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Thermal Conductivity Thermal Conductivity |
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For Use On For Use On |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Adhesive Location Adhesive Location |
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Electrical Properties Electrical Properties |
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About Grease
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About Lubricants
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Heat Sink Compounds
Bond heat sinks to surfaces, eliminating air gaps for maximum heat transfer. These compounds are commonly used with transistors, diodes, rectifiers, and transformers. Product regulations restrict sales to the listed jurisdictions/areas.
Zinc-oxide compounds create a more secure bond than silicone compounds.
Container | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thermal Conductivity | Temp. Range, °F | Type | Size, fl. oz. | Net Weight, lbs. | Manufacturer | Manufacturer Model Number | Specifications Met | Cannot Be Sold To | Each | |
Silicone | ||||||||||
| 0.68 W/m-K @ 97° F | -40° to 390° | Tube | 5 | __ | Dow Corning | 340 | __ | __ | 00000000 | 000000 |
| 0.75 W/m-K @ 97° F | -40° to 400° | Tube | 8 | __ | __ | __ | __ | __ | 00000000 | 00000 |
| 0.75 W/m-K @ 97° F | -40° to 400° | Pail | __ | 80 | __ | __ | __ | __ | 000000000 | 00000000 |
Zinc Oxide | ||||||||||
| 0.92 W/m-K @ 97° F | -40° to 320° | Tube | 2 | __ | __ | __ | MIL-C-47113 | __ | 0000000 | 00000 |
| 0.92 W/m-K @ 97° F | -40° to 320° | Syringe | 1 | __ | __ | __ | MIL-C-47113 | __ | 00000000 | 00000 |
| 0.92 W/m-K @ 97° F | -40° to 390° | Tube | 4 | __ | __ | __ | ASTM D5470 | Outside United States and Canada | 00000000 | 00000 |
| 0.92 W/m-K @ 97° F | -40° to 390° | Jar | 16 | __ | __ | __ | ASTM D5470 | Outside United States and Canada | 00000000 | 00000 |
| 5 W/m-K @ 97° F | -40° to 500° | Tube | 2 | __ | __ | __ | __ | __ | 00000000 | 00000 |
| 5 W/m-K @ 97° F | -40° to 500° | Tube | 4 | __ | __ | __ | __ | __ | 00000000 | 00000 |
| 5 W/m-K @ 97° F | -40° to 500° | Jar | 16 | __ | __ | __ | __ | __ | 00000000 | 000000 |
| 5 W/m-K @ 97° F | -40° to 500° | Syringe | 1 | __ | __ | __ | __ | __ | 00000000 | 00000 |
Non-Bonding Heat Transfer Compounds
Also known as thermal paste, these boron-nitride compounds increase heat transfer between parts while preventing them from sticking. Unlike antiseize compounds, they don't conduct electricity, so you won't risk shorting out sensitive electronics. They're often used on thermocouple probes to improve accuracy. You can also use them in 3D printer heating blocks and other high-temperature areas to keep parts from fusing together.
Container | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size, fl. oz. | Type | Chemical | Max. Temp. | Thermal Conductivity | Color | Includes | For Use On | Compatible With | Each | |
| 0.2 | Syringe | Boron Nitride | 1,562º F 850º C | 31.4 W/m-K @ 212° F | White | Three Applicator Brushes | 3D Printer Extruder Heating Elements, Electrical Components | Aluminum, Brass, Copper, Iron, Nickel, Stainless Steel, Steel, Titanium | 0000000 | 000000 |
| 1 | Syringe | Boron Nitride | 1,562º F 850º C | 31.4 W/m-K @ 212° F | White | __ | 3D Printer Extruder Heating Elements, Electrical Components | Aluminum, Brass, Copper, Iron, Nickel, Stainless Steel, Steel, Titanium | 0000000 | 00000 |
Heat-Transfer Putty
To eliminate air gaps that can cause heat loss and premature heater failure, mold this putty around heat cable to make direct contact with the pipe.
