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About Structural Adhesives
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Compare epoxy, acrylic, and urethane adhesive options. Then learn about adhesive performance measures and best practices to create a strong bond.
Epoxy Structural Adhesives
 |
Cartridge |
Epoxies are the strongest and most chemical-resistant structural adhesives. They bond especially well on metal.
These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.
7524A161 is solvent free. If the adhesive hardens in the tube, soften in warm water before dispensing.
Model Number 305-1/2 and Model Number 310A/B—Do not contain solvents.
Cartridge—To mix and dispense these adhesives, you'll need a mixer nozzle and dispensing gun.
Paste—Thicker than liquid adhesives but still spreadable—good for filling gaps and covering surfaces.
Thick Liquid—Flow into narrower gaps than gels and pastes, but thick enough to stay put on uneven surfaces.
Container | Strength | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden, min. | Reaches Full Strength, hr. | Shear, psi | Peel, lbf/in. wd. | Mix Ratio | Consistency | Viscosity, cP | Temp. Range, ° F | For Joining | Each | |||
Lord | |||||||||||||||
| 305-1/2 | 1.69 | Cartridge | 60 | 48 | 2,240 | 84 | 1:1 | Thick Liquid | 23,250 | -30 to 250 | Composite, Glass, Metal, Plastic, Rubber, Wood, Metal to Composite, Metal to Glass, Metal to Plastic, Metal to Rubber, Plastic to Composite, Plastic to Glass, Plastic to Rubber, Rubber to Composite, Rubber to Glass, Wood to Glass | 66195A31 | 000000 | ||
| 310A/B | 1.69 | Cartridge | 30 | 24 | 2,520 | 57 | 1:1 | Paste | 535,000 | -40 to 400 | Composite, Glass, Metal, Plastic, Rubber, Wood | 66195A13 | 00000 | ||
Urethane Structural Adhesives
|
Cartridge |
Urethanes are the most flexible adhesives, so they bond dissimilar materials and damp vibration.
Some of these adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.
Cartridge—To mix and dispense these adhesives, you'll need a mixer nozzle and dispensing gun.
Thick Liquid—Flow into narrower gaps than gels and pastes, but thick enough to stay put on uneven surfaces.
Container | Strength | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden, min. | Reaches Full Strength, hr. | Shear, psi | Peel, lbf/in. wd. | Mix Ratio | Consistency | Viscosity, cP | Temp. Range, ° F | For Joining | Each | |||
Lord | |||||||||||||||
| 7150A/B | 1.69 | Cartridge | 5 | 24 | 1,400 | 40 | 2:1 | Thick Liquid | 38,830 | -30 to 240 | Composite, Glass, Metal, Plastic, Rubber, Wood, Metal to Glass, Metal to Plastic, Metal to Rubber, Plastic to Glass, Plastic to Rubber, Rubber to Glass, Wood to Glass | 66195A17 | 000000 | ||
| 7542A/B | 1.69 | Cartridge | 4 | 24 | 1,800 | 50 | 1:1 | Thick Liquid | 6,750 | -30 to 240 | Composite, Glass, Metal, Plastic, Rubber, Wood, Metal to Glass, Metal to Plastic, Metal to Rubber, Plastic to Glass, Plastic to Rubber, Rubber to Glass, Wood to Glass | 66195A24 | 00000 | ||
| 7550A/C | 1.69 | Cartridge | 3 | 72 | 1,500 | 30 | 1:1 | Thick Liquid | 6,080 | -30 to 240 | Glass, Plastic, Rubber, Wood, Metal to Glass, Metal to Plastic, Plastic to Glass, Plastic to Rubber, Wood to Glass | 66195A25 | 00000 | ||
Chemical-Resistant Acrylic Structural Adhesives
|
Cartridge |
Solvents, oils, acids, and other chemicals won't degrade the bond of these adhesives. Acrylics bond with the widest range of materials of any adhesive. They adhere to plastic especially well, requiring little surface preparation.
These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.
Cartridge—To mix and dispense these adhesives, you'll need a mixer nozzle and dispensing gun.
Paste—Thicker than liquid adhesives but still spreadable—good for filling gaps and covering surfaces.
Container | Strength | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden, min. | Reaches Full Strength, hr. | Shear, psi | Peel, lbf/in. wd. | Mix Ratio | Consistency | Viscosity, cP | Temp. Range, ° F | For Joining | Each | |||
Lord | |||||||||||||||
| 403/19 | 1.69 | Cartridge | 2 | 24 | 3,000 | 37 | 4:1 | Paste | 220,000 | -40 to 300 | Composite, Metal, Plastic, Rubber | 66195A26 | 000000 | ||
| 406/19 | 1.69 | Cartridge | 6 | 24 | 2,800 | 26 | 4:1 | Paste | 220,000 | -40 to 300 | Composite, Metal, Plastic, Rubber | 66195A27 | 00000 | ||
| 506/19 | 1.69 | Cartridge | 4 | 24 | 3,500 | 10 | 2:1 | Paste | 130,000 | -40 to 300 | Composite, Metal, Plastic, Rubber | 66195A14 | 00000 | ||
Mixer Nozzles for Two-Part Adhesive Cartridges
 |  |
Tapered Tip |
To simultaneously mix and dispense two-part adhesives, attach these mixer nozzles to a dual cartridge. Mixing elements help combine the two parts of an adhesive as it flows through the nozzle. A short nozzle with many mixing elements combines adhesive while minimizing the adhesive left in the nozzle after dispensing. Choose a nozzle that matches the connection type, size, and mix ratio of your adhesive cartridge.
Twist Lock Fitting Connection
Low-Odor Epoxy Structural Adhesives
|
Cartridge |
Even in enclosed or poorly ventilated spaces, these epoxies form bonds without the noticeable odor other structural adhesives leave behind.
Epoxies are the strongest and most chemical-resistant structural adhesives. They bond especially well on metal.
These adhesives come in two parts that need to be mixed. The container size listed is the combined total of the two parts.
Cartridge—To mix and dispense these adhesives, you'll need a mixer nozzle and dispensing gun.
Thick Liquid—Flow into narrower gaps than gels and pastes, but thick enough to stay put on uneven surfaces.
Container | Strength | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mfr. Model No. | Size, fl. oz. | Type | Begins to Harden, min. | Reaches Full Strength, hr. | Shear, psi | Peel, lbf/in. wd. | Mix Ratio | Consistency | Viscosity, cP | Temp. Range, ° F | For Joining | Each | |||
Lord | |||||||||||||||
| 363A/B | 1.69 | Cartridge | 3 | 6 | 1,400 | 5 | 1:1 | Thick Liquid | 12,750 | -30 to 300 | Composite, Glass, Metal, Plastic, Rubber, Wood | 66195A23 | 000000 | ||
