West System Extra Slow Hardener for Marine and Composite Applications
$99.20
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Category: west system 207 hardener
About this item
- 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 72°F (22°C) is 40 to 50 minutes. Pot life at 95°F (35°C) is 15 to 20 minutes. Cures to a solid state at 72°F (22°C) in 20 to 24 hours. Cure to a solid state at 95°F (35°C) in 6 to 8 hours. Reaches maximum strength at 72°F in 4 to 9 days Minimum recommended working temperature is 70°F (21°C).
- PAIR WITH WEST SYSTEM 105-C Epoxy Resin. Blend with with WEST SYSTEM 105 Epoxy Resin at a 3-parts resin to 1-part hardener ratio.
- Not intended for clear coating.