Container | |||||||
|---|---|---|---|---|---|---|---|
| Size | Type | Begins to Harden, hrs. | Reaches Full Strength, hrs. | For Surface Material | For Use Outdoors | Each | |
450° F Max. Temp. | |||||||
| 10 fl. oz. | Cartridge | __ | __ | Ceramic, Glass, Metal, Plastic | Yes | 0000000 | 000000 |
| 32 fl. oz. | Cartridge | __ | __ | Ceramic, Glass, Metal, Plastic | Yes | 0000000 | 00000 |
| 1 qt. | Can | __ | __ | Ceramic, Glass, Metal, Plastic | Yes | 0000000 | 00000 |
| 1 gal. | Can | __ | __ | Ceramic, Glass, Metal, Plastic | Yes | 0000000 | 00000 |
| 5 gal. | Can | __ | __ | Ceramic, Glass, Metal, Plastic | Yes | 0000000 | 000000 |
750° F Max. Temp. | |||||||
| 10 fl. oz. | Cartridge | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 32 fl. oz. | Cartridge | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 1 qt. | Can | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 1 gal. | Can | 6 | 24 | Ceramic, Glass, Metal | No | 000000 | 00000 |
| 5 gal. | Can | 6 | 24 | Ceramic, Glass, Metal | No | 000000 | 000000 |
1,250° F Max. Temp. | |||||||
| 10 fl. oz. | Cartridge | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 32 fl. oz. | Cartridge | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 1 qt. | Can | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 1 gal. | Can | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 00000 |
| 5 gal. | Can | 1 | 24 | Ceramic, Glass, Metal, Plastic | No | 0000000 | 000000 |
Heat-Transfer Tape
Quickly conduct heat away from electronic components. Tape is made of Kapton® polyimide for excellent electrical isolation, and the thermally conductive silicone facing gives it a nonstick surface.
| Wd. | Overall Thick. | Material | Facing Material | Adhesive Type | Temperature Range, °F | Voltage Rating | Thermal Conductivity | Color | Each | |
3 ft. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 000000 |
| 1" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 00000 |
| 2" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 00000 |
54 ft. | ||||||||||
| 1/2" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 000000 |
| 1" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 000000 |
| 2" | 0.0045" | Kapton® Polyimide Plastic | Silicone Rubber | Acrylic | -20° to 300° | Not Rated | 0.6 W/m-K | Green | 0000000 | 000000 |
Heat-Transfer Mounting Tape
Use this tape to attach components to heat sinks and metal chassis walls in place of screws and other mechanical fasteners. It conducts heat away from sensitive electronics.
Aluminum foil tape conducts electricity.
Heat-Transfer Foil
Made of indium, this foil is more thermally conductive than thermal interface materials (TIMs) made of plastic. By efficiently pulling heat away from components that produce heat, such as CPUs, this foil lets you use smaller forced cooling systems to extend battery life. It’s also softer and more ductile than paste and putty, covering surfaces better to minimize airflow gaps and increase heat flow. Unlike paste and grease, this foil won’t leach out from between surfaces over time, nor will it dry out and lose effectiveness. It’s clean, easy to install and reposition, and requires no surface preparation. Foil is corrosion resistant and doesn’t need special storage.
Foil with 48% tin has greater tensile and shear strength than foil without tin, but is less thermally conductive.
Each | Package | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thickness | Tensile Strength, psi | Shear Strength, lbs./sq. in. | Maximum Temperature, °F | Thermal Conductivity @ Temperature | Electrical Resistivity | For Use Outdoors | Each | Pkg. Qty. | Pkg. | ||
2" × 2" | |||||||||||
Indium | |||||||||||
| 0.004" | 270 | 890 | 255° | 86 W/m-K @ 185° F | 7.2×106 ohms-cm | No | 0000000 | 000000 | 20 | 0000000 | 0000000 |
| 0.01" | 270 | 890 | 255° | 86 W/m-K @ 185° F | 7.2×106 ohms-cm | No | 0000000 | 00000 | 20 | 0000000 | 000000 |
Indium Alloy (48% Tin) | |||||||||||
| 0.004" | 1,730 | 1,620 | 190° | 34 W/m-K @ 185° F | 1.5×105 ohms-cm | No | 0000000 | 00000 | 20 | 0000000 | 000000 |
| 0.01" | 1,730 | 1,620 | 190° | 34 W/m-K @ 185° F | 1.5×105 ohms-cm | No | 0000000 | 00000 | 20 | 0000000 | 000000 |
Circuit Board Coolers
Also known as thermal pads and thermal interface pads, these heat-dissipating pads pull heat away from electronic components. They’re often used to fill gaps between two surfaces that require thermal contact. All meet UL 94 V-0 for flame retardance.
