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West System Fast Hardener


A medium-viscosity epoxy curing agent.



A medium-viscosity epoxy curing agent. Used in a majority of situations, at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temp[,;’erature.

When mixed with the 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.

Not intended for clear coating.

Pot life at 72F (22C): 9 to 12 minutes.
Cure to a solid state: 6 to 8 hours.
Cure to maximum strength: 1 to 4 days.
Minimum recommended temperature: 40F (4C).
Pumps required: (5:1 ratio) 301, 306 or 309.

Additional information

Weight 3 lbs
Dimensions 12 × 7 × 7 in
MFG Part#


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