West System Set

West System set consists of base component (105) and hardener (205 or 206).

105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System Epoxy compounds are built.The resin is a clear,pale yellow,low-viscosity liquid epoxy resin that cures to a hard,solid plastic with superior physical properties.Formulated for use with West System hardeners,it can be cured in a wide temperature range to form a high-strenght solid with excellent moisture resistance.

205 Fast Hardener is a medium-viscosity epoxy curing agent.It is used in a majority of bonding situations,at lower temperatures,and to produce a rapid cure that develops its physical properties quickly at room temperature.When mixed with WEST SYSTEM 105 Resin in a five-part resin to one-part hardener ratio,the cured resin/hardener mixture yields a rigid,high-strength,moisture-resistant solid with excellent bonding and coating properties. 

206 Slow Hardener is a low-viscosity epoxy curing agent for use when extended working time or a longer cure time is needed.It also provides adequate working time at higher shop temperatures.When combined with 105 Resin in a five-part resin to one-part hardener ratio,the cured resin/206 hardener mixture yields a rigid,high-strength,moisture-resistant solid with excellent bonding and barrier coating properties.