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Epoxy

Industrial Epoxy Adhesives

Epoxy Adhesives for Structural Bonding

Two-part (2K) epoxy for metal, composite, stone, wood, and engineered plastic.

Two-part epoxy adhesives cure into rigid, load-bearing joints, so they often replace welds, screws, and rivets. Because the resin and hardener come in a dual cartridge, every bead mixes at the correct ratio. As a result, you get consistent strength from the first part to the last.


Comparison chart of epoxy adhesives, MMA, and urethane structural adhesives

Click image to expand

Epoxy Adhesives vs. MMA and Urethane

All three chemistries build high-strength bonds. However, each one trades speed, flexibility, and environmental resistance differently. For example, epoxy wins on heat and rigidity, while MMA wins on cure speed. Compare the full range in structural adhesives.

Epoxy: Strength and Heat Resistance

  • First choice for bond strength and heat resistance.
  • Rigid bonds that also hold up over years on metal, stone, and composites.
  • Best for: concrete, prepped metals, wood, and composites.

MMA: Speed and Versatility

  • Fast cure and also minimal surface prep.
  • Especially good at bonding dissimilar substrates.
  • Best for: plastics, composites, and metal fabrication. See acrylic adhesives.

Urethane: Flexibility and Impact

  • High elongation, so joints absorb shock instead of cracking.
  • Good UV and weather resistance as well.
  • Best for: painted metals, plastics, rubber, and foam. See urethane adhesives.

Why Choose Structural Epoxy Adhesives

  • High shear and peel strength, so load-bearing joints stay permanent.
  • Chemical and heat resistance, so bonds stay reliable in harsh environments.
  • Gap-filling and non-sag options for vertical, overhead, or uneven surfaces.
  • Dual-cartridge packaging for clean 1:1 or 2:1 mix ratios. Pair each cartridge with the right gun and static mixing nozzles.

Featured Epoxy Brands and Products

Parker LORD®

LORD 310 A/B Epoxy is the go-to two-part epoxy for structural metal and composite bonding. It also balances tensile, peel, and chemical resistance.

  • Durable and also fatigue resistant
  • Easy 1:1 cartridge mixing

Huntsman Araldite®

Araldite 2012 is a fast-setting epoxy that bonds metals, plastics, and composites. Because it sets quickly, it suits assembly lines and precision work.

  • Fast cure (5 to 10 minutes)
  • High peel as well as impact resistance

Chem-Set®

Chem-Set 633 Gel is a rapid-gelling, gap-filling epoxy for field repairs and quick fixturing. Since it is a thick paste, it stays put instead of running.

  • High-viscosity, non-sag paste
  • Sets in 3 to 5 minutes

Ultralok®

Ultralok UL5405NS is a thixotropic epoxy for vertical and overhead joints. In addition, it fixtures fast and holds a controlled bead profile.

  • Non-sag, so it holds on vertical joints
  • Fast-setting while still high strength

Permabond®

Permabond ET505 is a toughened epoxy for metals and composites. For this reason, it performs well in assemblies that see vibration.

  • Resists shock and cyclic loading
  • Excellent peel strength as well

Pacer ZAP®

Z-Poxy 30 Minute Epoxy is a clear two-part epoxy for light industrial, marine, and repair work. Also, the longer open time helps on larger parts.

  • 30-minute work time
  • Clear finish and also low odor

Need Help Choosing Epoxy Adhesives?

First, tell us your substrates, cure time, joint design, and service conditions. Then our team will recommend the right cartridge or bulk system. Call (800) 220-1966 or email [email protected].

Industrial Epoxy Adhesives

Epoxy Adhesives for Structural Bonding

Two-part (2K) epoxy for metal, composite, stone, wood, and engineered plastic.

Two-part epoxy adhesives cure into rigid, load-bearing joints, so they often replace welds, screws, and rivets. Because the resin and hardener come in a dual cartridge, every bead mixes at the correct ratio. As a result, you get consistent strength from the first part to the last.


Comparison chart of epoxy adhesives, MMA, and urethane structural adhesives

Click image to expand

Epoxy Adhesives vs. MMA and Urethane

All three chemistries build high-strength bonds. However, each one trades speed, flexibility, and environmental resistance differently. For example, epoxy wins on heat and rigidity, while MMA wins on cure speed. Compare the full range in structural adhesives.

Epoxy: Strength and Heat Resistance

  • First choice for bond strength and heat resistance.
  • Rigid bonds that also hold up over years on metal, stone, and composites.
  • Best for: concrete, prepped metals, wood, and composites.

MMA: Speed and Versatility

  • Fast cure and also minimal surface prep.
  • Especially good at bonding dissimilar substrates.
  • Best for: plastics, composites, and metal fabrication. See acrylic adhesives.

Urethane: Flexibility and Impact

  • High elongation, so joints absorb shock instead of cracking.
  • Good UV and weather resistance as well.
  • Best for: painted metals, plastics, rubber, and foam. See urethane adhesives.

Why Choose Structural Epoxy Adhesives

  • High shear and peel strength, so load-bearing joints stay permanent.
  • Chemical and heat resistance, so bonds stay reliable in harsh environments.
  • Gap-filling and non-sag options for vertical, overhead, or uneven surfaces.
  • Dual-cartridge packaging for clean 1:1 or 2:1 mix ratios. Pair each cartridge with the right gun and static mixing nozzles.

Featured Epoxy Brands and Products

Parker LORD®

LORD 310 A/B Epoxy is the go-to two-part epoxy for structural metal and composite bonding. It also balances tensile, peel, and chemical resistance.

  • Durable and also fatigue resistant
  • Easy 1:1 cartridge mixing

Huntsman Araldite®

Araldite 2012 is a fast-setting epoxy that bonds metals, plastics, and composites. Because it sets quickly, it suits assembly lines and precision work.

  • Fast cure (5 to 10 minutes)
  • High peel as well as impact resistance

Chem-Set®

Chem-Set 633 Gel is a rapid-gelling, gap-filling epoxy for field repairs and quick fixturing. Since it is a thick paste, it stays put instead of running.

  • High-viscosity, non-sag paste
  • Sets in 3 to 5 minutes

Ultralok®

Ultralok UL5405NS is a thixotropic epoxy for vertical and overhead joints. In addition, it fixtures fast and holds a controlled bead profile.

  • Non-sag, so it holds on vertical joints
  • Fast-setting while still high strength

Permabond®

Permabond ET505 is a toughened epoxy for metals and composites. For this reason, it performs well in assemblies that see vibration.

  • Resists shock and cyclic loading
  • Excellent peel strength as well

Pacer ZAP®

Z-Poxy 30 Minute Epoxy is a clear two-part epoxy for light industrial, marine, and repair work. Also, the longer open time helps on larger parts.

  • 30-minute work time
  • Clear finish and also low odor

Need Help Choosing Epoxy Adhesives?

First, tell us your substrates, cure time, joint design, and service conditions. Then our team will recommend the right cartridge or bulk system. Call (800) 220-1966 or email [email protected].

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