RX1-01-00357

WEST SYSTEM® 205 Fast Hardener is a fast-curing epoxy hardener designed for use with WEST SYSTEM 105 Epoxy Resin. Mixed at a 5:1 ratio, the system is intended to produce a high-strength, rigid cured epoxy for bonding and coating work.

At 25°C, the manufacturer states a pot life of approximately 10–15 minutes for a 100 g mix, a thin-film working time of approximately 60–70 minutes, and a cure to solid state in approximately 5–7 hours. The minimum recommended working temperature is 5°C. Cure behaviour varies with temperature and mixed quantity.

• Product: WEST SYSTEM® 205 Fast Hardener
• Manufacturer part number: 318378
• Roctexo part number: RX1-01-00357
• Unit of measure: Quart
• For use with WEST SYSTEM 105 Epoxy Resin at a 5:1 mix ratio
• Hazardous material; review the applicable safety data before handling and use

For detailed handling, mixing and safety guidance, consult the manufacturer’s technical data sheets and safety data sheets.