209 West System Extra Slow Hardener

209 West System Extra Slow Hardener
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209 Extra Slow Hardener is formulated for use with WEST SYSTEM Brand 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. Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications. Not intended for clear coating.

Mix Ratio, Resin:Hardener 3:1*
Pot life at 72°F (22°C) 40 to 50 minutes
Pot life at 95°F (35°C) 15 to 20 minutes
Cure to a solid state at 72°F (22°C) 20 to 24 hours
Cure to a solid state at 95 °F (35°C) 6 to 8 hours
Cure to maximum strength at 72°F (22°C) 4 to 9 days
Minimum recommended temperature 70°F (21°C)
Pumps required 303, 306-3 or 309-3


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