Project

Plumbing Projects
Electric/Electronic Projects
Aluminum Repair
Galvanized Repair
Autobody Repair
Household Repair
Automotive Repair
Marine Repair

Task To Be Performed

Fill a dent
Fill a hole
build up a worn surface
Repair a crack
Affixing aluminum to aluminum
Building up a worn surface
Filling a hole
Fixing a broken off part
Make an Elec. Connection
Connect Speaker wire
Connecting Elec. Instruments and equipment
Repair Door Hardware
Repair a Radiator
Repair Light fixtures
Repair Tail light or turnsignals
Repair propeller
Attach Speaker Wire
Attach Wire to Circuit Board
Attach Wire to Wire
Attach Electronic Component
Attach Wire to Electric Tab
Attaching Dissimilar Metals
Resurface galvanized steel
Resurface after welding galvanized steel
Attaching a galvanized part to a galvanized part
Attaching Aluminum to Galvanized Steel
Joining Pipe
Joining Pipe to a Plumbing Fixture
Plumbing Fixture Repair
Attach Speaker Wire
Attach Wire to Wire
Attach Electronic Component
Make an Elec. Connection
Connect Speaker wire
Connecting Elec. Instruments and equipment
Repair a latch
Repair a Radiator
Repair portholes & hatches
Repair Light fixtures
Repair propeller
Joining Pipe
Joining Pipe to a Plumbing Fixture
Plumbing Fixture Repair

Metal To Be Used

First Metal
Metal to be joined
First Metal
Metal to be joined
First Metal
Metal to be joined
First Metal
Metal to be joined
First Metal
Metal to be joined
First Metal
Metal to be joined

Desired Attributes

Select Your Desired Solder Attributes
Select The Solders Performance Characteristics

Parent Product

Best Product For This TaskKappAutoBody™
Best Product For This TaskGalvanite™
Best Product For This TaskAlumite™
High strength, high temperature solder for cast Aluminum, Diecast, White Metal, and Zamac alloys.
Best Product For This TaskKappAloy™
Low temperature Tin-Zinc solders for Aluminum to Aluminum and/or Copper.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy™
Low temperature Tin-Zinc solders for Aluminum to Aluminum and/or Copper.
Best Product For This TaskKappZapp™
High strength, low temperature Tin-Silver solders.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp™
High strength, low temperature Tin-Silver solders.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskGalvanite™
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy™
Low temperature Tin-Zinc solders for Aluminum to Aluminum and/or Copper.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp™
High strength, low temperature Tin-Silver solders.
Average Product For This TaskKappFree™
Medium strength Tin-Silver-Copper solder. Wide plastic range for easy joint buildup and parts manipulation.
Not recommended For This TaskKappAnt™
Lower cost Tin-Antimony solder replaces Tin-Lead solder in lower strength applications.
Not recommended For This TaskKapp Copper™
Lower cost Tin-Copper solder replaces Tin-Lead solder in lower strength Stainless Steel soldering.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy™
Low temperature Tin-Zinc solders for Aluminum to Aluminum and/or Copper.
Best Product For This TaskAlumite™
High strength, high temperature solder for cast Aluminum, Diecast, White Metal, and Zamac alloys.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy™
Low temperature Tin-Zinc solders for Aluminum to Aluminum and/or Copper.
Best Product For This TaskAlumite™
High strength, high temperature solder for cast Aluminum, Diecast, White Metal, and Zamac alloys.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp™
High strength, low temperature Tin-Silver solders.
Average Product For This TaskKappFree™
Medium strength Tin-Silver-Copper solder. Wide plastic range for easy joint buildup and parts manipulation.
Not recommended For This TaskKapp Copper™
Lower cost Tin-Copper solder replaces Tin-Lead solder in lower strength Stainless Steel soldering.
Best Product For This Task
Average Product For This Task
Not recommended For This Task

