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West System 206-A Slow Epoxy Hardener | for Extended Working Time | Extend your working time in warm conditions and get a dependable cure with this reliable, slow-curing epoxy hardener.
- Slow-curing epoxy hardener for extended working time
- Develops high-strength, moisture-resistant bonds
- Designed to mix with WEST SYSTEM 105 Epoxy Resin
- Predictable cure profile across temperatures
$34.61
Price as of Oct 16, 2026, 7:48 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Slow-curing epoxy hardener for extended working time
WEST SYSTEM 206 Slow Hardener is a Made in the USA low-viscosity epoxy curing agent designed for bonding applications at 62 degrees or higher.
Develops high-strength, moisture-resistant bonds
When cured, 206 produces a rigid, high-strength solid that is functionally waterproof and resistant to moisture vapor in structural and protective applications.
Designed to mix with WEST SYSTEM 105 Epoxy Resin
Used with WEST SYSTEM 105 Epoxy Resin at a 5-parts resin to 1-part hardener ratio, this combination provides excellent bonding and barrier coating performance.
Predictable cure profile across temperatures
At 72°F (22°C), pot life is 20 to 25 minutes, cures to a solid state in 10 to 15 hours, and reaches maximum strength in 1 to 4 days. Minimum recommended working temperature is 60°F (16°C).
Adaptable with fillers and fiberglass applications
The 105 Resin and 206 Slow Hardener system can be modified with WEST SYSTEM fillers, additives, and pigments for coating, fiberglass work, structural bonding, or fairing. Not intended for clear coating.
West System 206-A Slow Epoxy Hardener | for Extended Working Time | Extend your working time in warm conditions and get a dependable cure with this reliable, slow-curing epoxy hardener.
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