LOCTITE EA E-40HT
Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other
Main features
- Extended work life
- High structural bond strength
- Thermal and chemical resistance
Product Description
LOCTITE® EA E-40HT™ is a two-component, high-viscosity epoxy adhesive designed for structural bonding applications. The adhesive cures at room temperature after mixing and forms a tough, off-white bondline with strong resistance to shear and impact forces. LOCTITE® EA E-40HT™ offers elevated temperature resistance, excellent mechanical and electrical properties, and resistance to a wide range of solvents and chemicals. It develops strong bonds on aluminum, steel, stainless steel, glass, ceramics, and many plastics, making it suitable for demanding industrial assembly and maintenance applications where durable adhesive performance is required.
Key features
- Extended work life: Approximately 40 minutes application window after mixing supports complex assembly operations.
- High structural bond strength: Achieves lap shear strengths up to 28 N/mm² on grit-blasted steel and 26 N/mm² on abraded aluminum.
- Thermal and chemical resistance: Maintains performance at elevated temperatures and withstands exposure to various solvents and chemicals.
Applications / Suitable for
- Structural bonding of aluminum, steel, and stainless steel components
- Bonding glass and ceramic substrates
- Industrial assembly requiring impact and shear resistance
- Applications requiring elevated temperature performance
- Bonding selected plastic materials for industrial use
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Physical Properties
Thermal Properties
Additional Information
As-supplied / before-processing properties
Representative as-supplied and processing properties for the mixed adhesive and individual components.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Mix Ratio | 2:1 | Volume | Resin : Hardener |
| Mixed Viscosity | 16,000 | mPa·s | Cone & Plate, 100 s⁻¹, 25°C |
| Specific Gravity | 1.13 | - | Mixed material at 25°C |
| Fixture Time | 165-180 | min | Steel, ISO 4587, 22°C |
| Application Window | 40 | min | Recommended working time after mixing |
After-processing / final-state properties
Representative cured properties. Values are typical test results, not guaranteed specifications.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Lap Shear Strength (Steel) | 28 | N/mm² | 5 days cure at 22°C |
| Lap Shear Strength (Aluminum) | 26 | N/mm² | Abraded aluminum, 5 days cure |
| Glass Transition Temperature (Tg) | 57 | °C | ISO 11359-2, 5 days cure |
| Shore Hardness | 79 | Shore D | ISO 868 |
| Dielectric Breakdown Strength | 33 | kV/mm | IEC 60243-1 |
