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

Brand Name: West System
Sub Brand: 403 Filler
Adhesion Strength: Extra Strength
Material: Microfibers
Product Type: Adhesive Filler
Container Size: 6 oz
UV Resistant: No
Packaging Type: Can
Color: Off-White
Solvent Resistant: No
Indoor or Outdoor: Indoor and Outdoor
Flammable: No
Full Cure Time: 15 hr
Recommended Surface: Wood
Product Form: Powder
Used to thicken epoxy blended resin/hardener and create a multi-purpose adhesive. It’s most popular use is for bonding wood.