| Lg. | Wd. | Thick. | Material | Color | Temp. Range, °F | Tensile Strength | Voltage | Hardness | Specifications Met | Each | |
Round | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1" | 1" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 00000 |
Diamond | |||||||||||
| 1 21/32" | 1 5/32" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
| 1 25/32" | 1 1/4" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
Rectangular | |||||||||||
| 3/4" | 1/2" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
| 13/16" | 15/16" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
| 7/8" | 3/4" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
| 1" | 3/4" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
| 1 7/16" | 27/32" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 0000 |
Square | |||||||||||
| 12" | 12" | 0.009" | Fiberglass-Reinforced Silicone Rubber | Pink | -75° to 355° | 1,300 psi | 5,500V AC | Durometer 92A | UL 94 V-0 | 000000 | 00000 |
Conductive Liquid Gallium
A safe alternative to mercury in thermometers and thermostats, gallium transfers heat and electricity without toxic vapor that can be inhaled. Also known as Galinstan. Its low melting point means it's liquid at room temperature. When used next to parts that generate concentrated heat, it dissipates the heat quickly, making it good thermal interface material. It also allows electricity to pass throughout it, so it's often used in switches and electronics that must bend and flex.
Gallium clings to both metallic and nonmetallic surfaces such as glass and quartz. However, it eats away at most metal when used at high temperatures and dissolves aluminum even at ambient temperatures.
When choosing gallium, keep in mind its composition. The higher the gallium and indium content, the better it is at transferring heat. Gallium with tin reduces the melting point, but also decreases how well it transfers heat.
Material Composition | Container | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gallium | Indium | Tin | Size, fl. oz. | Type | Melting Temperature, °F | Maximum Temperature, °F | For Use On | Each | |
| 66.5% | 20.5% | 13% | 0.1 | Syringe | 50° | 930° | Glass, Nickel Alloys, Quartz, Stainless Steel, Steel | 0000000 | 0000000 |
| 75.5% | 24.5% | __ | 0.1 | Syringe | 60° | 930° | Glass, Nickel Alloys, Quartz, Stainless Steel, Steel | 0000000 | 000000 |
Electrically and Thermally Conductive Grease
A high silver content gives this grease excellent conductivity for applications where electricity and heat transfer are required. It is suitable for ESD (electrostatic discharge) and EMI (electromagnetic interference) shielding applications.
NLGI viscosity grade is a rating of a grease's consistency. NLGI 2 is about the consistency of peanut butter.
Electrical resistivity is a measure of 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.
Grease lubricates most efficiently within the listed temperature range. Melting temperature is the point at which grease will fail and run out of equipment, leaving it to run dry.
Container | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NLGI Viscosity Grade | Base Oil | Additive | Size, fl. oz. | Type | Temp. Range, °F | Melting Temp., °F | Electrical Resistivity, ohms-cm | Thermal Conductivity | Color | Each | |
Grease without Thickener | |||||||||||
| 2 | Synthetic | 75% Silver | 1 | Jar | -70° to 500° | Not Rated | 0.005 | 60 Btu/hr. × in./sq. ft./°F | Silver | 0000000 | 0000000 |
| 2 | Synthetic | 85% Silver | 0.5 | Jar | -40° to 300° | Not Rated | 0.005 | 60 Btu/hr. × in./sq. ft./°F | Silver | 0000000 | 000000 |
| 2 | Synthetic | 85% Silver | 1 | Jar | -40° to 300° | Not Rated | 0.005 | 60 Btu/hr. × in./sq. ft./°F | Silver | 0000000 | 000000 |