- KappZapp4SOS Acid Core 1/8" x 5 lb spool$325.00
Highly active acid core for one step stainless soldering. This solder’s low slushy range of 430-475°F (221-246°C)
VIEW PRODUCT
minimizes the heat applied and distortion of thin wires, tabs, and sheets - Acid Core 1/8" (3.2mm) diameter x 5 lb spool. - KappZapp4SOS Acid Core 1/8" x 1 lb spool$79.50
Highly active acid core for one step stainless soldering. This solder’s low slushy range of 430-475°F (221-246°C)
VIEW PRODUCT
minimizes the heat applied and distortion of thin wires, tabs, and sheets - Acid Core 1/8" (3.2mm) diameter x 1 lb spool. - KappZapp4SOS Acid Core 1/8" x 1/4 lb spool$39.50
Highly active acid core for one step stainless soldering. This solder’s low slushy range of 430-475°F (221-246°C)
VIEW PRODUCT
minimizes the heat applied and distortion of thin wires, tabs, and sheets - Acid Core 1/8" (3.2mm) diameter x 1/4 lb spool. - KappZapp4SOS Acid Core 1/8" x 1/2 lb spool$54.50
Highly active acid core for one step stainless soldering. This solder’s low slushy range of 430-475°F (221-246°C)
VIEW PRODUCT
minimizes the heat applied and distortion of thin wires, tabs, and sheets - Acid Core 1/8" (3.2mm) diameter x 1/2 lb spool.
Tin-Silver Solder
KappZapp4SOS™ Tin-Silver solder is an NSF-compliant Lead-free Cadmium-free solder designed specifically for one step soldering of stainless steel components. It also provides a strong and ductile joint with a high tolerance to vibration and stress on Copper and Brass. Its highly active flux core paired with its wide workable range of 430-440°F (221-227°C) makes it the ideal solder for stainless steel applications in any orientation. In many cases, a stronger overall assembly exists after joining with KappZapp4SOS™ than with higher temperature Silver brazing alloys.
NSF-Compliant
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.
Benefits & Features
KappZapp4SOS’s highly active acid core effectively breaks down the tough oxide layer on stainless steel and ensures a strong bond is made in one step. This solder’s low slushy range of 430-475°F (221-246°C)
minimizes the heat applied and distortion of thin wires, tabs, and sheets.
Applications
- Stainless Steel, copper and brass plumbing, tube, and sheet applications
- Fabrication, ducting, food containers, storage bins, and cooling coils for refrigerators
- Food and potable water safe
- Used throughout the food processing industry for the manufacture and repair of Stainless Steel parts and components
- Paired with Kapp Comet™ Flux when extra flux is needed
- Acid-Cored Solders are not recommended for electrical/electronic applications, unless the joint area can be thoroughly cleaned of any residue. Consider KappZappR™ Rosin-Cored Solders for electrical / electronic applications
Properties
Composition |
|
Sn (Tin): |
96% |
Ag (Silver): |
4% |
|
|
Technical Data |
|
Melting Range: |
430-475°F (221-246°C) |
Tensile Strength (Copper): |
14,200 psi |
Tensile Strength (Stainless Steel): |
28,000 psi |
Shear Strength: |
11,600 psi |
Elongation: |
49% |
Electrical Conductivity: |
16.5% |
Sn=Tin, Ag=Silver |
Product Variants
KappZapp4SOS™ is available in standard forms:
- 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 Kapp Comet™ Flux
For most alloys and projects, no additional flux is required when working with KappZapp3.5A™ acid cored solder. Some highly polished Stainless Steel alloys contain more Chromium and Nickel. These parts may require extra effort to remove the oxide layer by sanding, scratching with a Stainless Steel brush or emory paper, and by the addition of liquid Comet™ Flux.
Click here for KappZapp4SOS™ Technical Data Sheet
Click here for KappZapp4SOS™ Safety Data Sheet