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Low-Melting-Point Solder for Low-Temperature Applications
Even as temperatures approach absolute zero, this indium solder remains soft and malleable, allowing it to form an airtight seal between metal and certain non-metal materials. It’s often used in cryogenic applications, including those with liquid nitrogen. This solder has a lower melting point than most solders, so it’s good for sensitive assemblies, such as semiconductors and electronic components. Unlike commonly used tin-based solders, this solder won’t damage gold plating on circuit boards. It’s also a good conductor of heat and electricity. More durable than standard tin-lead solder, this solder is less likely to crack from repeated temperature swings. It’s low outgassing, so it’s good for use in high-vacuum applications.
This indium-based solder can be cold welded, meaning it will bond to itself without heat. You can also use it for step soldering with traditional solders. It does not have a flux core; choose soldering flux to prepare workpieces for this solder.
Leaded solder has greater tensile strength and density than other indium-based solders, giving it a stronger hold.
Lead-free solder is safer to use than leaded solder and helps meet industry regulations. Solder that is 100% indium has better thermal conductivity than solder that contains tin, and will cold weld more easily. However, it has lower tensile and shear strength than solder with tin. Solder with 48% tin has greater tensile and shear strength than 100% indium solder, but lower thermal and electrical conductivity.
Material Composition | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Solder Composition | Indium | Lead | Silver | Melting Temperature, °F | Thermal Conductivity, W/m-°C | Tensile Strength, psi | Diameter | Weight, oz. | Each | |
For Joining Aluminum, Brass, Bronze, Ceramic, Glass, Gold, Nickel Alloys, Quartz, Stainless Steel, Steel, Zinc | ||||||||||
In80Pb15Ag5 | 80% | 15% | 5% | 310° | 43 | 2,550 | 0.030" | 0.16 | 0000000 | 0000000 |
Material Composition | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Solder Composition | Indium | Tin | Lead | Melting Temperature, °F | Thermal Conductivity, W/m-°C | Tensile Strength, psi | Diameter | Weight, oz. | Each | |
For Joining Aluminum, Brass, Bronze, Ceramic, Glass, Nickel Alloys, Quartz, Stainless Steel, Steel, Zinc | ||||||||||
In52Sn48 | 52% | 48% | 0% | 245° | 34 | 1,720 | 0.030" | 0.11 | 0000000 | 0000000 |
In100 | 100% | __ | 0% | 315° | 86 | 270 | 0.030" | 0.11 | 0000000 | 000000 |
Low-Melting-Point Solder Ribbon for Low-Temperature Applications
Made with indium this solder is soft and malleable—even as temperatures approach absolute zero—allowing this solder to form an airtight seal between metal and certain non-metal materials. It’s often used in cryogenic applications, including those with liquid nitrogen. Thanks to its ribbon shape, this solder is easier to use on large, flat areas than wire solder.
This solder has a lower melting point than most solders, making it good for sensitive assemblies, such as semiconductors and electronic components. Unlike commonly used tin-based solders, this solder won’t damage gold plating on circuit boards. It’s also a good conductor of heat and electricity. More durable than standard tin-lead solder, this solder is less likely to crack from repeated temperature swings. It’s low outgassing, so you can also use it in high-vacuum applications.
This indium-based solder can be cold welded, meaning it will bond to itself without heat. You can also use it for step soldering with traditional solders. It does not have a flux core, choose soldering flux to prepare workpieces for this solder.
Leaded solder has greater tensile strength and density than other indium-based solders, giving it a stronger hold.
Lead-free solder is safer to use than leaded solder and helps meet industry regulations.
