SILTECH 617 AK
Silicone Sealant for Structural and Weather Sealing.
Precision. Durability. Performance
Looking for a reliable silicone sealant designed for demanding construction applications? SILTECH 617AK is a one-component structural alkoxy silicone sealant engineered for excellence. Ideal for structural glazing, weather sealing, and dynamic joints, it delivers unmatched durability, flexibility, and exceptional resistance to environmental stress.


Product Overview
Properties




Curing at room temperature upon exposure to atmospheric moisture, SILTECH 617AK forms a robust, flexible elastomer. With a temperature range of -50°C to +150°C, it’s built to withstand the toughest conditions while maintaining its integrity.

Why Choose
SILTECH 617AK?
Engineered to Last
Curing at room temperature upon exposure to atmospheric moisture, SILTECH 617AK forms a robust, flexible elastomer. With a temperature range of -50°C to +150°C, it’s built to withstand the toughest conditions while maintaining its integrity.
Versatility You Can Trust
From glass bonding in architectural facades to sealing dynamic joints in complex structures, SILTECH 617AK adheres effortlessly to glass, aluminum, coated metals, and certain plastics without the need for a primer. It’s the perfect choice for professionals and industrial applications alike.
Weather-Resistant Performance
With superior UV resistance, moisture protection, and long-lasting adhesion, SILTECH 617AK ensures your projects are built to endure. Its neutral curing formula protects delicate substrates, delivering a clean, professional finish every time.


Key Product Features
Temperature Resilience
Withstands conditions from -50°C to +150°C, ensuring reliability in extreme environments.
Dynamic Joint Movement
Absorbs up to 12.5% movement, accommodating expansion and contraction without cracking.
Outstanding Adhesion
Bonds effortlessly to glass, metal, plastics, and more—no primer required.
Colour Options
Available in white, black and grey
Applications at
a Glance
Structural Glazing
Securely bond glass to metal or other substrates in curtain wall systems.
Weather Sealing
Create watertight and airtight seals for high-performance building facades.
Dynamic Joints
Handle movement caused by expansion, contraction, and vibrations.


Packaging Options
SILTECH 617AK is available in sizes to suit projects
of all scales:
-
280ml cartridges - Perfect for precision work and smaller tasks.
-
600ml sausages – Ideal for large-scale applications.
Reliable Silicone Sealant for Construction and Structural Glazing
SILTECH 617AK represents the pinnacle of silicone sealant technology. Whether you’re tackling large-scale construction, dynamic building joints, or architectural facades, SILTECH 617AK delivers results that stand the test of time. Enhance your projects further with Siltech Tooling Liquid to ensure a professional, polished finish.
Ready to elevate your construction projects?


FAQs
Is SILTECH 617AK paintable?
No, SILTECH 617AK cannot be painted due to its specialized curing properties. Ensure compatibility with your project requirements.
How long does it take to cure?
The sealant cures at approximately 2mm per day. Full curing time depends on joint depth and environmental conditions.
What is Siltech Tooling Liquid, and why should I use it?
Siltech Tooling Liquid is specially formulated to provide smooth, precise tooling for sealants, enhancing adhesion and delivering a professional finish. Use it to create clean, polished edges with SILTECH 617AK.