Colloidal Silica – 5.5 oz.

A thickening additive used to control the viscosity of the epoxy and prevent epoxy runoff in vertical and overhead joints.

• Very strong filler that creates a smooth mixture, ideal for general bonding and filleting.
• It is also our most versatile filler.
• Often used in combination with other fillers, it can be used to improve the strength, abrasion resistance and consistency of fairing compounds, resulting in a tougher, smoother surface.
• Cures to an Off-White color.