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West System 209 Extra Slow Hardener
West System Hardener for use with West System 105 Epoxy resin.
West System 209 Extra Slow Hardener has been formulated for both coating and bonding applications in very warm and humid conditions or when extra working time is required. Provides approximately twice the working time compared to 206 Slow Hardener. West System 105/209 forma a clear amber coloured solid and is therefore not intended for clear coating.
Highest quality marine epoxy resin essential for strong and long-lasting repairs, modifications or construction anywhere onboard. West epoxy is known and respected worldwide and is easy to use and is one of the strongest marine epoxy systems available. Can be used with all West System fillers and thickeners for a multitude of jobs onboard from wetting out, adhesion, bonding, filling and fairing, osmosis repair and prevention and many others.
At 25°C a 100 g mixture of West System 105/209 hardener typically has a pot life of 50 to 70 minutes and for coating applications, recoating time is between 200 to 260 mins. A good choice for working in high temperatures.
Available in 1.45 kg metal tins.
| Hardener | Working Temperature | Gel Time 100 g - 25°C |
Open Time Thin Film - 25°C |
Cure to Solid Thin Film - 25°C |
Max. Strength | Mix Ratio Epoxy/Hardener Volume / Weight |
| 205 (Fast) | 5°C - 28°C | 10 - 15 mins | 60 - 70 mins | 5 -7 hours | 5 - 7 days | 5:1 / 5:1 |
| 206 (Slow) | 16°C - 31°C | 20 - 30 mins | 90 - 110 mins | 9 - 12 hours | 5 - 7 days | 5:1 / 5:1 |
| 207 Special Coating | 16°C - 32°C | 20 - 30 mins | 85 - 110 mins | 9 - 12 hours | 5 - 7 days | 3:1 / 3.5:1 |
| 209 Extra Slow | 18°C - 35°C | 50 - 70 mins | 200 - 260 mins | 20 - 24 hours | 5 - 9 days | 3:1 / 3.5:1 |
Hardeners can be mixed to adjust pot life and overcoating times.
See the optional pump set for accurate and easy preparation.
This product can only be shipped by ground transport.
