Features are:
- Provides approximately twice the working time of 206 Slow Hardener.
- Forms a clear, amber-colored solid with good physical properties.
- Moisture resistance for bonding and coating applications.
- Not intended for clear coating.
Formulated for use with WEST SYSTEM 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.
Click here for 209 Extra Slow Hardener Technical Data (pdf)
Click here for hardener selection guide | 
