West System 406-7 Colloidal Silica 5.5oz for DIY enthusiasts
Category: west system 206
About this item
- 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.