High-density sag resistant structural filler for mixed epoxy resins.
Thickening agent for structural bonding, filling, and filleting.
"Try Colloidal Silica as an additive for structural bonding filling and filleting. It should be used as a filler when a hard solid with high density is needed." -Retrieved 1/14/2022 from https://masepoxies.com/product/colloidal-silica
available online (see 'Resources')