3M™ Scotch-Weld™ Core Splice Adhesive Film AF 3074 FST
- Part Number AF 3074
- 3M Product Number AF 3074
- 3M ID B5005035349
Details
Highlights
- Reliable expansion ratio of up to 230% (>3x the thickness of the uncured film)
- Wide in-service temperature range
- FST tested according to FAR/JAR/CS 25.853(a) App F, part I(a)(1)(ii) and ABD0031
- Easy to handle, cut, and reposition during lay up process
- Cocurable with structural adhesive films and prepregs in 120 °C (248 °F) to 180°C (356 °F) cure cycles
- Long shop life (up to 30 days storage at room temperature outside of the protective bag)
- Suitable for storage at room temperature for 6 months from date of manufacturing, when stored in the sealed protective bag
3M™ Scotch-Weld™ Core Splice Adhesive Film AF 3074 FST is a thermally expanding epoxy adhesive film designed for honeycomb core splicing, reinforcement and edge filling processes typically used in aircraft part fabrication.
Typical properties
| Adhesive Type | Epoxy |
| Maximum Cure Conditions (Celsius) | 180 ℃ |
| Maximum Cure Conditions (Fahrenheit) | 350 ℉ |
| Maximum Operating Temperature (Celsius) | 135 ℃ |
| Maximum Operating Temperature (Fahrenheit) | 275 ℉ |
| Minimum Cure Conditions (Celsius) | 120 ℃ |
| Minimum Cure Conditions (Fahrenheit) | 250 ℉ |
| Minimum Operating Temperature (Celsius) | -67 ℃ |
| Minimum Operating Temperature (Fahrenheit) | -55 ℉ |
Resources
3M™ Scotch-Weld™ AF 3074 FST - TDSData Sheets
(PDF, 372KB)
