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WEST SYSTEM 209 EXTRA SLOW HARDENER


$78.21


SKU: WS209SB
Manufacturer: West System
Weight: 3.20 lbs
UNIT: EACH
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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. 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: 4 to 9 days Minimum recommended temperature: 70°F (21°C) Store at room temperature. Keep containers closed to prevent contamination. With proper storage, resin and hardeners should remain usable for many years. Over time, 105 Resin will thicken slightly and will therefore require extra care when mixing. Repeated freeze/thaw cycles during storage may cause crystallization of 105 Resin. Warm resin to 125°F and stir to dissolve crystals. Hardeners may darken with age, but physical properties are not affected by color. After a long storage, verify the metering accuracy of the pumps and mix a small test batch to assure proper curing.


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