Material Composition | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Solder Composition | Indium | Lead | Silver | Melting Temperature, °F | Thermal Conductivity, W/m-°C | Tensile Strength, psi | Length | Width | Thickness | Weight, oz. | Each | |
For Joining Aluminum, Brass, Bronze, Ceramic, Glass, Gold, Nickel Alloys, Quartz, Stainless Steel, Steel, Zinc | ||||||||||||
In80Pb15Ag5 | 80% | 15% | 5% | 310° | 43 | 2,550 | 12" | 1" | 0.002" | 0.1 | 0000000 | 0000000 |
Material Composition | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Solder Composition | Indium | Tin | Lead | Melting Temperature, °F | Thermal Conductivity, W/m-°C | Tensile Strength, psi | Length | Width | Thickness | Weight, oz. | Each | |
For Joining Aluminum, Brass, Bronze, Ceramic, Glass, Gold, Nickel Alloys, Quartz, Stainless Steel, Steel, Zinc | ||||||||||||
In52Sn48 | 52% | 48% | 0% | 245° | 34 | 1,720 | 12" | 1" | 0.002" | 0.1 | 0000000 | 0000000 |
In100 | 100% | __ | 0% | 315° | 86 | 270 | 12" | 1" | 0.002" | 0.1 | 0000000 | 000000 |
Solder for Drinking Water
This solder meets NSF/ANSI Standard 61 for drinking water. It does not have a flux core, so you can choose the flux that works best for your application. This solder is lead-free, which means it is safer to use than leaded solder and helps meet industry regulations.
For technical drawings and 3-D models, click on a part number.
Material Composition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Solder Composition | Tin | Silver | Copper | Lead | Melting Temperature, °F | Solder Type | Dia. | Each | |
1 lbs. | |||||||||
For Joining Aluminum, Brass, Bronze, Copper, Nickel Alloys, Stainless Steel, Steel, Zinc | |||||||||
Sn95Cu4.8Ag0.2 | 95% | 0.2% | 4.8% | 0% | 440° | Flux Required | 0.118" | 00000000 | 000000 |
5 lbs. | |||||||||
For Joining Aluminum, Brass, Bronze, Copper, Nickel Alloys, Stainless Steel, Steel, Zinc | |||||||||
Sn95Cu4.8Ag0.2 | 95% | 0.2% | 4.8% | 0% | 440° | Flux Required | 0.118" | 00000000 | 000000 |
High-Density Low-Melting-Point Solder
This bismuth-tin solder has similar performance properties to lead solder, but is also safe for use in food-processing equipment and copper water pipes. It has a lower melting point than most solders, so it’s good for sensitive assemblies, such as semiconductors and electronic components, as well as for step soldering with traditional solders. However, it’s less thermally conductive than other metals and more brittle than lead. Flux isn’t required, but for easier cleanup use it with no-clean soldering flux. This solder is lead-free, so it is safer to use than leaded solder and helps meet industry regulations. Do not use this solder on drinking water pipes.
Solder with 1% silver forms stronger bonds than solder without silver. It’s also more malleable and ductile. However, it has a higher melting point, so it takes longer to solder.
No-Flux Solder for Aluminum
Flux is not required for this solder to form strong joints. It is lead-free, so it is safer to use than leaded solder and helps meet industry regulations.
For technical drawings and 3-D models, click on a part number.
Material Composition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Solder Composition | Zinc | Aluminum | Lead | Melting Temperature, °F | Dia. | Lg. | Wt., lbs. | Pkg. of 37 | |
Zn98Al2 | 98% | 2% | 0% | 760° | 0.125" | 18" | 2 | 000000 | 000000 |
Solder for Aluminum
Without a flux core, this solder allows you to choose the flux that works best for your application. It is lead-free, so it is safer to use than leaded solder and helps meet industry regulations.
For technical drawings and 3-D models, click on a part number.
Soldering Flux for Aluminum
Solder aluminum to itself, copper, or brass. This flux paste is easier to apply precisely than liquid flux. Simply wash the flux residue away with water.
Container Size, fl. oz. | Form | Cleanup Method | Specifications Met | Each | |
4 | Paste | Water | DOD 1866 | 000000 | 000000 |
Soldering Flux for High-Temperature Aluminum
Often used to solder aluminum to difficult-to-solder metal such as stainless steel and nickel, this flux works in applications up to 800° F. You can also use it with a torch in low-temperature brazing applications. Mix the powder with methanol before use.
