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What are Structural Epoxy Adhesives?
Often referred to as "epoxy glue," epoxy adhesives generally tend to be viscous liquids or pastes, although self-leveling liquids are available. In general, epoxies have a low odor when uncured and are less sensitive to slight variations in mix ratio. Also, epoxy adhesives offer long open times, allowing for the repositioning and assembly of complex shapes. Final properties develop within 24 hours at room temperature.
Substrates for Epoxy Bonding Adhesive
What substrates do structural epoxy adhesives bond?
- Composites
- Plastics TPU/TPE
- Prepared Metals
- Bare Metals
- Rubber/EPDM
- Foams
- Ceramics/Stone
- Wood
Advantages of Epoxy Adhesives
Why choose epoxy adhesives over other adhesive options?
- High strength adhesives and sealants for industrial, OEM, tier suppliers, and defense
- Single- and two-component systems for high volume and convenience dispensing
- High-temperature performance
- Chemically resistant
- Bond a wide variety of substrates
- Low odor
- Cure can be accelerated with heat
- Cryogenic version available
- Adaptable to all process needs:
- Mix ratio options for flexibility and modulus
- Low viscosity, liquid formulations
- High viscosity, paste formulations
Featured Structural Epoxy Adhesive Products
LORD 300 Series Epoxy Adhesives
LORD 304 | LORD 305 | LORD 306 | LORD 309 | LORD 310 | LORD 312 | LORD 320
- Bond prepared metals, cured rubber, urethane, plastics, FRP, SMC, foams, concrete, ceramic, stone & carbon fiber
- High strength / high temperature
- Low odor, long shelf life
- Room temperature or heat cure
LORD 360 Series Epoxy Adhesives
LORD 360 | LORD 363
- Bond scuffed SMC, FRP, wood, plastics, foams, concrete, ceramic, stone & carbon fiber
- Rapid cure at room temperature
- No solvent, non-flammable
- Low odor
- Cryogenic option (LORD 3170 A/B)
Our Portfolio of Epoxy Adhesives
|
Description |
Work Time |
Handling Time |
|
| High Strength Structural Bonding | 310-A/ 310- B |
High performance, thixotropic, formulated for primerless adhesion to composites and treated metals. | 0.5-1 hr | 6-8 hr |
| 320/310-B | Toughened, high peel strength, high viscosity, formulated for bonding cured rubber treated with LORD 7701 adhesion enhancer / surface modifier. | 0.5-1 hr | 6-8 hr | |
| 320/322 | Toughened, durable, impact resistant, very high viscosity, excellent environmental resistance. | 20-40 min | 2-4 hr | |
| General Purpose Bonding | 305-1/ 305-2 | General purpose, self-leveling, high strength, durable, and chemically resistant. | 1-2 hr | 8-16 hr |
| 305-1/ 307-2 | 1-2 hr | 8-16 hr | ||
| Rapid Cure Bonding | 360-A/ 360-B | Fast set with a low viscosity. | 2-4 min | 5-10 min |
| 363-A/ 363-B | 3-5 min | 15-30 min | ||
| Specialty Bonding | 304-1/ 304-2 | General purpose, high viscosity, gap filling and non-sag adhesive.
|
1-2 hr | 8-16 hr |
| 306-1/ 306-2 | General purpose, gap filling, non-sag, meets MIL-A-24456 for damping tiles to steel. | 1-2 hr | 8-16 hr | |
| 309-1D/ 309-2D | High performance, thixotropic, gap filling, non-sag, precise bondline control with glass bead option available. | 1.5-2 hr | 8-16 hr | |
| 309-1D GB/ 309-2D | 1.5-2 hr | 8-16 hr | ||
| 312-A/ 312-B | Epoxy with high elongation, low viscosity, flowable for potting and thin film encapsulation. | 6-8 min | 20-30 min | |
| 3170-A/ 3170-B | High strength for cryogenic temperatures, and minimal outgassing. | 2 hr | 24 hr |
Blogs
Resources
Beyond Ordinary Glue Part 3: Using Epoxy Adhesives
What are epoxy adhesives and where should you use them? Read on to learn everything you need to know about epoxy adhesives.
Choosing the Right Adhesive for the Job
The first post in this blog series, based on key learnings from our Structural Adhesives 101 webinar, focused on the fundamentals of structural adhesives and common terms related to adhesives. Now that you know the basics, it’s time to consider which adhesive is ideal for your application.
Adhesives vs. Welding
When it comes time to determine the best fastening method, the debate is often over whether to use adhesives or weld. Structural adhesives offer many advantages over mechanical fastening methods, in industries ranging from automotive, signage, and construction.
Selector Guide: LORD Structural Adhesives
Finding the perfect adhesives for your manufacturing needs can be a hassle. Determine the perfect bead length and diameter, choose a product by chemistry or application and review the different packaging sizes available and other accessories needed.
Structural Adhesive - Frquently Asked Questions
Looking for frequently asked questions about structural adhesives? You've found the right place. Our technical support teams, scientists, and application engineers have developed a comprehensive list of answers to some of the top questions we get asked.
How To Videos
Want to know how to use structural adhesives? Traditional welding and rivets are a time of the past. Our structural adhesives hold up against welding and other mechanical fasteners. Watch how our adhesives stand up to welding and how to use them.
Not sure which epoxy adhesive you need? Talk with one of our experts.
Call Us at 877-275-5673