Product Introduction
3M™ Scotch-Weld™ Core Splice Adhesive Film AF 3074 FST is a thermally expanding epoxy adhesive film designed for critical aerospace applications. It is specifically used for honeycomb core splicing, reinforcement, and edge filling during the fabrication of aircraft parts. This film offers a reliable expansion ratio of up to 230% and is FST (Flame, Smoke, and Toxicity) tested to meet stringent aviation safety standards. Easy to handle and cocurable with other materials, it provides a versatile and dependable solution for demanding aerospace manufacturing processes.
3M™ AF 3074 Features
- Reliable thermal expansion ratio of up to 230% (>3x original thickness).
- Wide in-service temperature range suitable for aerospace environments.
- FST tested according to FAR/JAR/CS 25.853(a) and ABD0031.
- Easy to handle, cut, and reposition during the lay-up process.
- Cocurable with structural adhesive films and prepregs in 120°C to 180°C cure cycles.
- Long shop life of up to 30 days at room temperature.
3M™ AF 3074 Applications
- Used for honeycomb core splicing in aircraft part fabrication.
- Applied for core reinforcement to enhance structural integrity.
- Ideal for edge filling processes in aerospace manufacturing.
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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| 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 |
