Description
LORD 305-1 / 305-2 is a general-purpose, two-component epoxy adhesive system designed for applications that require strong, durable, and chemically resistant bonds. Supplied in convenient dual cartridges, this adhesive provides a controlled 1:1 mix ratio for consistent results in repair, maintenance, and production environments.
LORD 305 epoxy is known for its excellent adhesion to prepared metals, fiberglass reinforced plastics (FRP), phenolics, wood, prepared rubber, and other engineered materials. It is widely used in both structural bonding and rubber-to-metal applications where long-term environmental resistance and load-bearing performance are required.
In addition to cartridge packaging, LORD 305-1 resin and 305-2 hardener are also available in bulk hand-mix formats including gallon and pail containers, making the system suitable for both small-scale repairs and higher-volume production operations.
Key Features and Benefits
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General-purpose epoxy adhesive with proven engineering performance
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Strong, durable bonds with excellent load-bearing capability
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Excellent adhesion to metals, FRP, phenolics, wood, and rubber
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Chemically resistant to dilute acids, alkalis, oils, greases, and solvents
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Environmentally resistant to moisture, sunlight, and weathering
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Performs across a wide temperature range from -30°F to 250°F
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Low shrinkage, good creep resistance, and low water absorption
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Can be room-temperature cured or heat cured for faster processing
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Nonflammable, solvent-free, and virtually odorless
Typical Applications
LORD 305 epoxy adhesive is used across a wide range of industrial applications, including:
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Structural bonding of metal components
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Fiberglass reinforced plastic assemblies
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Bonding phenolic panels and laminates
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Wood bonding in industrial and engineered assemblies
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Rubber-to-metal bonding for bushings, mounts, and gaskets
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Rubber-to-rubber bonding applications
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Shock-absorbing devices and vibration isolation components
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Industrial repair and maintenance operations
Compatible Substrates
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Prepared steel and aluminum
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Fiberglass reinforced plastics (FRP)
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Phenolic materials
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Wood and wood composites
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Prepared rubber substrates
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Sheet molded compound (SMC)
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Natural rubber and SBR when properly primed
Technical Specifications
| Property | Value |
|---|---|
| Chemistry | Epoxy |
| Mix Ratio | 1:1 by volume |
| Working Time | 1 to 2 hours at 75°F |
| Time to Handling Strength | 8 to 16 hours |
| Full Cure | 24 to 48 hours |
| Color (Mixed) | Blue liquid |
| Solids Content | 100 percent |
| Service Temperature | -30°F to 250°F |
| Tensile Strength | 3,350 psi |
| Glass Transition Temperature | 141°F |
| Elongation | 9.9 percent |
Cartridge vs Bulk Packaging
Cartridge Packaging
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Pre-metered dual cartridges ensure correct 1:1 mix ratio
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Ideal for maintenance, repair, and controlled application
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Compatible with standard 1:1 epoxy dispensing guns and static mixers
Bulk Hand-Mix Packaging
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LORD 305-1 resin and 305-2 hardener available separately
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Offered in quart and gallon containers
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Suitable for higher-volume applications or brush, spatula, or trowel application
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Allows flexibility for custom batch sizes and application methods
Why Choose LORD 305 Epoxy
LORD 305 epoxy adhesive is a trusted solution for engineers and fabricators who need consistent, durable bonding across a wide range of substrates. Its combination of chemical resistance, environmental durability, and proven rubber-to-metal bonding performance makes it a reliable choice for both structural and elastomeric applications.
Need Help Selecting Packaging or Application Method
Chemical Concepts stocks LORD 305 epoxy in both cartridge and bulk formats. If you need help choosing the right packaging, dispensing equipment, or surface preparation method, contact our technical team:
📞 800-220-1966
✉️ [email protected]
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