Product Selection

Best Product For This TaskKappAloy9™
Low temperature eutectic 9% Zinc SOLID solder melts and solidifies at low temperature to minimize heat applied to your Aluminum or Copper parts.
Best Product For This TaskKappAloy15™
Low temperature 15% Zinc solder for Aluminum to Aluminum or Copper built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Best Product For This TaskAlumite™
High strength, high temperature solder for cast Aluminum, Diecast, White Metal, and Zamac alloys.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskAlumite™
High strength, high temperature solder for cast Aluminum, Diecast, White Metal, and Zamac alloys.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy9™
Low temperature eutectic 9% Zinc SOLID solder melts and solidifies at low temperature to minimize heat applied to your Aluminum or Copper parts.
Best Product For This TaskKappAloy15™
Low temperature 15% Zinc solder for Aluminum to Aluminum or Copper built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp7R™
Very high strength, vibration and temperature-cycle resistant 7% Silver solder with convenient mildly-active ROSIN flux core for electrical/electronic soldering.
Best Product For This TaskKappZapp7™
Very high strength, vibration and temperature-cycle resistant 7% Silver SOLID solder.
Average Product For This TaskKappZapp4™
High strength 4% Silver SOLID solder used for built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Not recommended For This TaskKappZapp3.5A™
High strength eutectic 3.5% Silver solder melts and solidifies at low temperature to minimize heat applied to your parts. Convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel.
Not recommended For This TaskKappZapp3.5S™
High strength eutectic 3.5% Silver SOLID solder. Melts and solidifies at low temperature to minimize heat applied to your parts.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp7R™
Very high strength, vibration and temperature-cycle resistant 7% Silver solder with convenient mildly-active ROSIN flux core for electrical/electronic soldering.
Best Product For This TaskKappZapp7™
Very high strength, vibration and temperature-cycle resistant 7% Silver SOLID solder.
Average Product For This TaskKappZapp4™
High strength 4% Silver SOLID solder used for built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Not recommended For This TaskKappZapp3.5A™
High strength eutectic 3.5% Silver solder melts and solidifies at low temperature to minimize heat applied to your parts. Convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel.
Not recommended For This TaskKappZapp3.5S™
High strength eutectic 3.5% Silver SOLID solder. Melts and solidifies at low temperature to minimize heat applied to your parts.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy9™
Low temperature eutectic 9% Zinc SOLID solder melts and solidifies at low temperature to minimize heat applied to your Aluminum or Copper parts.
Best Product For This TaskKappAloy15™
Low temperature 15% Zinc solder for Aluminum to Aluminum or Copper built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappFree Solid™
Medium strength Tin-Silver-Copper solder. Wide plastic range for easy joint buildup and parts manipulation.
Average Product For This TaskKappFree Acid™
Medium strength Tin-Silver-Copper solder with convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel. Wide plastic range for easy joint buildup and parts manipulation.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp7™
Very high strength, vibration and temperature-cycle resistant 7% Silver SOLID solder.
Average Product For This TaskKappZapp4™
High strength 4% Silver SOLID solder used for built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Not recommended For This TaskKappZapp3.5A™
High strength eutectic 3.5% Silver solder melts and solidifies at low temperature to minimize heat applied to your parts. Convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel.
Not recommended For This TaskKappZapp3.5S™
High strength eutectic 3.5% Silver SOLID solder. Melts and solidifies at low temperature to minimize heat applied to your parts.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappFree Solid™
Medium strength Tin-Silver-Copper solder. Wide plastic range for easy joint buildup and parts manipulation.
Average Product For This TaskKappFree Acid™
Medium strength Tin-Silver-Copper solder with convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel. Wide plastic range for easy joint buildup and parts manipulation.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappZapp7™
Very high strength, vibration and temperature-cycle resistant 7% Silver SOLID solder.
Average Product For This TaskKappZapp4™
High strength 4% Silver SOLID solder used for built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Not recommended For This TaskKappZapp3.5A™
High strength eutectic 3.5% Silver solder melts and solidifies at low temperature to minimize heat applied to your parts. Convenient strongly-active ACID flux core for soldering pipe, structural joints and Stainless Steel.
Not recommended For This TaskKappZapp3.5S™
High strength eutectic 3.5% Silver SOLID solder. Melts and solidifies at low temperature to minimize heat applied to your parts.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy9™
Low temperature eutectic 9% Zinc SOLID solder melts and solidifies at low temperature to minimize heat applied to your Aluminum or Copper parts.
Best Product For This TaskKappAloy15™
Low temperature 15% Zinc solder for Aluminum to Aluminum or Copper built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Best Product For This Task
Average Product For This Task
Not recommended For This Task
Best Product For This TaskKappAloy9™
Low temperature eutectic 9% Zinc SOLID solder melts and solidifies at low temperature to minimize heat applied to your Aluminum or Copper parts.
Best Product For This TaskKappAloy15™
Low temperature 15% Zinc solder for Aluminum to Aluminum or Copper built-up joints. A narrow plastic range allows for easy joint buildup and parts manipulation.
Best Product For This TaskAlumite™
ENTER TEST DESCRIPTION HERE
Best Product For This Task
Average Product For This Task
Not recommended For This Task

