---
product_id: 21087763
title: "System Three Silica Thickener, 5 Qt Tub, White"
brand: "systemthree"
price: "₹ 8895"
currency: INR
in_stock: true
reviews_count: 10
url: https://www.desertcart.in/products/21087763-system-three-silica-thickener-5-qt-tub-white
store_origin: IN
region: India
---

# 5 qt tub yields 1.75 gal firm paste Thixotropic agent for perfect epoxy control Prevents sagging in complex repairs System Three Silica Thickener, 5 Qt Tub, White

**Brand:** systemthree
**Price:** ₹ 8895
**Availability:** ✅ In Stock

## Summary

> 🛠️ Master your epoxy game with the ultimate thickener—because your projects deserve no compromises!

## Quick Answers

- **What is this?** System Three Silica Thickener, 5 Qt Tub, White by systemthree
- **How much does it cost?** ₹ 8895 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/21087763-system-three-silica-thickener-5-qt-tub-white)

## Best For

- systemthree enthusiasts

## Why This Product

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

## Key Features

- • **Non-Sagging Formula:** Create smooth, high-strength epoxy pastes that stay put—perfect for vertical surfaces and detailed restorations.
- • **Precision Epoxy Control:** Easily mix to your ideal consistency with premium fumed silica thickener for flawless application every time.
- • **Versatile Compatibility:** Works seamlessly with fiberglass, glass, plastic, and other fillers to customize your epoxy mix for any challenge.
- • **Bulk Supply for Big Projects:** Generous 5-quart tub supports large-scale woodworking, flooring, and vehicle repair jobs without constant reordering.
- • **Easy Cleanup & Safe Handling:** Mild soap and water clean-up keeps your workspace and skin safe, so you can focus on perfecting your craft.

## Overview

System Three Silica Thickener is a premium, white fumed silica powder designed to thicken epoxy resins into a smooth, non-sagging paste. Supplied in a 5-quart tub, it yields approximately 1.75 gallons of firm epoxy paste when combined with 1 gallon of mixed resin and hardener. Ideal for woodworking, vehicle repair, flooring, and casting, it enhances epoxy strength and consistency while allowing easy mixing and cleanup. Trusted since 1979, System Three delivers professional-grade performance for demanding restoration and fabrication projects.

## Description

5-quart quantity of Silica Thickener when combined with 1 gallon of mixed epoxy/hardener, will produce about 1.75 gallons of  non-sagging firm paste.
To create a fairing compound, add 1/2 cup of Silica Thickener and 1 cup of Glass Microspheres to 6 oz of mixed epoxy.
Add on its own or with other elements to firm up epoxy mixtures.
When finished using, simply wash your hands, any other exposed skin, and your work surfaces with mild soap and water.
Established in 1979, System Three has the most comprehensive set of user-friendly epoxies available today and serves a wide variety of customers and industries. Made in the USA, every one of our products is engineered with your next successful project in mind.
Why replace when you can restore? The EndRot system has everything you need to repair and stop wood deterioration in its tracks.
Secure joints, protect your masterpieces, and add breathtaking shine with our wide range of woodworking products.
For the past four decades, System Three Resins' focus has been to provide the highest quality epoxy products to boatbuilders worldwide.
We offer epoxy adhesives for all projects and environments, ensuring optimal results in adverse conditions.
Whether you need to fill a thin crack or re-sculpt a missing piece, we have pastes and putties to complete your project.
Our incredible array of high performance and crystal clear coatings will deliver professional results on your next project.
From small voids to big rivers, System Three casting resins have been formulated to perform up to the highest standards.
We're a Lacey, WA-based company committed to meeting customer needs. Our epoxy products are used everywhere. We have the right tools for the job, whatever it may be.
We welcome every new customer, supporting them with accurate product information and detailed instructions for using our products on their specific application needs.
Since 1979, System Three has utilized significant amounts of sustainable and renewable materials in our product formulations without compromising performance.

## Features

- Premium Epoxy Thickener: Also referred to as colloidal or hydrophilic fumed silica, our silica thickener is an excellent thixotropic agent designed to work as an epoxy resin thickener
- Measure And Mixing: Mix the appropriate amount of resin, Part A, and hardener, Part B, then add silica thickener in increments, and mix thoroughly, stirring from the bottom to the top until the desired consistency is reached
- Features: Silica thickener easily mixes into epoxy resin systems
- Consistency: Fumed silica powder can be used alone to create a very smooth, non-sagging, high-strength epoxy mixture, but can also be combined with other fillers or fibers to prevent sagging
- Cleanup: Clean hands, exposed skin, and work surfaces with mild soap and water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B00VN4GWP4 |
| Best Sellers Rank | #103,436 in Automotive (See Top 100 in Automotive) #274 in Automotive Sealants #2,667 in Oils & Fluids |
| Brand Name | SYSTEMTHREE |
| Color | White |
| Compatible Material | Fiberglass, Glass, Plastic |
| Container Type | Pail |
| Customer Reviews | 4.6 4.6 out of 5 stars (520) 4.6 out of 5 stars |
| Full Cure Time | 48 Hours |
| Global Trade Identification Number | 00646697300070 |
| Included Components | Thickener - 5 quart tub |
| Item Form | Gel, Liquid |
| Item Package Quantity | 1 |
| Manufacturer | System Three Resins, Inc. |
| Material Type | Silica |
| Model | 3105S47 |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Thixotropic agent and sag prevention |
| Part Number | 3105S47 |
| Specific Uses For Product | Woodworking, Repair, Flooring, Casting, Countertop |
| Unit Count | 160.0 Fluid Ounces |
| Upc | 646697300070 |
| Viscosity Level | High |
| Volume | 5 Quarts |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** SYSTEMTHREE
- **Color:** White
- **Item Form:** Gel, Liquid
- **Item Package Quantity:** 1
- **Material:** Silica

## Images

![System Three Silica Thickener, 5 Qt Tub, White - Image 1](https://m.media-amazon.com/images/I/61zoKtllYTL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by  on Reviewed in the United States April 19, 2026*

This material works great for stiffening the epoxy resin. I used it to fill holes where a kicker was mounted through the transom and to fill holes on the vertical.

### ⭐⭐⭐⭐⭐ Works great.
*by  on Reviewed in the United States September 8, 2023*

I find this stuff works great mixed with some Max Bond epoxy. Mix up the epoxy according to the directions and add some of this stuff until its like peanut butter and it makes a glue that, as far as I can tell, never comes apart. Add a little wood flour to the mix and you get a nice filler material too. This stuff is pretty particularized so its best if you use it outside or at least in a garage with the doors open. Not sure what happens if you breathe it in but I'm sure its not a good idea. If you are outside be careful, a good breeze will empty the bucket for you and it'll all be gone. Great product.

### ⭐⭐⭐⭐⭐ Works great
*by  on Reviewed in the United States July 25, 2024*

Building a mini tugboat. This filler thickens up epoxy resin very quickly. Seems to require a smaller amount than other fillers that I have used. When teh epocy cures, it makes for a very hard surface.

## Frequently Bought Together

- System Three Silica Thickener, 5 Qt Tub, White
- System Three Wood Flour, 5 Qt Tub, Brown
- Pro Grade - Chip Paint Brushes - 36-Pack - 2 Inch Chip Brush for Paints, Stains, Varnishes, Glues, & Gesso

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-08-24*