

🧩 Elevate your epoxy game—because every detail counts!
West System 406-7 Colloidal Silica is a high-viscosity epoxy additive designed to precisely control flow and prevent runoff, especially on vertical and overhead surfaces. It enhances the strength, abrasion resistance, and consistency of epoxy fairing compounds, curing to a subtle off-white finish. Ideal for woodworking and vehicle repair, this 5.5oz liquid filler ensures professional-grade results with water-resistant durability.













| Brand | WEST SYSTEM |
| Specific Uses For Product | Woodworking |
| Material | Colloidal Silica |
| Item Form | Liquid |
| Special Feature | Controllable viscosity, Prevention of epoxy runoff, Improved strength and consistency of fairing compounds |
| Colour | off-white |
| Item Package Quantity | 1 |
| Package Information | Bottle |
| Item Volume | 5.5 Fluid Ounces |
| Viscosity | High |
| Full Cure Time | 24 Hours |
| Water Resistance Level | Water Resistant |
| Net Quantity | 5.5 gram |
| UPC | 811343011505 783847056576 |
| Number of Pieces | 1 |
| Manufacturer | WEST SYSTEM |
| Country of Origin | USA |
| Model number | 406-7 |
| Number of Memory Sticks | 1 |
| Item Weight | 156 g |
| Product Dimensions | 53.34 x 40.64 x 28.58 cm; 155.92 g |
| Item model number | 406-7 |
| Item Height | 11.25 Inches |
| Item Width | 16 Inches |
| Included Components | FILLER COLLOIDAL SILICA 5.5 OZ |
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