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Quantity
1
Description
406 Colloidal Silica is an epoxy thickening additive used to control the viscosity of the epoxy. It prevents epoxy runoff in vertical and overhead joints. This is a very strong filler. It creates a smooth mixture, ideal for general epoxy bo...
Reviews
4.5
2 ratings
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Well packaged. Fast delivery
D
David · June 24, 2026
406 Colloidal Silica
A good product that does the job well. I did find it clumped when added to the epoxy and took a lot of stirring to separate the the clumps.