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  1. KappCopper - 1/16" x 10 ft Tube
    KappCopper - 1/16" x 10 ft Tube
    $15.50
    3% Copper solder for Copper, Brass & Stainless. Wide melting range (441-635°F / 227-335°C) for joint buildup and adjustment. - Solid .062" (1.6mm) x 10 ft in tube. VIEW PRODUCT
  2. KappCopper - 1/8" x 1/2 lb. spool
    KappCopper - 1/8" x 1/2 lb. spool
    $19.50
    3% Copper solder for Copper, Brass & Stainless. Wide melting range (441-635°F / 227-335°C) for joint buildup and adjustment. - Solid .125" (3.2mm) x 1/2 lb spool. VIEW PRODUCT
  3. KappCopper - 1/16" x 1/2 lb. spool
    KappCopper - 1/16" x 1/2 lb. spool
    $19.50
    3% Copper solder for Copper, Brass & Stainless. Wide melting range (441-635°F / 227-335°C) for joint buildup and adjustment. - Solid .062" (1.6mm) x 1/2 lb spool. VIEW PRODUCT
  4. KappCopper - 1/8" x 1 lb. spool
    KappCopper - 1/8" x 1 lb. spool
    $29.50
    3% Copper solder for Copper, Brass & Stainless. Wide melting range (441-635°F / 227-335°C) for joint buildup and adjustment. - Solid .125" (3.2mm) x 1 lb spool. VIEW PRODUCT
  5. KappCopper - 1/16" x 1 lb. spool
    KappCopper - 1/16" x 1 lb. spool
    $29.50
    3% Copper solder for Copper, Brass & Stainless. Wide melting range (441-635°F / 227-335°C) for joint buildup and adjustment. - Solid .062" (1.6mm) x 1 lb spool. VIEW PRODUCT

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KappCu™ Tin-Copper NSF compliant solder replaces KappLead™ (Tin-Lead) solders in plumbing and Stainless Steel soldering applications. It is a low cost alternative to higher priced Silver solders and offers a wider workable range than KappAnt™ solders, allowing for joint build-up and adjustment during cooling.

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

  • Plumbing applications when joining Copper, Brass, or Stainless Steel
  • Situations where higher temperatures can be attained without harm to adjacent parts
  • Used extensively for large Stainless Steel products in the food service industry as well as potable water applications
  • Paired with Kapp CopperBond™ Flux

Properties

Composition

Sn (Tin):

97%

Cu (Copper):

3%

 

Technical Data

Properties:

Lead-Free

Cadmium-Free

Melting Range:

441-635°F (227-335°C)

Shear Strength of Soldered Joints (Strength, N/mm2 at 1mm per minute):

Room Temp. = 24.3; 212°F (100°C) = 2.4 N/mm2

Stress to Rupture of Soldered Joints (Stress to Cause Failure in 1000 hours, N/mm):

Room Temp. = 8.8; 212°F (100°C) = 2.4 N/mm2

Fatigue Strength of Soldered Joints (Maximum Stress to cause failure in 1000 cycles):

Room Temp. = 14.5; 212°F (100°C) = 7.9

Area of Spread Test Results (On a fluxed Copper substrate using 200mg solder pellet):

Temperature = 689°F (365°C); Area of Spread cm2 = 0.7

 

Product Variants

KappCu™ 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 Alloy to discuss what size and diameter are right for you.

 

Matching Flux

Click here for KappCu™ Technical Data Sheet

 

Click here for KappCu™ Safety Data Sheet

 

Click here for soldering instructions for KappCu™

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