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West System 209-SA Extra Slow Epoxy Hardener, 10.6 oz | Marine Grade

Product ID: B0002NY9AW Condition: New

$ 194

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Delivery: 10-20 working days

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Product Description

West System 209-SA Extra Slow Epoxy Hardener, 10.6 oz | Marine Grade

Extra-slow curing hardener for warm conditions – WEST SYSTEM 209 Extra Slow Hardener is a low-viscosity epoxy curing agent designed for bonding and coating applications in extremely warm or humid environments where extended working time is needed.
Designed for use with WEST SYSTEM 105 Epoxy Resin – Mix at a 3:1 ratio with 105 Epoxy Resin to create a high-strength epoxy system that cures to a clear amber, moisture-resistant solid suitable for bonding and coating applications.
Extended working time for complex repairs – Provides roughly twice the working time of 206 Slow Hardener, with a pot life of about 40-50 minutes at 72°F and approximately 3-4 hours of working time in a thin film.
Gradual cure with strong final properties – The epoxy mixture cures to a solid state in about 20–24 hours at 72°F and develops maximum strength over several days, allowing careful bonding and coating work.
Compatible with fillers and additives – The cured epoxy can be modified with WEST SYSTEM fillers, pigments, and additives for coating, fiberglass work, structural bonding, or fairing, though 209 is not intended for clear coating applications.

SPECIAL TROPICAL HARDENER is formulated for use with West System brand #105 resin in extremely warm and/or humid conditions for general bonding and coating applications, providing approximately twice the pot life and working time as #206 slow hardener. Provides adequate pot life up to 110 degree F to 70 degree F when additional pot life and assembly time may be desired. Provides 15-20 minutes of pot life at 95 degree F and 50-60 minutes at 70 degree F. Will cure to a solid state in 6-8 hours at 95 degree F and 20-24 hours at 70 degree F. Further curing occurs over the next 4-9 days. Forms a clear, amber-colored solid. Must be dispensed with #303 special-ratio mini pumps to achieve the proper 3 parts #105 to 1 part #209 mixture. Or dispensed with either #306-3 or #309-3 high capacity pumps. Size: .66 Pint.