Araldite 1570 FST A/B is a two-component epoxy adhesive manufactured by Huntsman, specifically designed for high-performance industrial sectors such as aerospace. Renowned for its excellent strength, durability, and compliance with stringent fire safety standards.
This advanced aerospace-grade adhesive is easy to mix and apply, suitable for both manual and robotic dispensing. For optimal bonding performance, proper surface pretreatment including degreasing followed by mechanical abrasion or chemical etching is required. Offers recommended cure cycles of 48 hours at 23°C or 90 minutes at 60°C to accommodate various production schedules.
| Property | Test Method | Value / Description | Condition / Note |
|---|---|---|---|
| Lap Shear Strength (Aluminium) | ISO 4587 | Typical average values | Tested on chromic acid etched Al 2024 T3; Cure: 48 hrs at 23°C |
| Lap Shear Strength (Plastic-Plastic) | ISO 4587 | Typical average values | Cure: 48 hrs at 23°C |
| Glass Transition Temperature (Tg) | - | ca. 60 °C | Cure: 48 hrs at 23°C |
| Flammability | Bunsen Burner Test (Vertical-60s) | Typical average values | Standard: FAR 25.853(a)/AITM 2.0002A; Cure: 4 hrs at 60°C |
| Smoke Density (Ds max after 4 min) | FAR 25.853(c-1)/AITM 2.0007B | 46 (Maximum limit: 200) | Flaming mode; Typical average value; Cure: 4 hrs at 60°C |
| Smoke Toxicity | AITM 3.0005/ABD 0031 | Typical average values | Cure: 4 hrs at 60°C |
Araldite 1570 FST features outstanding flame, smoke, and toxicity performance. The cured material passes relevant aerospace standards tests, exhibiting low smoke density and low smoke toxicity when burned - critical for ensuring cabin safety. Delivers high lap shear strength on substrates like aluminum and plastics.
Widely used in aerospace for bonding interior components including cabin ceilings, sidewall panels, overhead bins, partitions, and floor panels made of composites. Its FST properties fully comply with aviation regulations like FAR 25.853, ensuring valuable time for passenger evacuation in fire scenarios.