Cleaner for Desoldering Iron Nozzles
Scrape away solder buildup to keep desoldering nozzles clean.
Number of Cleaners | Cleaner Dia. | Lg. | Material | Case Material | Each | |
12 | 0.019"-0.065" | 4 7/8" | Aluminum | Aluminum | 0000000 | 000000 |
Brazing Alloys for Joining Aluminum to Copper
Join aluminum to copper and copper-based alloys, such as brass and bronze. These alloys don’t contain cadmium, so they’re safer than other brazing alloys with cadmium and help you meet industry regulations.
For technical drawings and 3-D models, click on a part number.
Material Composition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Zinc | Aluminum | Cadmium | Melting Temperature Range, ° F | Braze Type | Dia. | Lg. | Pkg. Qty. | Pkg. | |
For Joining Aluminum, Brass, Bronze, Copper | |||||||||
85% | 15% | 0% | 720° to 845° | Flux Required | 5/64" | 20" | 13 | 0000000 | 00000 |
Flux-Included Brazing Alloys for Joining Aluminum to Copper
Flux is already built into these alloys, so there’s no need to add it when joining aluminum to copper. These alloys don’t contain cadmium, so they’re safer than other brazing alloys with cadmium and help you meet industry regulations.
For technical drawings and 3-D models, click on a part number.
Material Composition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Zinc | Aluminum | Cadmium | Melting Temperature Range, ° F | Braze Type | Dia. | Lg. | Pkg. Qty. | Pkg. | |
For Joining Aluminum, Copper | |||||||||
78% | 22% | 0% | 800° to 900° | Flux Core | 0.09" | 20" | 4 | 0000000 | 000000 |
Brazing Alloys for Aluminum
Join aluminum to aluminum. These alloys do not contain cadmium, so they are safer to use than alloys with cadmium and help meet industry regulations.
BAlSi-3 alloys are good for filling in large gaps because they melt into a thicker liquid than BAlSi-4 alloys.
Material Composition | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
AWS Material Code | Aluminum | Silicon | Cadmium | Melting Temperature Range, °F | Braze Type | Dia. | Lg., ft. | Wt., oz. | Includes | Each | |
BAlSi-4 | 88% | 12% | 0% | 1070° to 1080° | Flux Required | 1/16" | 10 | 0.75 | 1/3 oz. Tube of Flux | 0000000 | 000000 |
BAlSi-3 | 90% | 10% | 0% | 970° to 1085° | Flux Required | 3/64" | 33 | 1.1 | __ | 00000000 | 00000 |
BAlSi-3 | 90% | 10% | 0% | 970° to 1085° | Flux Required | 1/16" | 19 | 1.1 | __ | 00000000 | 00000 |
No-Flux Brazing Alloys for Aluminum
No need to add flux when brazing aluminum parts such as radiators, power tools, and castings—these alloys don’t require it. All have excellent corrosion resistance. They don’t contain cadmium, so they’re safer than other brazing alloys with cadmium and help you meet industry regulations.
For technical drawings and 3-D models, click on a part number.
No-Clean Brazing Flux for Joining Aluminum to Copper
Clean and prepare surfaces before joining aluminum to copper. With minimal residue, this flux does not require cleanup.
Pick Sets with Magnetic Retrievers
The handles of these assorted picks have a magnet at the end to pick up small steel objects. Use to hold and position wire, springs, and other small parts.
Number of Pieces | Includes | Max. Magnetic Pull, lbs. | Handle Style | Tip Type | Handle Material | Container Type | Each | |
4 | 4 3/4" Lg. Steel Pick with Hook Tip and Knurled Grip 4 3/4" Lg. Steel Pick with 90° Angle Tip and Knurled Grip 4 3/4" Lg. Steel Pick with 45° Angle Tip and Knurled Grip 4 3/4" Lg. Steel Pick with Straight Tip and Knurled Grip | 1.5 | Straight | Fixed | Aluminum | Plastic Pouch | 0000000 | 000000 |
Picks with Magnetic Retriever
The handle has a magnet at the end to pick up small steel objects. Use these picks to hold and position wire, springs, and other small parts.
