LOCTITE CAT9
Harmonization Code : 8529.90 | Parts solely or principally used for TV, radio, and transmission

Main features
- Modified Aliphatic Amine Hardener
- Chemical-Resistant Cured Epoxy
- -40 to 130 deg C Service
Product Description
LOCTITE® CAT 9 is a modified aliphatic amine epoxy hardener designed for use with LOCTITE® potting and encapsulating resin systems. The catalyst provides room-temperature curing capability, low viscosity, good physical strength, and excellent chemical resistance. Its cost-effective formulation and broad resin compatibility make it suitable for electrical encapsulation, casting and industrial epoxy applications requiring reliable curing performance.
Key Features & Benefits
- Modified aliphatic amine epoxy catalyst.
- Room-temperature or heat-cure capability.
- Excellent chemical resistance.
- Low viscosity for easy processing.
- Good physical strength after cure.
- Compatible with a wide range of epoxy resins.
- Cost-effective curing solution.
Recommended Applications
- Potting and encapsulation compounds.
- Electrical insulation systems.
- Electronic component protection.
- Industrial epoxy casting systems.
- General-purpose epoxy curing applications.
TDS, SDS & Technical Documents
Technical Specifications
No specifications available.
Additional Information
Technical Properties
As-Supplied / Before-Processing Properties
| Property | Value | Unit | Condition |
|---|---|---|---|
| Technology | Modified Aliphatic Amine | — | Epoxy Hardener |
| Appearance | Amber Liquid | — | As supplied |
| Specific Gravity | 0.99 | — | 25°C |
| Density | 0.99 | g/cm³ | 25°C |
| Viscosity | 90 | mPa·s (cP) | Uncured material |
| Pot Life (100 g @ 25°C) | 45 | minutes | Typical value |
| Shelf Life | 548 | days | 25°C storage |
Technical Properties
After-Processing / Final-State Properties
| Property | Value | Unit | Condition / Method |
|---|---|---|---|
| Recommended Cure Schedule | 16 - 24 | hours | 25°C room temperature cure |
| Accelerated Cure | 2 | hours | 65°C |
| Continuous Operating Temperature | -40 to +130 | °C | Typical cured system |
| Intermittent Operating Temperature | 150 | °C | Typical cured system |
| Skin Corrosion Classification | Category 1B | — | H314 |
| Eye Damage Classification | Category 1 | — | H318 |
| Skin Sensitization | Category 1 | — | H317 |
| Environmental Classification | Aquatic Chronic 2 | — | H411 |
| VOC Content | <3 | % | 2010/75/EC |





















