WEST SYSTEM 404 High Density Epoxy Filler

Name: West System 404 High Density Filler
Brand: WEST SYSTEM
Price: 25.09 EUR
Availability: InStock

West System 404 High Density Filler

WEST SYSTEM® 404 High Density Filler is a premium high-strength epoxy adhesive filler designed to maximize the structural performance of WEST SYSTEM epoxy.

Ideal for bonding deck hardware, filling gaps, creating structural fillets, and reinforcing heavily loaded joints, it produces exceptionally strong adhesive mixtures with outstanding compression and tensile strength.

Perfect for demanding marine, boatbuilding, woodworking, and composite repair applications.

The WEST SYSTEM 404 High Density Filler is a professional high-strength epoxy thickening additive, designed for structural bonding, marine repairs and hardware installation.

When mixed with WEST SYSTEM epoxy, it creates a strong adhesive compound ideal for bonding deck fittings, winches, cleats, fasteners and other components exposed to high mechanical loads.

Its high-density formula provides excellent strength, effective gap filling and a thick, non-sagging consistency for demanding applications.

Technical Specifications

Brand: WEST SYSTEM
Product: 404 High Density Filler
Type: Structural Epoxy Adhesive Filler
Form: Fine Fibre Powder
Colour: Off-White
Compatibility: WEST SYSTEM 105 / 200 Series Hardeners, G/flex 650 and G/5
Applications: Structural Bonding, Hardware Installation, Gap Filling and Fillets
Sanding: Difficult – Optimised for Strength
Available Sizes: 250g and 1.75kg

Mixing Instructions

First mix the epoxy resin and hardener according to the manufacturer’s instructions. Gradually add WEST SYSTEM 404 until the required consistency is achieved.