West System 209-SB Extra Slow Hardener

Description

• 209 EXTRA SLOW HARDENER is a low-viscosity epoxy curing agent. It is useful in a majority of hot-weather bonding situations, and when very long working time and cure time are needed. 209 Extra Slow Hardener produces a slow epoxy cure that develops physical properties gradually at room temperature. It yields a rigid, high-strength moisture-vapor resistant and functionally waterproof solid.
• USE WITH WEST SYSTEM 105 RESIN for general coating and bonding applications in extremely warm and/or humid conditions, and for extended working time at room temperature. Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications.
• PROVIDES ABOUT TWICE the working time of 206 Slow Hardener. 209's pot life at 72F (22C) is 40 to 50 minutes. Pot life at 95F (35C) is 15 to 20 minutes. Cures to a solid state at 72F (22C) in 20 to 24 hours. Cure to a solid state at 95F (35C) in 6 to 8 hours. Reaches maximum strength at 72F in 4 to 9 days Minimum recommended working temperature is 70F (21C).
• PAIR WITH WEST SYSTEM 105-B Epoxy Resin. Blend with with WEST SYSTEM 105 Epoxy Resin at a 3-parts resin to 1-part hardener ratio.
• EASILY MODIFIED with WEST SYSTEM Fillers, Additives, and Pigments to suit the job at hand, whether coating, applying fiberglass, structural bonding, or fairing. Not intended for clear coating.

209 Extra Slow Hardener is formulated for use with WEST SYSTEM 105 Resin for general coating and bonding applications in extremely warm and/or humid conditions or when extended working time is desired at room temperature. Provides approximately twice the working time of 206 Slow Hardener. 209 Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications. Not intended for clear coating.

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