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  1. KappZapp4 Solid 1/16" x 10 Foot Tube
    KappZapp4 Solid 1/16" x 10 Foot Tube
    $29.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid .062" (1.6mm) diameter x 10 ft in tube. VIEW PRODUCT
  2. KappZapp4 Solid 1/32" x 14 Foot Tube
    KappZapp4 Solid 1/32" x 14 Foot Tube
    $34.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid 1/32" (0.8mm) diameter x 14 ft in tube. VIEW PRODUCT
  3. KappZapp4 Solid 1/8" x 1/2 lb spool
    KappZapp4 Solid 1/8" x 1/2 lb spool
    $49.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid .125" (3.2mm) diameter x 1/2 lb spool. VIEW PRODUCT
  4. KappZapp4 Solid 1/16" x 1/2 lb spool
    KappZapp4 Solid 1/16" x 1/2 lb spool
    $49.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid .062" (1.6mm) diameter x 1/2 lb spool. VIEW PRODUCT
  5. KappZapp4 Solid 1/32" x 1/2 lb spool
    KappZapp4 Solid 1/32" x 1/2 lb spool
    $59.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid 1/32" (0.8mm) diameter x 1/2 lb spool. VIEW PRODUCT
  6. KappZapp4 Solid 1/8" x 1 lb spool
    KappZapp4 Solid 1/8" x 1 lb spool
    $69.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid .125" (3.2mm) diameter x 1 lb spool. VIEW PRODUCT
  7. KappZapp4 Solid 1/16" x 1 lb spool
    KappZapp4 Solid 1/16" x 1 lb spool
    $69.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid .062" (1.6mm) diameter x 1 lb spool. VIEW PRODUCT
  8. KappZapp4 Solid 1/32" x 1 lb spool
    KappZapp4 Solid 1/32" x 1 lb spool
    $79.50
    High strength NSF certified 4% Silver solder for hand soldering Copper, Brass and Stainless. Slushy range (430 - 475°F / 221 - 246°C) for joint build up and adjustment. - Solid 1/32" (0.8mm) diameter x 1 lb spool. VIEW PRODUCT

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KappZapp4™ Tin-Silver solder is a NSF Certified Lead-free solid wire solder containing 4% Silver, offering improved tensile strength, shear strength, elongation, and conductivity over KappZapp3.5™. It provides a wider workable range of 430-475°F (221-246°C) to allow users to manipulate parts, while the solder is hardening. In many cases, a stronger overall assembly exists after joining with KappZapp4™ than with a higher temperature Silver brazing alloy process.

 

NSF International certifies that this product complies with NSF/ANSI Standard 372: Drinking Water System Components – Lead Content. Product also Certified to NSF/ANSI 61, Annex G and conforms with Lead content requirements for “Lead-free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act in effect as of January 4, 2014. Weighted average lead content < 0.25%; Solder and flux lead content < 0.20%. This alloy complies with the European RoHS and REACH directives. No lead, cadmium or mercury used in production.

 

 

Applications

  • Hand soldering Copper wires and tabs when the application could require more time to position the item being soldered
  • Electrical and electronic applications
  • Applying thin Copper and Stainless Steel wires to circuit boards
  • Typical uses include:
  • Electronics
  • Fabrication
  • Ducting
  • Food containers
  • Storage bins
  • Instruments
  • Copper plumbing pipe
  • Cooling coils for refrigerators
  • Paired with Kapp Comet™ Flux

 

Properties

Composition

Sn (Tin):

96%

Ag (Silver):

4%

 

Technical Data

Melting Range:

430-475°F (221-246°C)

Tensile Strength (Copper):

14,000 psi

Tensile Strength (Stainless):

28,000 psi

Shear Strength:

12,00 psi

Elongation:

49%

Electrical Conductivity:

16.5%

 

Product Variants

KappZapp4™ 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 a Kapp representative to discuss what size and diameter are right for you.

 

Matching Flux

Click here for KappZapp4™ Technical Data Sheet

 

Click here for KappZapp4™ Safety Data Sheet

 

Click here for instructions on how to use KappZapp4™

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