Loctite EA 9340 Epoxy Adhesive 2.68oz
Loctite EA 9340 is a two-part, high-performance epoxy adhesive paste engineered for demanding industrial, automotive, and commercial maintenance applications.
This versatile epoxy paste bridges gaps and bonds dissimilar materials cleanly. Once fully cured, Loctite EA 9340 can be drilled, tapped, sanded, and painted, making it ideal for finish work, tool repairs, and structural component bonding.
Key Performance Benefits
- High-Temperature Resistance: Maintains structural bond strength under severe thermal exposure and chemical contact.
- Post-Cure Machinability: Fully paintable and can be sanded or drilled without cracking or flaking.
- Multi-Substrate Adhesion: Bonds wood, metal, ceramic, and most rigid plastics.
- Accelerated Heat Cure Options: Can be heat-cured in as little as 1 hour to minimize line downtime.
- In Stock for Bulk Pricing: Available direct for commercial and wholesale procurement.
Technical Specifications
- Product Name / Part Number: Loctite EA 9340
- Net Weight: 75.9 g
- Appearance / Color: Grey / Gray (after thorough Part A & Part B mixing)
- Compatible Substrates: Ceramic, Metal, Plastic, Wood
- Handling Strength Time: 6 to 8 hours at 77°F (25°C)
- Full Cure Time (Room Temperature): 24 hours at 77°F (25°C)
- Heat Cure Schedule Options: 2 hours at 140°F (60°C) OR 1 hour at 180°F (82°C)
- Max Mix Batch Size: Do not mix quantities greater than 1 lb (0.45 kg) to prevent excessive exotherm/heat build-up
- Optimal Storage Temperature: 8°C to 21°C (46°F to 70°F). Storage below 8°C or above 28°C can adversely affect properties
- Chemical Safety & Restrictions: Not recommended for pure oxygen/oxygen-rich systems; do not use as a sealant for chlorine or strong oxidizers
Recommended Surface Prep & Application Accessories
To ensure maximum tensile shear strength and substrate adhesion, clean all target surfaces thoroughly prior to mixing using Loctite 7063. Mix Part A and Part B completely until all green and gray streaks disappear into a uniform grey mixture.
Frequently Asked Questions
Q: What is the full cure time for Loctite EA 9340?
A: Full cure is achieved in 24 hours at room temperature (77°F / 25°C), with handling strength achieved within 6 to 8 hours. Full cure can be accelerated to 1 hour at 180°F (82°C) or 2 hours at 140°F (60°C).
Q: Can Loctite EA 9340 be machined or painted after curing?
A: Yes. After achieving full cure, Loctite EA 9340 can be sanded, drilled, machined, and painted for finish work.
Q: Why is there a maximum batch limit of 1 lb for mixing?
A: Mixing Part A and Part B generates an exothermic chemical reaction. Mixing quantities larger than 1 lb (0.45 kg) produces excessive heat build-up that can prematurely reduce working life or cause thermal stress.
Q: Can Loctite EA 9340 be used in oxygen or chlorine systems?
A: No. It is explicitly not recommended for pure oxygen, oxygen-rich environments, or strong oxidizing systems such as chlorine.
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