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KappZapp3.5 Solid 1/32" x 1/2 lb spool$54.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid 1/32" (0.8mm) diameter x 1/2 lb spool.
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KappZapp3.5 Solid 1/32" x 14 Foot Tube$34.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid 1/32" (0.8mm) diameter x 14 ft in tube.
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KappZapp3.5 Solid 1/16" x 1 lb spool$69.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid .062" (1.6mm) diameter x 1 lb spool.
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KappZapp3.5 Solid 1/8" x 1 lb spool$69.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid .125" (3.2mm) diameter x 1 lb spool.
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KappZapp3.5 Solid 1/8" x 1/2 lb spool$44.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid .125" (3.2mm) diameter x 1/2 lb spool.
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KappZapp3.5 Solid 1/16" x 10 Foot Tube$29.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid .062" (1.6mm) diameter x 10 ft in tube.
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KappZapp3.5 Solid 1/16" x 1/2 lb spool$44.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid .062" (1.6mm) diameter x 1/2 lb spool.
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KappZapp3.5 Solid 1/32" x 1 lb spool$79.50High strength low temp NSF compliant (430°F / 221°C) 3.5% Silver solder for Copper, Brass and Stainless - Solid 1/32" (0.8mm) diameter x 1 lb spool.
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96.5Sn/3.5Ag Lead-Free Tin-Silver Solder
KappZapp3.5™ Tin-Silver solder is a NSF compliant Lead-free eutectic solder that provides a strong and ductile joint with a high tolerance to vibration and stress on Copper, Brass, and Stainless Steel. In many cases, a stronger overall assembly exists after joining with KappZapp3.5™ Tin-Silver solder than with higher cost higher temperature Silver brazing alloys. The low eutectic melting temperature of 430°F (221°C) prevents loss of properties and minimizes distortion on thin wires, tabs, and sheets.
NSF Compliant
This product complies with NSF/ANSI Standard 372: Drinking Water System Components – Lead Content. Product also complies 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
- Sensitive circuit boards, thin wire, and instruments
- Copper wires to Copper, Brass, and/or Stainless Steel tabs
- Typical applications include:
- Electronics
- Fabrication
- Ducting
- Stainless Steel Food containers/equipment
- Storage bins
- Instruments
- Copper plumbing pipe
- Cooling coils for refrigerators
- Paired with Kapp Comet™ Flux
- Also available in KappZapp3.5R Rosin-Cored and KappZapp3.5A Acid-Cored Flux-filled wire for convenient one step soldering.
Properties
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Composition |
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Tin (Sn): |
96.5% |
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Silver (Ag): |
3.5% |
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Technical Data |
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Melting Range: |
Eutectic @ 430°F (221°C) |
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Tensile Strength (Copper): |
14,000 psi |
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Tensile Strength (Stainless Steel): |
25,000 psi |
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Shear Strength: |
11,600 psi |
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Elongation: |
48% |
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Electrical Conductivity: |
16.4% |
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Sn=Tin, Ag=Silver |
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Product Variants
KappZapp3.5™ is available in standard forms:
Custom alloys and forms are our specialty. Call a Kapp representative to discuss what size and diameter are right for you.
Matching Flux
KappZapp3.5™ Technical Data Sheet
KappZapp3.5™ Safety Data Sheet