---
product_id: 526842393
title: "West System 406-7 Collodial Silica 5.5oz, off-white"
brand: "west system"
price: "2838 DH"
currency: MAD
in_stock: false
reviews_count: 5
category: "West System"
url: https://www.desertcart.ma/products/526842393-west-system-406-7-collodial-silica-5-5oz-off-white
store_origin: MA
region: Morocco
---

# Boosts strength & abrasion resistance Controls epoxy viscosity precisely Prevents epoxy runoff on vertical surfaces West System 406-7 Collodial Silica 5.5oz, off-white

**Brand:** west system
**Price:** 2838 DH
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Elevate your epoxy game — thickness, strength, and control in one bottle!

## Quick Answers

- **What is this?** West System 406-7 Collodial Silica 5.5oz, off-white by west system
- **How much does it cost?** 2838 DH with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/526842393-west-system-406-7-collodial-silica-5-5oz-off-white)

## Best For

- west system enthusiasts

## Why This Product

- Trusted west system brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enhanced Durability:** Reinforce your epoxy for long-lasting, abrasion-resistant finishes
- • **Seamless Mixing Experience:** Ultra-light formula blends smoothly for consistent results
- • **Precision Viscosity Control:** Master epoxy flow with exact thickness every time
- • **Trusted Marine-Grade Quality:** West System reliability for professional-grade woodworking and repairs
- • **Vertical & Overhead Stability:** Say goodbye to drip and sag on tricky surfaces

## Overview

West System 406-7 Colloidal Silica is a premium epoxy thickening additive designed to precisely control viscosity, prevent runoff on vertical and overhead joints, and enhance the strength and abrasion resistance of epoxy fairing compounds. Curing to an off-white color, this 5.5oz marine-grade filler is ideal for professional woodworking and repair projects requiring superior consistency and durability.

## Description

Get On The Water

Review: West system the best
Review: Great stuff…not easy to work with, BE CAREFUL and go slow!!

## Features

- 406 Colloidal Silica is an epoxy thickening additive used to control the viscosity of the epoxy.
- Prevents epoxy runoff in vertical and overhead joints.
- Can be used to improve strength, abrasion resistance, and consistency of epoxy fairing compounds.
- Cures to an off-white color.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005150RUW |
| Best Sellers Rank | #185,750 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #980 in Epoxy Adhesives |
| Brand | WEST SYSTEM |
| Brand Name | WEST SYSTEM |
| Colour | off-white |
| Compatible Material | Fibreglass |
| Container Type | Bottle |
| Country of Publication | USA |
| Customer Reviews | 4.9 out of 5 stars 80 Reviews |
| 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 |
| Material | Colloidal Silica |
| Material Type | Colloidal Silica |
| Model | 406-7 |
| Other Special Features of the Product | Controllable viscosity, Prevention of epoxy runoff, Improved strength and consistency of fairing compounds |
| Special Feature | Controllable viscosity, Prevention of epoxy runoff, Improved strength and consistency of fairing compounds Special Feature Controllable viscosity, Prevention of epoxy runoff, Improved strength and consistency of fairing compounds See more |
| Specific Uses For Product | Woodworking |
| UPC | 811343011505 783847056576 |
| Unit Count | 5.5 Grams |
| Viscosity | High |
| Volume | 5.5 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** WEST SYSTEM
- **Item Form:** Liquid
- **Material:** Colloidal Silica
- **Specific Uses For Product:** Woodworking

## Images

![West System 406-7 Collodial Silica 5.5oz, off-white - Image 1](https://m.media-amazon.com/images/I/71fv2TtXOvL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ West system the best
*by A***S on 5 December 2025*



### ⭐⭐⭐⭐⭐ Great stuff…not easy to work with, BE CAREFUL and go slow!!
*by M***. on 1 May 2023*



### ⭐⭐⭐⭐⭐ Works well for fairings
*by M***E on 20 March 2024*



## Frequently Bought Together

- West System 406-7 Collodial Silica 5.5oz, off-white
- West System 105 Epoxy Resin (.98Gallon 10.3-Pounds)

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**Shop now:** [https://www.desertcart.ma/products/526842393-west-system-406-7-collodial-silica-5-5oz-off-white](https://www.desertcart.ma/products/526842393-west-system-406-7-collodial-silica-5-5oz-off-white)

---

*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-11*