*** USE OPTION (1) TO SELECT SIZE ***
West System 209 Extra Slow Hardener for R105 Epoxy Resin is formulated for general coating and bonding applications in extremely warm and / or humid conditions, or when extended working time is desired at room temperature.  It provides approximately twice the working time of 206 Slow Hardener, and forms a clear, amber-coloured solid with good physical properties and moisture resistance for bonding and coating applications.  It is not intended for clear coating.
Mix Ratio: 1 Part hardener (H207 or H209) to 3 parts resin by volume / 3.5 parts resin by weight.
| Resin | Hardener 5:1 | Hardener 3:1 | 
| Size | Product # | Size | Product # | Size | Product # | 
| 500 mL | RA105 | 100 mL | HA205 Fast | 160 mL | HA207 Special Coating | 
| HA206 Slow | HA209 Extra Slow | 
| 1 L | RB105 | 200 mL | HB205 Fast | 330 mL | HB207 Special Coating | 
| HB206 Slow | HB209 Extra Slow | 
| 4 L | RC105 | 800 mL | HC205 Fast | 1.33 L | HC207 Special Coating | 
| HC206 Slow | HC209 Extra Slow | 
| 20 L | RD105 | 4 L | HD205 Fast | 6.7 L | HD07 Special Coating | 
| HD206 Slow | HD209 Extra Slow | 
| 200 L | RF105 | 40 L | HF205 Fast | 67 L | HF207 Special Coating | 
| HF206 Slow | HF209 Extra Slow | 
For more specific application guidance, please refer to the Product Data Sheet and Engineering Data.
                    
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