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🛠️ Elevate your epoxy game—thicker, stronger, flawless every time!
WEST SYSTEM 406 Colloidal Silica is a finely powdered additive designed to thicken epoxy resin mixtures, providing superior viscosity control and preventing runoff on challenging surfaces. Made in the USA, it enhances fairing compounds by increasing strength and abrasion resistance while curing to a smooth, creamy off-white paste. Perfectly compatible with WEST SYSTEM epoxy products, it ensures professional-grade structural bonds and flawless application for demanding repairs and builds.
| ASIN | B0000AY1OC |
| Best Sellers Rank | #11,625 in Automotive ( See Top 100 in Automotive ) #44 in Care Corrosion & Rust Inhibitors #654 in Oils & Fluids |
| Brand | West System |
| Brand Name | West System |
| Color | white |
| Container Type | container |
| Customer Reviews | 4.8 out of 5 stars 322 Reviews |
| Included Components | urea-resin-adhesives |
| Item Form | Powder |
| Item Package Quantity | 1 |
| Item Type Name | West System 406-2 Colloidal Silica 1.7 oz |
| Manufacturer | Gougeon Brothers, Inc. |
| Material | Plastic |
| Material Type | Plastic |
| Model | 406-2 |
| Number of Pieces | 1 |
| Other Special Features of the Product | special_feature |
| Part Number | 406-2 |
| Special Feature | special_feature |
| Specific Uses For Product | specific_uses_for_product |
| UPC | 811343011482 |
| Unit Count | 1.0 Ounce |
| Volume | 1.7 Fluid Ounces |
| Warranty Description | Warranty |
G**Y
West System awesomeness
I’ve dealt with a couple of epoxy brands over the years and West System’s is by far the best all around system that includes both epoxy and fillers. These fillers are a bit pricy when you factor in the weight or volume but they work just like fillers should. I have yet to encounter any negative issues with these fillers, and they all appear to be packaged in a professional environment. The fillers come bone dry and don’t have any impurities in them.
N**E
Amazing Product
Used it to add to gelcoat during a crack repair on our boat and it is amazing. ALWAYS USE A RESPIRATOR!!! This is a very fine dust and it will damage your lungs.
H**M
Pricey but well worth it.
This is the best and easiest product & system I have used so far.
J**D
Works great as an epoxy thickener
I mixed some of this colloidal silica with a 2 part epoxy glue to thicken it up. The more you add the thicker the glue mixture gets. The powder is super light, and floats everywhere, so a mask is not a bad idea. Handle it slowly and carefully.
H**M
Very fluffy
Great stuff!! This unbelievably powdery mess mixes extremely well with resin epoxy to form a thick gel that dries into an opaque white plastic. Don't inhale this stuff, it's like powdered glass and definitely not a good thing to inhale. Eye and Ear protection required, no doubt. Wear a hockey mask and breathe through a sock.
A**L
Great product
Just sticking her really helps when I am trying to fill cavities or I need structural hold do recommend it
T**B
versatile
I've used this stuff for 40 plus years. Great for patching with epoxy and polyester.
Y**S
Good to Have
Here in Hawaii, even Ace Hardware doesn't have this. Thank you for Amazon to sell this.
J**A
Vale la Pena.
Lo compraría nuevamente. Buen producto.
Trustpilot
1 month ago
3 weeks ago