Description
West System 209 Extra Slow Hardener is formulated for use with WEST SYSTEM 105 Epoxy 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. The mix ratio is 3 parts resin to 1 part hardener by volume. Not intended for clear coating.
PROJECT USES:
- Marine
- Boat Repair
- Bonding
- Fabrication
- Barrier Coating
CURE TIME:
- Pot life (100 grams cupful):
- At 72ยฐF (22ยฐC): 40 to 50 minutes
- Working time (thin film):
- At 72ยฐF (22ยฐC): 3 to 4 hours
- Solid state:
- At 72ยฐF (22ยฐC): 20 to 24 hours