Style | ||||||||
---|---|---|---|---|---|---|---|---|
Overall Lg. | Max. Magnetic Pull, oz. | Handle | Grip | Tip Type | Material | Handle Material | Each | |
Hook Tip | ||||||||
7" | 6 | Straight | Knurled | Fixed | Steel | Aluminum | 0000000 | 00000 |
Two-Tip Picks
A different tip at each end allows you to install, extract, and position parts with one tool.
Picks with hook tip × 90° angle tip have an aluminum handle that covers one tip while you use the other.
Style | |||||||
---|---|---|---|---|---|---|---|
Overall Lg. | Handle | Grip | Tip Type | Material | Handle Material | Each | |
Hook × 90° Angle | |||||||
8" | Straight | Plain | Fixed | Steel | Aluminum | 0000000 | 000000 |
Changeable-Tip Pick Sets
Sets include a handle and an assortment of tips for holding and positioning wire, springs, and other small parts.
5-piece set has a solid handle with a magnet at the end to pick up small steel objects.
Style | ||||||||
---|---|---|---|---|---|---|---|---|
Number of Pieces | Includes | Max. Magnetic Pull, oz. | Handle | Grip | Handle Material | Container Type | Each | |
5 | 3" Lg. Steel Hook Tip 3 1/2" Lg. Steel 90° Angle Tip 3 1/4" Lg. Steel 45° Angle Tip 3 1/4" Lg. Steel Straight Tip 3 1/2" Lg. Aluminum Handle | 6 | Straight | Plain | Aluminum | Plastic Pouch | 0000000 | 00000 |
Changeable-Tip Picks
Change tips to use a different size or style pick for holding and positioning wire, springs, and other small parts.
Handles have a magnet at the end to pick up small steel objects.
Style | ||||||
---|---|---|---|---|---|---|
Overall Lg. | Max. Magnetic Pull, oz. | Handle | Grip | Handle Material | Each | |
3 1/2" | 6 | Straight | Plain | Aluminum | 0000000 | 00000 |
Small Parts Positioners
Install and position tiny springs and wires. Unlike conventional picks that have pointed tips, these are rounded to prevent damage to sensitive components.
For technical drawings and 3-D models, click on a part number.
Precision-Tip Pick Sets
The assorted needle-sharp picks in these sets are similar to dental instruments and suitable for work around delicate wires and components.
Style | |||||||||
---|---|---|---|---|---|---|---|---|---|
Number of Pieces | Includes | Overall Lg. | Handle | Grip | Tip Dia. | Tip Type | Handle Material | Each | |
4 | 5 3/4" Lg. 17-4 PH Stainless Steel Pick with Hook Tip 5 1/2" Lg. 17-4 PH Stainless Steel Pick with 90° Angle Tip 5 3/4" Lg. 17-4 PH Stainless Steel Pick with Multi-Angle Tip 5 1/2" Lg. 17-4 PH Stainless Steel Pick with Straight Tip | 5 1/2"-5 3/4" | Straight | Plain | 0.01" | Fixed | Aluminum | 0000000 | 000000 |
Precision-Tip Picks
Similar to dental instruments, these needle-sharp picks are suitable for work around delicate circuits and components.
Style | ||||||||
---|---|---|---|---|---|---|---|---|
Overall Lg. | Handle | Grip | Tip Dia. | Tip Type | Material | Handle Material | Each | |
Hook Tip | ||||||||
5 1/2" | Straight | Plain | 0.01" | Fixed | 17-4 PH Stainless Steel | Aluminum | 0000000 | 000000 |
90° Angle Tip | ||||||||
5 3/4" | Straight | Plain | 0.01" | Fixed | 17-4 PH Stainless Steel | Aluminum | 0000000 | 00000 |
Multi-Angle Tip | ||||||||
5 1/2" | Straight | Plain | 0.01" | Fixed | 17-4 PH Stainless Steel | Aluminum | 0000000 | 00000 |
Straight Tip | ||||||||
5 3/4" | Straight | Plain | 0.01" | Fixed | 17-4 PH Stainless Steel | Aluminum | 0000000 | 00000 |
Two-Tip Precision-Tip Picks
A precision tip on each end of these picks lets you install, extract, and position parts around delicate circuits and components with one tool. The needle-sharp tips are similar to dental tools.
