403 Microfibers

403 Microfibers Adhesive Filler for epoxy
403 Microfibers Adhesive Filler

403 Microfibers, a fine fiber blend, is used as a thickening additive with resin/hardener to create a multi-purpose adhesive, especially for bonding wood. Epoxy thickened with microfibers has good gap-filling qualities while retaining excellent wetting/penetrating capability.

Color: off-white.

403-28 Microfibers filler for epoxy
403-9 Microfibers, 6 oz

403-28 Microfibers filler for epoxy
403-28 Microfibers, 20 oz

403-B Microfibers filler for epoxy
403-B Microfibers, 20 lb

Filler Selection Guide

403 Microfibers Safety Data (pdf)


VIDEO: A Guide to Adding Filler to Epoxy


Read about how master strip plank boatbuilder Ted Moores used 403 Microfibers while strip planking the electric launch Sparks.