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209 Extra Slow Hardener
209 Extra Slow Hardener is formulated for use with WEST SYSTEM 105 Resin or 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. 105/209 forms a high-strength, moisture-resistant solid with excellent bonding and coating properties. Not intended for clear coating.
PROJECT USES:
- Marine
- Boat Repair
- Bonding
- Fabrication
- Barrier Coating
CURE TIME:
- Pot life (100 grams cupful):
- At 25°C: 50 to 70 minutes
- Working time (thin film):
- At 25°C: 200 to 260 minutes
- Solid state:
- At 25°C: 20 to 24 hours
*Epoxy cures faster at higher temperatures and in thicker applications.
CURE TEMP:
- Minimum recommended temperature: 18°C
PRODUCT SIZES:
- 209-A: 0.29kg
- 209-B: 1.45kg
- 209-C: 7.2kg
- 209-E: 64.5kg
*These sizes are 209 hardener sizes ONLY and exclude resin sizes
209 Extra Slow Hardener Facts
QUICK LINKS Helpful Tips, Safety Guidelines, Manuals, and More:
UNCONTROLLED CURE
Controlling exotherm (the heat released by the chemical reaction between resin and hardener that cures epoxy) is very important, especially when mixing larger batches of resin and hardener. If not controlled, epoxy’s exothermic reaction can be dangerous.