LOCTITE EA E-120HP
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
- 120-Minute Working Life
- Peel, Impact, Thermal-Shock, and Chemical Resistance
- Aerospace and Industrial Bonding
Product Description
LOCTITE® EA E-120HP is a two-component, high-viscosity epoxy adhesive with an extended working life and room-temperature cure. The resin and polyamide hardener mix at a 2:1 ratio by volume to form a tough, amber-beige bondline with resistance to peel, impact, thermal shock, solvents, and chemicals. The adhesive bonds dissimilar materials, including aluminum, steel, other metals, plastics, and ceramics. Its combination of a 120-minute working life and durable cured properties supports aerospace nose-cone bonding and low-stress general industrial assemblies requiring high peel and impact strength.
Key features
- Extended working life: The mixed adhesive has a typical working life of 120 minutes for applications requiring additional assembly time.
- Tough cured bondline: The room-temperature-curing epoxy is formulated for resistance to peel, impact, and thermal shock.
- Broad substrate bonding: Suitable for bonding aluminum, steel, other metals, plastics, and ceramics.
Applications / Suitable for
- Aerospace nose-cone bonding
- Low-stress general industrial assemblies requiring high peel and impact strength
- Bonding dissimilar metals, plastics, and ceramics
TDS, SDS & Technical Documents
Technical Specifications
General Properties
Physical Properties
Thermal Properties
Mechanical Properties
Electrical Properties
Additional Information
As-supplied / before-processing properties
Typical properties of the separate components and mixed adhesive.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Appearance | Resin: off-white to beige liquid; hardener: amber liquid; mixture: amber-beige | — | Visual |
| Mix ratio, resin:hardener | 2:1 | By volume | Two-component system |
| Mix ratio, resin:hardener | 100:46 | By weight | Two-component system |
| Resin viscosity | 41,000–61,000 | mPa·s (cP) | Brookfield RVT, 25 °C, spindle 7, 50 rpm |
| Hardener viscosity | 2,000–4,000 | mPa·s (cP) | Brookfield RVT, 25 °C, spindle 5, 50 rpm |
| Specific gravity | Resin: 1.1; hardener: 1.0; mixed: 1.1 | — | At 25 °C |
| Working life | 120 | min | Mixed adhesive |
| Tack-free time | 140 | min | Mixed adhesive; low humidity |
After-processing / final-state properties
Typical physical, electrical, and adhesive properties after the specified cure conditions.
| Property | Value | Unit | Method / condition |
|---|---|---|---|
| Glass transition temperature | 90 | °C | ASTM E1640; cured 7 days at 22 °C |
| Shore hardness | 76–90 | Durometer D | ISO 868; cured 16–18 h at 22 °C followed by 2 h at 65 °C |
| Elongation | 10 | % | ISO 527-2; cured 7 days at 22 °C |
| Tensile strength | 41 | N/mm² | ISO 527-3; cured 7 days at 22 °C |
| Dielectric breakdown strength | 25 | kV/mm | IEC 60243-1; cured 7 days at 22 °C |
| Lap shear strength, aluminum | ≥13.7 | N/mm² | Acid-etched aluminum; cured 2 h at 65 °C |
| Lap shear strength, steel | 30 | N/mm² | Grit-blasted steel; cured 12 h at 65 °C |
| Lap shear strength, aluminum | 33 | N/mm² | Acid-etched and abraded aluminum; 0.1–0.2 mm gap; cured 12 h at 65 °C |