KappZapp
KappFree
KappANT
KappCopper
Highest Quality
Best
Average
Not recommended
Not recommended
Highest Strength
Best
Average
Not recommended
Not recommended
Flow In Tight Areas
Best
Best
Best
Best
High Temp. Use
Average
Average
Average
Average
High Thermal Cycling
Best
Average
Not recommended
Not recommended
Small Surface
Best
Best
Best
Best
Larger Surface
Best
Best
Best
Best
Low Pressure
Best
Best
Best
Best
High Pressure
Best
Average
Not recommended
Not recommended
Hardens Quickly
Best
Average
Not recommended
Not recommended
Hardens Slowly
Best
Average
Best
Best
Easy To Use
Best
Best
Not recommended
Not recommended
Build up Joint
Best
Best
Best
Best
Low Soldering Temperature
Best
Average
Not recommended
Not recommended
High Vibration
Best
Not recommended
Not recommended
Not recommended
Salt/Corrosive Env.
Best
Average
Not recommended
Not recommended
Potable water safe
Best
Best
Best
Best
Electrical Conductivity
Best
Average
Not recommended
Average
KZ-7
KZ-4
KZ-3.5A
KZ-3.5S
Highest Quality
Best
Average
Not recommended
Not recommended
Highest Strength
Best
Average
Not recommended
Not recommended
Flow In Tight Areas
Best
Best
Best
Best
High Temp. Use
Average
Average
Average
Average
High Thermal Cycling
Best
Average
Not recommended
Not recommended
Small Surface
Best
Best
Best
Best
Larger Surface
Best
Best
Best
Best
Low Pressure
Best
Best
Best
Best
High Pressure
Best
Average
Not recommended
Not recommended
Hardens Quickly
Not recommended
Average
Best
Best
Hardens Slowly
Best
Average
Best
Best
Easy To Use
Not recommended
Best
Not recommended
Not recommended
Build up Joint
Best
Best
Best
Best
Low Soldering Temperature
Not recommended
Average
Best
Best
High Vibration
Best
Average
Average
Average
Salt/Corrosive Env.
Best
Best
Best
Best
Potable water safe
Best
Best
Best
Best
Electrical Conductivity
Best
Average
Not recommended
Not recommended
KF Solid
KF Acid
Highest Quality
Average
Average
Highest Strength
Average
Average
Flow In Tight Areas
Best
Best
High Temp. Use
Average
Average
High Thermal Cycling
Average
Average
Small Surface
Best
Best
Larger Surface
Best
Best
Low Pressure
Best
Best
High Pressure
Average
Average
Hardens Quickly
Average
Average
Hardens Slowly
Average
Average
Easy To Use
Not recommended
Best
Build up Joint
Best
Best
Low Soldering Temperature
Average
Average
High Vibration
Not recommended
Not recommended
Salt/Corrosive Env.
Average
Average
Potable water safe
Best
Best
Electrical Conductivity
Average
Average
KappZapp
KappFree
KappCopper
Highest Quality
Best
Average
Not recommended
Highest Strength
Best
Average
Not recommended
Flow In Tight Areas
Best
Best
Best
High Temp. Use
Average
Average
Average
High Thermal Cycling
Best
Average
Not recommended
Small Surface
Best
Best
Best
Larger Surface
Best
Best
Best
Low Pressure
Best
Best
Best
High Pressure
Best
Average
Not recommended
Hardens Quickly
Best
Average
Not recommended
Hardens Slowly
Best
Average
Best
Easy To Use
Best
Best
Not recommended
Build up Joint
Best
Best
Best
