Permabond ES5516 high temperature magnet bonding epoxy adhesive with UV tack and heat cure for Class H motor applications, available from ECT Adhesives

Introducing Permabond ES5516 – The High Temperature Magnet Adhesive

Gold Standard for Magnet Bonding at High Temperatures

When motors run hot, reliability is everything. The new Permabond ES5516 delivers exceptional performance where standard epoxies fail — maintaining structural bond strength even at 180°C.

Designed for bonding magnets in Class H electric motors, ES5516 is a single-part, dual-activation epoxy adhesive that combines precision and strength. Its UV-tack feature allows components to be positioned and sealed before heat curing, eliminating the risk of movement or adhesive outflow.


Why Manufacturers Are Switching to ES5516

UV-tackable & heat-cured for fast, precise assembly
✔ Maintains structural integrity at 180°C, short-term up to 200°C
Vibration & shock resistant for motor applications
✔ High shear strength on metals and composites
Toughened epoxy formulation for long-term reliability
✔ Excellent chemical resistance for harsh environments


Ideal for:

  • Magnet bonding in synchronous and electric motors

  • Automotive motor and sensor assemblies

  • Industrial machinery, pumps, and conveyors

  • Boilers, heat pumps, and high-temp components


Dual-Activation Innovation

This unique epoxy can be tacked with UV light for initial placement, then heat-cured for ultimate structural strength.
Perfect for small, close-fitting parts where mechanical clamping isn’t possible.


Proven Performance

With shear strength up to 29 N/mm² on stainless steel and proven durability through thermal cycling and vibration, ES5516 represents the next step in high-temperature adhesive innovation.


Ready to Learn More?

📩 Contact ECT Adhesives for technical advice, pricing, or to request a sample.
📞 +353 1 885 0000 | 📧 in**@*ct.ie | 🌍 www.ectadhesives.com

🔗 Read the full product details here: Permabond ES5516 – Product Page

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