Style | ||||||||
---|---|---|---|---|---|---|---|---|
Overall Length | Handle | Grip | Tip Diameter | Tip Type | Material | Handle Material | Each | |
Hook Tip × 90° Angle Tip | ||||||||
6 1/4" | Straight | Plain | 0.025" | Fixed | 302 Stainless Steel | Aluminum | 0000000 | 00000 |
Hook Tip × Multi-Angle Tip | ||||||||
6 1/4" | Straight | Plain | 0.025" | Fixed | 302 Stainless Steel | Aluminum | 0000000 | 0000 |
Straight Tip × 90° Angle Tip | ||||||||
6 1/4" | Straight | Plain | 0.025" | Fixed | 302 Stainless Steel | Aluminum | 0000000 | 0000 |
Straight Tip × Multi-Angle Tip | ||||||||
6 1/4" | Straight | Plain | 0.025" | Fixed | 302 Stainless Steel | Aluminum | 0000000 | 0000 |
90° Angle Tip × Multi-Angle Tip | ||||||||
6 1/4" | Straight | Plain | 0.025" | Fixed | 302 Stainless Steel | Aluminum | 0000000 | 0000 |
Conductive Surface Fillers for Electronics
A high silver content allows these surface fillers to conduct electricity and heat. Use them to fill gaps and rebuild missing material on electrical connections or to assemble new components. They come as two parts. The size listed is the combined total of the two parts.
Volume resistivity measures how well a material opposes the flow of electricity. The lower the rating, the more electricity it conducts.
Thermal conductivity measures a material’s ability to transfer heat. The higher the rating, the more heat it transfers.
Container | Temp. Range, °F | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Net Weight, oz. | Type | Begins to Harden | Reaches Full Strength | Thermal Conductivity, W/m-K | Volume Resistivity, ohms-cm | Mix Ratio | Min. | Max. | For Use On | Each | |
Loctite® Surface Fillers | |||||||||||||
3888 | __ | 0.09 | One-Time-Use Packet | 90 min. | 24 hrs. | 1.44 | 0.001 | 100:6 | -40° | 170° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Polycarbonate Plastic | 0000000 | 000000 |
Surface Fillers | |||||||||||||
__ | __ | 0.09 | One-Time-Use Packet | 90 min. | 24 hrs. | 6.05 | 0.009 | 100:6 | -75° | 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | 0000000 | 00000 |
__ | __ | 0.35 | One-Time-Use Packet | 90 min. | 24 hrs. | 6.05 | 0.009 | 100:6 | -75° | 250° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Ceramic, Glass | 0000000 | 000000 |
__ | 0.5 | __ | Jar | 4 hrs. | 5 days | 5.77 | 0.0004 | 1:1 | Not Rated | 300° | Aluminum, Brass, Copper, Steel, Stainless Steel | 0000000 | 000000 |
__ | 1 | __ | Jar | 4 hrs. | 5 days | 5.77 | 0.0004 | 1:1 | Not Rated | 300° | Aluminum, Brass, Copper, Steel, Stainless Steel | 0000000 | 000000 |
Conductive Surface Filler Pens for Electronics
Dispense ready-to-use conductive liquid to fill pits and small gaps on circuit board components. These pens are also used to sketch and repair conductive pathways.
Product labeling requirements restrict sales to the listed areas.
Silver epoxy pens are the most versatile—use them for any type of repair as well as for repairs that require excellent conductivity, such as connecting through holes on circuit boards without adding jumpers, wiring, or solder. Since they have the lowest surface resistivity, they allow the most current to pass.
