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⚡ Fast, fierce, and flawlessly strong—bond like a pro with WEST SYSTEM 205!
WEST SYSTEM 205 Fast Hardener is a high-performance epoxy hardener designed to pair with WEST SYSTEM 105 Resin at a 5:1 ratio. It cures rapidly within 5-7 hours, delivering a robust 7845 PSI tensile strength with minimal shrinkage. Waterproof and moisture resistant, it’s engineered for versatile applications including marine repairs, wood, fiberglass, and metal bonding—making it the go-to choice for professionals and DIYers who demand speed and durability.











| ASIN | B00C508JMO |
| Best Sellers Rank | 77,157 in DIY & Tools ( See Top 100 in DIY & Tools ) 300 in Universal Adhesives |
| Brand | West System |
| Colour | clear |
| Compatible Material | Fabric, Foam, Wood |
| Container Type | Can |
| Customer Reviews | 4.5 4.5 out of 5 stars (249) |
| Full Cure Time | 5 Hours |
| Global Trade Identification Number | 05063369020503 |
| Included Components | WEST SYSTEM 205 Fast Hardener® (0.2kg) |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Volume | 200 Millilitres |
| Manufacturer | Wessex Resins & Adhesives Ltd |
| Manufacturer Part Number | 205A |
| Material | Epoxy Resin, Resin |
| Model Number | 205A |
| Other Special Features of the Product | Fast Drying, Strong |
| Specific Uses For Product | Boat Repair, Boat Restoration, DIY, Wood Repair, Fibreglass Repair |
| Tensile Strength | 7845 Pounds Per Square Inch |
| Unit Count | 1.0 count |
| Viscosity Level | Medium to High |
| Water Resistance Level | Water Resistant |
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