West System 205 “Fast” Hardener

18.08190.43 ex VAT

Pot life at 25°C | 10 to 15 minutes
Working Time (Thin Film) at 25°C | 5 to 7 hours
Cure to solid state at 25°C | 5 to 7 hours
Cure to maximum strength at 21°C | 5 to 7 days
Minimum recommended temperature | 5°C
Mix Ratio | 5:1
Pump Set required | 301-5A, 301-5B, 301-5C,

SKU: 205 Categories: , Tags: , , ,


WEST SYSTEM 205 Fast Hardener® is a medium-viscosity epoxy curing agent. It is used at lower temperatures to produce a rapid cure that develops its physical properties quickly at room temperature.

When mixed with WEST SYSTEM 105 Epoxy 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.

Boat Repair
Barrier Coating

Cure Times:
Pot life (100 grams):
At 25°C: 10 to 15 minutes
Working time (thin film):
At 22°F (22°C): 60 to 70 minutes
Solid state:
At 72°F (22°C): 6 to 8 hours

Additional information


200ml (205A), 1kg (205B), 5kg (205C)