West System 209 Extra Slow Epoxy Hardener

209 Extra Slow Hardener is 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.Provides approximately twice the working time of 206 Slow Hardener.Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications.Not intended for clear coating.209 SA size hardener is matched for use with 105 A size resin.Cans possibly come 2/3 full which is the appropriate amount to be mixed with 105-A ( quart ).'