Product Introduction of 3M Scotch-Weld Epoxy Adhesive EC-3333 B/A
3M Scotch-Weld Epoxy Adhesive EC-3333 B/A is a tough, two-part, room-temperature curing epoxy adhesive designed to deliver high shear and peel strength, making it an ideal adhesive for demanding aerospace applications. It maintains bond strength at both low and elevated temperatures and withstands harsh environments, including hot-wet conditions.
This high-performance epoxy adhesive is an excellent alternative to mechanical fasteners, screws, rivets, and spot welds. It bonds effectively to a variety of substrates such as metals and many plastics. With a 2:1 mix ratio, the adhesive is easy to mix and offers a 20-minute work life, allowing ample time for positioning and adjustments before setting. It is available in bulk or duo-pak cartridges for use with the 3M™ EPX™ Applicator System, ensuring professional results and minimal waste. Full cure is achieved in 5 days at room temperature (72°F / 22°C), with the option for accelerated curing through heat.
Key Features
- 2:1 mix ratio simplifies mixing
- 20-minute work time allows for positioning and adjusting for fit prior to setting
- Available in bulk or duo-pak cartridges
- Flexible to withstand vibration
- Offers hot-wet resistance
- Outstanding environmental performance
- High peel and shear strength for strong bonds in critical applications
- Controlled flow for precise application
Key Applications
- Replacement of mechanical fasteners, screws, rivets, and spot welds
- Bonding metals and a variety of plastics in aerospace applications
- Use in applications requiring high peel and shear strength under harsh conditions
- Structural bonding tasks needing hot-wet resistance and environmental durability
- Precision bonding processes requiring controlled flow and easy handling
- Assembly tasks utilizing duo-pak cartridges with the 3M™ EPX™ Applicator System
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.
| Property | Value |
|---|---|
| Adhesive Type | Epoxy |
| Container Size (Imperial) | 1 qt, 1.69 fl oz |
| Container Size (Metric) | 0.95 L, 50 mL |
| Cure Rate | 24 hr |
| Cure Temperature | Room Temperature |
| Density | 1.12 g/cc |
| Time to Handling Strength | 2 hr – 3 hr |
| Work Life | 20 min |
