Product Introduction
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. It offers reliable performance with easy handling and versatility in demanding aerospace applications.
3M™ Scotch-Weld™ Core Splice Adhesive Film AF 3074 FST Features
- 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 Applications
- Honeycomb core splicing
- Core reinforcement
- Edge filling in aircraft part fabrication
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Adhesive Type | Epoxy |
| Maximum Cure Conditions (Celsius) | 180 °C |
| Maximum Cure Conditions (Fahrenheit) | 350 °F |
| Maximum Operating Temperature (Celsius) | 135 °C |
| Maximum Operating Temperature (Fahrenheit) | 275 °F |
| Minimum Cure Conditions (Celsius) | 120 °C |
| Minimum Cure Conditions (Fahrenheit) | 250 °F |
| Minimum Operating Temperature (Celsius) | -67 °C |
| Minimum Operating Temperature (Fahrenheit) | -55 °F |
