West System 406 Colloidal Silica Filler

Thickening additive suitable for bonding, gap filling and filleting. 

• It can be used to prevent resin flow on vertical and overhead surfaces and to control the viscosity of the epoxy. 
• It is often used in combination with other fillers to control the working characteristics of an epoxy mix, e.g. improve the consistency of fairing compounds, to improve abrasion resistance etc. 
• Add 3% to 8% by weight to the resin/hardener mix.