Selecting Epoxy Fillers
As a rule, use WEST SYSTEM higher-density epoxy fillers when bonding higher-density materials such as hardwoods and metals. Any of the adhesive fillers are suitable for most bonding situations. Your choice of a filler for general use may be based on the handling characteristics you prefer. Fillers may also be blended together to create mixtures with intermediate characteristics.
403 Microfibers
403 Microfibers Adhesive Filler is a fine fiber blend. Use it to thicken epoxy blended resin/hardene...

404 High Density
404 High-Density Adhesive Filler is an epoxy thickening additive.

405 FILLETING BLEND
405 Filleting Blend Adhesive Filler is a strong, wood-toned epoxy filler.

406 Colloidal Silica
406 Colloidal Silica is an epoxy thickening additive used to control the viscosity of the epoxy.

407 Low-Density
407 Low-Density is a blended microballoon-based fairing filler for WEST SYSTEM Epoxy.

410 Microlight
410 Microlight is the ideal low-density filler. When you blend it with epoxy, it creates a light, ea...