West System 403 MicrofibersDesigned to be a fine fiber blend that still can thicken resin/hardener to create a multi purpose adhesive. Great for laminating or general bonding. Especially good for bonding wood. Epoxy that is thickened with microfibers has exellent gap filling qualities while still having wetting/penetrating abilities. Available in an off-white color. Fillers help the user control the consistency of the epoxy, create strong or sandable fillets with epoxy, bridge gaps in joints, or alter the cured density of epoxy making it easier to sand. Adhesive fillers are most suited for epoxy bonding situations with high density materials such as hardwoods and metals. Once cured adhesive fillers are strong and hard to sand epoxy useful for general bonding, filleting, and hardware bonding. Click here to download 403 Microfibers Safety Data Sheet