Collection: WEST SYSTEM 205 Fast Hardeners
Unlock rapid, reliable results with the WEST SYSTEM 205 Fast Hardeners collection, engineered to pair seamlessly with WEST SYSTEM 105 Epoxy Resin for marine, automotive, and composite projects. Perfect for cooler climates or time-sensitive applications, these fast-curing hardeners deliver exceptional strength and durability with a quick turnaround.
Key Features and Capabilities:
- Fast Curing for Efficiency: The 205 Fast Hardener offers a short pot life (9-12 minutes at 72°F) and rapid cure time, ideal for cooler temperatures (above 40°F) or projects requiring quick turnaround, such as repairs or small-scale bonding.
- High-Strength Performance: When mixed with 105 Epoxy Resin, it forms a high-strength, waterproof solid that bonds effectively to wood, fiberglass, reinforcing fabrics, and metals, ensuring long-lasting structural integrity.
- Versatile Applications: Perfect for quick repairs, laminating, and coating in marine and automotive settings, providing a robust foundation for paints, varnishes, or additional layers.
- Clear, Durable Finish: Cures to a clear, smooth finish with excellent moisture resistance, minimizing blushing and providing a professional-grade surface for finishing touches.
- Precise Mixing: Designed for a 5:1 mixing ratio by volume with 105 Epoxy Resin, with WEST SYSTEM dispenser pumps ensuring accurate, consistent measurements for optimal results.
- Multiple Sizes: Available in a range of sizes (0.44 Pint, 0.86 Quart, 0.94 Gallon, and larger drums) to suit projects of any scale, from minor fixes to large construction tasks.
- User-Friendly and Safe: Features a high flash point and low odor, making it safer and more pleasant to work with than polyester resins, with excellent flow for smooth, fisheye-free application.
The WEST SYSTEM 205 Fast Hardeners collection is the trusted choice for professionals and DIYers seeking speed, strength, and reliability in their epoxy projects. Shop now to power your marine, automotive, or composite applications with WEST SYSTEM’s proven performance.

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WEST SYSTEM #305 Positive Displacement 5:1 Ratio Pump (305)
Vendor:West SystemRegular price $1,499.99Regular priceSale price $1,499.99 -
WEST SYSTEM #105-B Epoxy Resin, 3 Items (BUNDLE-205B)
Vendor:West SystemRegular price $203.99Regular priceSale price $203.99 -
WEST SYSTEM 3:1 Ratio Model-A Metering Pump (306-23)
Vendor:West SystemRegular price $492.99Regular priceSale price $492.99 -
WEST SYSTEM #300 Mini Pump Kit for group size A, B or C (300)
Vendor:West SystemRegular price $27.99Regular priceSale price $27.99 -
WEST SYSTEM #205 Fast Hardener, 7 oz (205-A)
Vendor:West SystemRegular price $34.99Regular priceSale price $34.99 -
WEST SYSTEM #205 Fast Hardener, 27.5 fl. oz. (205-B)
Vendor:West SystemRegular price $72.99Regular priceSale price $72.99 -
WEST SYSTEM #205 Fast Hardener, 121 fl. oz. (205-C)
Vendor:West SystemRegular price $209.99Regular priceSale price $209.99 -
WEST SYSTEM #205 Fast Hardener, 11.3 gallons (205-E)
Vendor:West SystemRegular price $1,345.99Regular priceSale price $1,345.99
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