Description
WEST SYSTEM 406 Colloidal Silica. All-round thickening filler, which is suitable for gluing, filling and hollow caulking.
It can be used to avoid runners on non-horizontal surfaces and to adjust the viscosity of the epoxy.
It is often used together with other fillers to adjust the properties of an epoxy mixture, e.g. improving the consistency of a putty mass.
Add 3% to 8% (by weight) to the resin and hardener mixture.
Colour: Off-white.