West System
West System System 205 Hardener
Professional-grade marine product — trusted by boaters across the UK.
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West System 205 Hardener is a versatile epoxy hardener designed for marine applications, providing superior adhesion and durability. Ideal for bonding, coating, and repairing wood, fiberglass, and metal in demanding marine environments. Description West System 205 Hardener is ...
West System 205 Hardener is a versatile epoxy hardener designed for marine applications, providing superior adhesion and durability. Ideal for bonding, coating, and repairing wood, fiberglass, and metal in demanding marine environments.
Description
West System 205 Hardener is a high-performance epoxy hardener designed specifically for marine applications. Compatible with the West System 105 Epoxy Resin, this hardener ensures a reliable and durable bond that is essential for various boat building and repair tasks. With a working time of approximately 20 to 25 minutes at 72°F (22°C), it allows ample time for application while curing to a robust finish. The 205 Hardener is formulated to provide a strong, moisture-resistant bond, making it ideal for use in marine environments where exposure to water is common. This hardener is particularly effective in applications such as laminating fiberglass, wood bonding, and general surface repairs. Its versatility extends to the construction of wooden boats, the restoration of fiberglass hulls, and the assembly of various marine components. One of the key benefits of the West System 205 Hardener is its ability to cure to a clear, glossy finish, enhancing the aesthetic and functional qualities of the final product. Additionally, it maintains excellent flexibility and resistance to impact, which is critical for enduring the stresses experienced in marine applications. When mixed with West System 105 Resin, it forms a strong, waterproof adhesive that contributes to the longevity and performance of marine structures. For marine professionals and DIY enthusiasts alike, West System 205 Hardener represents a reliable choice for achieving high-quality results in boat building and repair. Its formulation is specifically tailored to meet the demands of the marine industry, providing assurance in performance and durability.
Specification
| Specification | Details |
|---|---|
| Type | Epoxy Hardener |
| Mix Ratio | 5:1 by volume with WEST SYSTEM epoxy resins |
| Working Time | Approximately 20-30 minutes at 70°F (21°C) |
| Cure Time | Initial cure in 6-8 hours at 70°F (21°C) |
| Full Cure | 5-7 days at 70°F (21°C) |
| Color | Clear to light amber |
| Viscosity | Medium |
| Temperature Resistance | Up to 200°F (93°C) |
| Storage Life | 3 years in unopened containers |
Why buy from Marine Chandlery?
- UK marine specialists, based in North Shields
- Next-day UK delivery available
- Same-day collection from our store
- Expert advice before and after purchase
- Carefully selected marine-grade products
- Secure checkout & trusted payment options