Low Soldering Temperature
Best
Average
Not recommended
High Vibration
Best
Not recommended
Not recommended
Salt/Corrosive Env.
Best
Average
Not recommended
Potable water safe
Best
Best
Best
Electrical Conductivity
Best
Average
Average
KappAloy
Highest Quality
Best
Highest Strength
Best
Flow In Tight Areas
Best
High Temp. Use
Best
High Thermal Cycling
Average
Small Surface
Average
Larger Surface
Best
Low Pressure
Best
High Pressure
Best
Hardens Quickly
Best
Hardens Slowly
Best
Easy To Use
Best
Build up Joint
N/A
Low Soldering Temperature
Best
High Vibration
Best
Salt/Corrosive Env.
Best
Potable water safe
Average
Electrical Conductivity
Best
KappAloy9
KappAloy15
Highest Quality
Best
Best
Highest Strength
Best
Best
Flow In Tight Areas
Best
Best
High Temp. Use
Best
Best
High Thermal Cycling
Average
Average
Small Surface
Average
Average
Larger Surface
Best
Best
Low Pressure
Best
Best
High Pressure
Best
Best
Hardens Quickly
Best
Best
Hardens Slowly
Best
Average
Easy To Use
Not recommended
Best
Build up Joint
N/A
N/A
Low Soldering Temperature
Not recommended
Best
High Vibration
Best
Average
Salt/Corrosive Env.
Best
Best
Potable water safe
Average
Average
Electrical Conductivity
Best
Best
KappAloy
Alumite
Highest Quality
Best
Best
Highest Strength
Best
Best
Flow In Tight Areas
Best
Best
High Temp. Use
Best
Best
High Thermal Cycling
Average
Best
Small Surface
Average
Best
Larger Surface
Best
Best
Low Pressure
Best
Best
High Pressure
Best
Best
Hardens Quickly
Best
Average
Hardens Slowly
Best
Best
Easy To Use
N/A
N/A
Not available with cored flux
Build up Joint
Best
Best
Low Soldering Temperature
Best
Not recommended
High Vibration
Best
Best
Salt/Corrosive Env.
Best
Best
Potable water safe
Average
Average
Electrical Conductivity
Best
Best
KappAloy9
KappAloy15
Alumite
Highest Quality
Best
Best
Best
Highest Strength
Best
Best
Best
Flow In Tight Areas
Best
Best
Best
High Temp. Use
Best
Best
Best
High Thermal Cycling
Average
Average
Best
Small Surface
Best
Best
Best
Larger Surface
Best
Best
Best
Low Pressure
Best
Best
Best
High Pressure
Best
Best
Best
Hardens Quickly
Best
Best
Average
Hardens Slowly
Best
Average
Best
Easy To Use
N/A
N/A
Not available with cored flux
Build up Joint
Not recommended
Average
Best
Low Soldering Temperature
Best
Average
Not recommended
High Vibration
Best
Average
Best
Salt/Corrosive Env.
Average
Average
Best
Potable water safe
Average
Average
Average
Electrical Conductivity
Best
Best
Best
KappZapp
Highest Quality
Best
Highest Strength
Best
Flow In Tight Areas
Best
High Temp. Use
Average
High Thermal Cycling
Best
Small Surface
Best
Larger Surface
Best
Low Pressure
Best
High Pressure
Best
Hardens Quickly
Best
Hardens Slowly
Best
Easy To Use
Best
Build up Joint
Best
Low Soldering Temperature
Best
High Vibration
Best
Salt/Corrosive Env.
Best
Potable water safe
Best
Electrical Conductivity
Best
KZ 7R
KZ 7
KZ 4
KZ 3.5R
KZ 3.5S
Highest Quality
Best
Best
Average
Not recommended
Not recommended
Highest Strength
Best
Best
