









🛠️ Elevate your epoxy game—thicker, stronger, waterproof repairs that last!
The 406 Colloidal Silica Filler (275g) is a high-performance thickening additive designed to enhance 2-part epoxy resins. It offers precise viscosity control (3-8% mix ratio), superior waterproof durability, and versatile use across wood, marine, and fibreglass repairs. This off-white filler prevents resin sagging on vertical and overhead surfaces, ensuring professional-grade bonding and gap filling for both interior and exterior applications.




| Manufacturer | Wessex Resins & Adhesives Ltd |
| Part number | 406-2 |
| Item Weight | 590 g |
| Package Dimensions | 33.2 x 15.6 x 15.5 cm; 590 g |
| Item model number | 406-2 |
| Size | Large |
| Colour | Cures to an off-white colour. |
| Style | 406 Colloidal Silica Filler |
| Material | Epoxy Resin |
| Item Package Quantity | 1 |
| Special Features | Thickening additive for epoxy. |
| Specific uses | Marine epoxy resin, wood repair, fibreglass repair, outdoor adhesive tasks |
| Included components | WEST SYSTEM® Colloidal Silica Filler (275g) |
| Batteries Required? | No |
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