West System Colloidal Silica

West System 4062 Colloidal Silica – 1.7 oz

• Epoxy thickening additive used to control the viscosity of the epoxy.
• It creates a smooth mixture, ideal for general epoxy bonding and filleting.
• Can be used to improve strength, abrasion resistance, and consistency of epoxy fairing compounds.

These fillers thicken West System epoxy resin mixtures for specific applications. The #403 microfiber blend is suitable for gap filling. It is available in a 6 oz container. The #404 high-density filler is used for filleting and gap filling where maximum strength is needed, such as screw and bolt holes. It is available in a 15 oz container. The #406 colloidal silica is a thickening additive to prevent run-off in vertical and overhead joints, but can also be used for additional strength or a tougher surface. It is available in a 1.7 oz container. All cure to an off-white color. Made in USA. Not available for shipment to Québec.