Average
Not recommended
Not recommended
Flow In Tight Areas
Best
Best
Best
Best
Best
High Temp. Use
Average
Average
Average
Average
Average
High Thermal Cycling
Best
Best
Average
Not recommended
Not recommended
Small Surface
Best
Best
Best
Best
Best
Larger Surface
Best
Best
Best
Best
Best
Low Pressure
Best
Best
Best
Best
Best
High Pressure
Best
Best
Average
Not recommended
Not recommended
Hardens Quickly
Not recommended
Not recommended
Average
Best
Best
Hardens Slowly
Best
Best
Average
Not recommended
Not recommended
Easy To Use
Best
Not recommended
Not recommended
Best
Not recommended
Build up Joint
Best
Best
Average
Not recommended
Not recommended
Low Soldering Temperature
Not recommended
Not recommended
Average
Best
Best
High Vibration
Best
Best
Average
Not recommended
Not recommended
Salt/Corrosive Env.
Best
Best
Best
Best
Best
Potable water safe
Best
Best
Best
Best
Best
Electrical Conductivity
Best
Best
Average
Not recommended
Not recommended
Alumite
Highest Quality
Best
Highest Strength
Best
Flow In Tight Areas
Best
High Temp. Use
Best
High Thermal Cycling
Best
Small Surface
Best
Larger Surface
Best
Low Pressure
Best
High Pressure
Best
Hardens Quickly
Average
Hardens Slowly
Best
Easy To Use
N/A
Not available with cored flux
Build up Joint
Best
Low Soldering Temperature
Not recommended
High Vibration
Best
Salt/Corrosive Env.
Best
Potable water safe
Average
Electrical Conductivity
Best
KappAloy9
KappAloy15
Highest Quality
Best
Best
Highest Strength
Best
Best
Flow In Tight Areas
Best
Best
High Temp. Use
Best
Best
High Thermal Cycling
Average
Average
Small Surface
Best
Best
Larger Surface
Best
Best
Low Pressure
Best
Best
High Pressure
Best
Best
Hardens Quickly
Best
Best
Hardens Slowly
Best
Average
Easy To Use
N/A
N/A
Not available with cored flux
Build up Joint
Not recommended
Average
Low Soldering Temperature
Best
Average
High Vibration
Best
Average
Salt/Corrosive Env.
Average
Average
Potable water safe
Average
Average
Electrical Conductivity
Best
Best
Galvanite
Highest Quality
Best
Highest Strength
Best
Flow In Tight Areas
Best
High Temp. Use
Best
High Thermal Cycling
Average
Small Surface
Average
Larger Surface
Best
Low Pressure
Best
High Pressure
Best
Hardens Quickly
Best
Hardens Slowly
Not recommended
Easy To Use
Not recommended
Build up Joint
Not recommended
Low Soldering Temperature
Best
High Vibration
Best
Salt/Corrosive Env.
Best
Potable water safe
Electrical Conductivity
KappAutoBody
Galvanite
Highest Quality
Best
Best
Highest Strength
Best
Best
Flow In Tight Areas
Best
Best
High Temp. Use
Best
Best
High Thermal Cycling
Average
Best
Small Surface
Average
Best
Larger Surface
Best
Best
Low Pressure
Best
Best
High Pressure
Best
Best
Hardens Quickly
Best
Best
Hardens Slowly
Not recommended
Not recommended
Easy To Use
Not recommended
Not recommended
Build up Joint
Not recommended
Not recommended
Low Soldering Temperature
Best
Best
High Vibration
Best
Best
Salt/Corrosive Env.
Best
Best
Potable water safe
Electrical Conductivity