West Systems 406A Colloidal Silica 0.27 kg Product Code: mxws-406a

General purpose thickening additive suitable for bonding, gap-filling and filleting. West Systems406 Colloidal Silica can be used to prevent resin flow on vertical and overhead surfaces and to control the viscosity of the epoxy. Add 3% to 8% by weight to the resin/hardener mix.