205 FAST HARDENER
205 FAST HARDENER 205 Fast Hardener® is formulated for general coating and bonding applications at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature.


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205 FAST HARDENER 205 Fast Hardener® is formulated for general coating and bonding applications at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature.
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| Chemistry | Epoxy |
|---|---|
| Mix ratio | 5 parts resin to 1 part hardener by volume |
| Pot life | At 72°F (22°C): 9 to 12 minutes (100 g cupful) |
| Working time | At 72°F (22°C): 60 to 70 minutes (thin film) |
| Solid-state cure | At 72°F (22°C): 6 to 8 hours |
| Minimum curing temperature | At 40°F (4°C) |
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205 FAST HARDENER
Technical data sheet – 205 FAST HARDENER
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205 SDS
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Safety data sheet – 205 FAST HARDENER
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Full product details, applications & manufacturer specifications
205 FAST HARDENER 205 Fast Hardener® is formulated for general coating and bonding applications at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature.
The 105 Epoxy Resin®/205 Fast Hardener system forms a high-strength, moisture-resistant solid bond with excellent bonding and barrier coating properties. The mix ratio is 5 parts resin to 1 part hardener by volume. Not intended for clear coating. Selection Guide.
Recommended uses
Composite epoxy Epoxies- Chemistry
- Epoxy
- Mix ratio
- 5 parts resin to 1 part hardener by volume
- Pot life
- At 72°F (22°C): 9 to 12 minutes (100 g cupful)
- Working time
- At 72°F (22°C): 60 to 70 minutes (thin film)
- Solid-state cure
- At 72°F (22°C): 6 to 8 hours
- Minimum curing temperature
- At 40°F (4°C)
Product & project gallery
Complete your project.
Companion products for the selected product and system.

300 Mini Pumps
Meter resin and hardener accurately for the 105 System.
For Group A, B and C containers only. Fit the correct hardener pump and tubes for your container size.

105 Epoxy Resin
The resin used with WEST SYSTEM 200-series hardeners.
Choose matching resin and hardener group sizes and follow the specified mix ratio.
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