Collection: WEST SYSTEM 209 Extra Slow Hardener

Experience the ultimate in extended working time with the WEST SYSTEM 209 Extra Slow Hardener collection, specifically formulated for use with WEST SYSTEM 105 Epoxy Resin. Perfect for marine, automotive, and composite projects in extremely warm or humid conditions, this hardener provides exceptional control and durability for complex bonding and coating tasks.

Key Features and Capabilities:

• Extended Working Time: Offers a pot life of 40-50 minutes at 72°F and 15-20 minutes at 95°F, providing approximately twice the working time of the 206 Slow Hardener, ideal for intricate projects or high-temperature environments above 70°F.
• High-Strength Bonding: When mixed with 105 Epoxy Resin at a 3:1 ratio, it forms a clear, amber-colored solid with superior strength and moisture resistance, bonding effectively to wood, fiberglass, reinforcing fabrics, and metals.
• Versatile Applications: Perfect for general coating and bonding in warm or humid conditions, including laminating, gap-filling, and creating moisture-resistant barriers for marine and automotive projects. Not intended for clear coating applications.
• Smooth Application: Low-viscosity formula ensures excellent thin-film characteristics, flowing out smoothly without fisheyeing for professional-grade finishes when applied with rollers.
• Customizable with Fillers: Can be thickened with WEST SYSTEM fillers for tailored applications like filleting, gap-filling, or structural bonding, enhancing versatility for specific project needs.
• Accurate Mixing: Designed for precise 3:1 mixing with 105 Epoxy Resin, with WEST SYSTEM 300 Mini-Pump Kits or specialized pumps (306-3, 309-3) ensuring consistent, accurate ratios for reliable curing.
• Multiple Sizes: Available in various sizes (0.66 Pint, 0.33 Gallon, 1.45 Gallon, and larger) to accommodate projects of any scale, from small repairs to large-scale construction.
• Safe and Reliable: Features a high flash point and low odor, making it safer and more pleasant to use than polyester resins, with excellent moisture resistance for durable results.

The WEST SYSTEM 209 Extra Slow Hardener collection is the trusted choice for professionals and DIY enthusiasts tackling complex projects in challenging conditions. Shop now to achieve precise, durable, and high-quality results with the proven performance of WEST SYSTEM.