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  1. KappAloy9 - 1/16" x 10 feet Tube
    KappAloy9 - 1/16" x 10 feet Tube
    $15.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.062" (1.6mm) diameter x 10 ft in tube. VIEW PRODUCT
  2. KappAloy9 - 1/8" x 1/2 lb spool
    KappAloy9 - 1/8" x 1/2 lb spool
    $19.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.125" (3.2mm) diameter x 1/2 lb spool. VIEW PRODUCT
  3. KappAloy9 - 1/16" x 1/2 lb spool
    KappAloy9 - 1/16" x 1/2 lb spool
    $19.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.062" (1.6mm) diameter x 1/2 lb spool. VIEW PRODUCT
  4. KappAloy9 - .039" (1mm) x 14 feet Tube
    KappAloy9 - .039" (1mm) x 14 feet Tube
    $19.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.039" (1mm) diameter x 14 ft in tube. VIEW PRODUCT
  5. KappAloy9 - 1/8" x 1 lb spool
    KappAloy9 - 1/8" x 1 lb spool
    $29.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.125" (3.2mm) diameter x 1 lb spool. VIEW PRODUCT
  6. KappAloy9 - 1/16" x 1 lb spool
    KappAloy9 - 1/16" x 1 lb spool
    $29.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.062" (1.6mm) diameter x 1 lb spool. VIEW PRODUCT
  7. KappAloy9 - .039" (1mm) x 1/2 lb spool
    KappAloy9 - .039" (1mm) x 1/2 lb spool
    $29.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.039" (1mm) diameter x 1/2 lb spool VIEW PRODUCT
  8. KappAloy9 - .039" (1mm) x 1 lb spool
    KappAloy9 - .039" (1mm) x 1 lb spool
    $39.50
    91Sn/9Zn for soldering Al to Al and Cu. High strength, minimum heat (390°F / 199°C) . Solid -.039" (1mm) diameter x 1 lb spool VIEW PRODUCT
  9. KappAloy9 Ribbon - .020" x .500"
    KappAloy9 Ribbon - .020" x .500"
    $39.50
    91Sn/9Zn Ribbon for soldering Al to Al and Cu plates. High strength minimum heat (390°F / 199°C) . Solid - .020" x .500" ribbon on 1 lb spool. VIEW PRODUCT

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KappAloy9™ Tin-Zinc solder is the standard for soldering Aluminum to Aluminum, Aluminum to Copper, and Aluminum to Brass. It is a soft, lower melting point Tin-Zinc solder eutectic at 390°F (199°C) offering good corrosion resistance and tensile strength. KappAloy9™ is designed to minimize the heat required while producing a consistently strong bond and retaining the physical properties of the dissimilar parts being joined. Its low melting point also minimizes the potential for heat damage to adjacent electrical/electronic components.

Applications

  • Aluminum wire to Copper busses or contacts
  • Copper wire to Aluminum busses or contacts
  • Join electrical/electronic wires and Aluminum fittings, heating panels, high voltage components, and sound equipment
  • Soldering thin Aluminum sheets, tabs, or wires to Aluminum or Copper connectors or wires
  • Working on Aluminum with heat sensitive material or components in close proximity
  • Used extensively in oven soldering and other automated soldering systems
  • Paired with Kapp Golden™ Flux

Properties

Composition

Sn (Tin):

91%

Zn (Zinc):

9%

 

Technical Data

Comments

Density:

7.27 g/cc (0.263 lb/in³)

 

Hardness, Brinell: 

21.5 @ Load 4.00 kg (21.5 @ Load 8.82 lb)

2mm ball

Tensile Strength, Ultimate: 

7930 psi (54.7 MPa)

 

Elongation at Break:

32.50%

 

Electrical Resistivity:

0.0000110 ohm-cm

 

Heat of Fusion:

71.2 J/g (30.6 BTU/lb)

 

Specific Heat Capacity: 

0.239 J/g-°C (0.272 J/g-°C); [0.0571 BTU/lb-°F (0.0650 BTU/lb-°F)]

Solid (Liquid)

Thermal Conductivity:

61.0 W/m-K @Temperature 85.0 °C (423 BTU-in/hr-ft²-°F @Temperature 185 °F)

 

Melting Range: 

Eutectic @ 199°C (390°F)

Eutectic

 

Product Variants

KappAloy9™ is available in standard forms:

  • 1/32” (0.031”) (0.8mm)
  • 1/16” (0.063”) (1.6mm)
  • 1/8” (0.125”) (3.2mm)

 

Custom alloys and forms are our specialty. Call Kapp to discuss what size and diameter are right for you.

 

Matching Kapp Golden™ Flux

Kapp Golden™ Flux has been designed specifically for soldering Aluminum to Aluminum and Copper. It is used on Aluminum to Aluminum or Aluminum to Copper wire pigtail splices, and for Aluminum to Copper, Brass or plated terminals and hot dip coating of Aluminum cable connectors to provide a low resistance contact surface. Residue is electrically conductive and slightly corrosive. Any flux residue should be removed with warm water or alcohol and a clean rag. Golden flux will char at temperatures above 550°F. DO NOT OVERHEAT FLUX.

 

Click here for KappAloy9™ Technical Data Sheet

 

Click here for KappAloy9™ Safety Data Sheet

 

Click here for instructions on how to use KappAloy9™

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