Tip | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Container Size, fl. oz. | Dia. | Shape | Begins to Harden, min. | Reaches Full Strength | Surface Resistivity, ohms/sq. | Consistency | Max. Thick. | For Use Outdoors | Temp. Range, °F | Color | For Use On | Cannot Be Sold To | Each | |
Silver Epoxy | ||||||||||||||
0.2 | 0.03" | Point | 3 | 60 min. | 0.050 | Thin Liquid | Not Rated | No | -65° to 300° | Silver | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium | Outside United States and Canada | 0000000 | 000000 |
Conductive Adhesives for Electronics
An alternative to solder, these flexible, silver-filled adhesives accommodate joint movement. Use them to bond electrical components and repair circuits.
Epoxy adhesives are two-part adhesives that need to be mixed together. The size listed is the combined total of the two parts.
Container | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Size, fl. oz. | Net Weight, oz. | Begins to Harden | Reaches Full Strength | Thermal Conductivity, W/m-K | Surface Resistivity, ohms-cm | Mix Ratio | Consistency | Temp. Range, °F | For Joining | Each | |
One-Time-Use Packet | |||||||||||
__ | 0.09 | 3 hrs. | 24 hrs. | 1.55 | 0.05 | 1:1.15 | Paste | -75° to 230° | Ceramic, Glass, Metal | 0000000 | 000000 |
Can | |||||||||||
0.5 | __ | 4 hrs. | 5 days | 7.93 | 0.0004 | 1:1 | Paste | 80° to 265° | Metal | 0000000 | 000000 |
1 | __ | 4 hrs. | 5 days | 7.93 | 0.0004 | 1:1 | Paste | 80° to 265° | Metal | 0000000 | 000000 |
Protective Coatings for Circuit Boards
Shield circuit boards from flux, solder, conformal coatings, and high temperatures. Heat resistant up to 640° F, these temporary coatings are most often used to protect open through-holes and components during wave soldering. Coatings can also act as a short-term adhesive to keep parts in place when you’re soldering a two-sided SMT circuit board. An alternative to masking tapes that require cutting to shape, these gel coatings flow easily into small spaces and don’t leave a residue when removed. They’re also known as solder masks. Product regulations restrict sales to the listed jurisdictions/areas.
Choose wash-away coatings if you use a water-based cleaning process such as a batch or in-line cleaning system. Wash-away coatings with a one-hr. overall dry time are nonflammable. They’re not completely water soluble, so they can’t be used in closed-loop cleaning systems. Coatings with a two-hr. overall dry time are completely water soluble for use in closed-loop cleaning systems. They’re slightly flammable.
Choose peel-away coatings if you use a solvent-based cleaning process or don’t clean your circuit boards. Coatings with a 15-min. overall dry time cure more evenly than peel-away coatings with a one-hr. overall dry time, so they can be applied in thick layers. They’re also nonflammable. Peel-away coatings with a one-hr. overall dry time produce low odors because they don’t contain ammonia.
Dry Time | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Container Size, fl. oz. | Consistency | Touch, min. | Overall | Max. Temp., °F | Specifications Met | For Use On | Color | Features | Cannot Be Sold To | Each | |
Wash Away | |||||||||||
8 | Gel | 60 | 1 hrs. | 640° | MIL-STD-2000 | Aluminum, Brass, Copper, Steel, Stainless Steel, Titanium, Gold, Silver | Blue | __ | Outside United States and Canada | 000000 | 000000 |
8 | Gel | 60 | 2 hrs. | 640° | __ | Aluminum, Brass, Copper, Steel, Stainless Steel, Titanium, Gold, Silver | Red | Closed-Loop Compatible | Outside United States and Canada | 000000 | 00000 |
Peel Away | |||||||||||
8 | Gel | 15 | 15 min. | 640° | MIL-STD-2000 | Aluminum, Brass, Steel, Stainless Steel, Titanium, Gold, Silver | White | __ | Outside United States and Canada | 000000 | 00000 |
8 | Gel | 60 | 1 hrs. | 640° | MIL-STD-2000 | Aluminum, Brass, Copper, Steel, Stainless Steel, Titanium, Gold, Silver | Red | __ | Outside United States and Canada | 000000 | 00000 |