406-2 Colloidal Silica Adhesive Filler, Off-white, 1.7 Oz

West System 406 Colloidal Silica Adhesive Filler is a high-strength powder filler designed to thicken epoxy resin for superior bonding and fairing applications. This specialized filler controls epoxy viscosity, preventing runoff in vertical and overhead joints while creating smooth, strong mixtures ideal for woodworking, metalworking, marine, and general repair projects. Whether you're bonding wood to wood, metal to metal, or filling gaps, the 406 filler enhances epoxy performance and delivers exceptional adhesion strength and abrasion resistance in finished parts.

The 1.7 oz portion-controlled size allows you to mix only what you need, reducing waste and helping you avoid over-mixing. Made from colloidal silica, this off-white powder blends seamlessly into epoxy mixtures for a consistent finish. The West System 406 is adaptable to hobby and industrial-scale applications, making it an essential tool for professionals and DIY enthusiasts alike.

Features and Benefits

• High Adhesion and Abrasion Resistance: Provides exceptional strength and durability in bonded joints and filled surfaces.
• Viscosity Control: Thickens epoxy to prevent sagging and runoff in vertical or overhead applications.
• Portion-Controlled Size: The 1.7 oz package helps you measure accurately and avoid over-mixing waste.
• Blends Seamlessly: Off-white color integrates smoothly into epoxy for a uniform appearance.
• Versatile Applications: Ideal for general epoxy bonding, filleting, and fairing on multiple project types.

Specifications

• Brand: West System
• Model: 406-2
• Size: 1.7 oz
• Color: Off-white
• Material: Colloidal silica
• Form: Powder