum-to-Aluminum and Aluminum-to-Copper soldering. KappAloy™ is also commonly used to spray and seal capacitors, and is especially applicable in high voltage and power switching applications. It has good corrosion resistance and tensile strength. Melting range begins at 390°F (199°C) and lies between soft solder and Silver brazing alloys, thereby avoiding damage to critical electronics and substrate deformation and segregation. Forms are available for dip and furnace soldering, torch and iron, spray guns and rub tinning.
Benefits and Uses
Used to join electrical/electronic wires and Copper fittings, heating panels, high voltage components & sound equipment. Used in spray wire form to spray molds, patterns, capacitors, trophies, and for ultrasonic soldering.
KappAloy9™ - 91%Sn - 9%Zn - 390°F (199°C) eutectic alloy is the best solder for Aluminum wire to Copper busses or Copper wire to Aluminum busses or contacts. Its low eutectic melting point minimizes heating of critical electrical/electronic parts.
KappAloy15™ - 85%Sn - 15%Zn – has a wider plastic range of 390°F - 500°F (199°C - 260°C). This makes it ideal for hand soldering Aluminum plates and parts to Aluminum and Copper, allowing manipulation of the parts as the solder cools.
Other Tin – Zinc alloys - 80%Sn - 20%Zn, 70%Sn - 30%Zn and 60%Sn - 40%Zn – are used extensively in spray wire form for capacitors and other electronic parts. Benefits include higher tensile strength and higher temperature tolerances than KappAloy9™.
The following chart represents standard KappAloy™ Tin-Zinc alloys. Many factors, such as materials, temperature, and method of application determine the solder joint strength and characteristics. Call Kapp for engineering assistance to discuss your specific needs. We recommend testing appropriate alloys in your specific application to ensure suitability. Samples of Kapp alloys are always available upon request.
|Sn||Zn||Pb||Cd||Ag||Cu||Sb||C°||F°||RFQ||Wire||Ribbon||1/4" x14"||1/8" x18"||Handy Vials|
|Sn=Tin, Zn=Zinc, Pb=Lead, Cd=Cadmium, Ag=Silver, Cu=Copper, Sb=Antimony|
- Diameters from .031" (1/32" and .8mm) to .187" (3/16" and 4.75mm).
- Spool sizes: 1 lb., 5 lbs., and 25 lbs. Also available in convenient 18" X 1/8" rods.
- spray wire Pay-out Paks: 250 lbs. or 500 lbs* of reverse wound continuous wire
*Kapp does not recommend 500 lbs. payout paks for wire sizes smaller than 1/8" (.125”) due to wire deformation in transit
- RegBar – nominally 1 lb. each - Molds are 13.5" L x 0.75" W x 0.5" D with oval ends.
- 2 Lb. Bar - 2+ lbs. each - Molds are 10.5" L x 1" D, 1.5" W tapering to 1".
- Notch Bar - 6+ lbs. each - Molds are 11" L x 2.25" W x 1.25" D with 4 notches, 5 sections per bar.