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West System 406-7 Colloidal Silica is a high-viscosity epoxy additive designed to prevent runoff and improve the strength, abrasion resistance, and consistency of epoxy fairing compounds. Curing to an off-white color, it’s ideal for vertical and overhead joints in marine and woodworking applications, delivering professional-grade results with a 24-hour full cure time.



















| ASIN | B005150RUW |
| Best Sellers Rank | #272,711 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,168 in Epoxy Adhesives |
| Brand Name | WEST SYSTEM |
| Colour | off-white |
| Compatible Material | Fibreglass |
| Container Type | Bottle |
| Customer Reviews | 4.9 4.9 out of 5 stars (88) |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00811343011505 |
| Included Components | FILLER COLLOIDAL SILICA 5.5 OZ |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | MARINE ACCESSORIES |
| Item Weight | 5.5 Ounces |
| Manufacturer | WEST SYSTEM |
| Manufacturer Part Number | 406-7 |
| Material Type | Colloidal Silica |
| Model | 406-7 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Controllable viscosity, Prevention of epoxy runoff, Improved strength and consistency of fairing compounds |
| Specific Uses For Product | Woodworking |
| UPC | 811343011505 783847056576 |
| Unit Count | 5.5 Grams |
| Viscosity Level | High |
| Volume | 5.5 Fluid Ounces |
| Water Resistance Level | Water Resistant |
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