West Systems 40328 Microfibers Epoxy Thickening Additive 20 oz

West System 40328 Microfibers is a fine fiber blend thickening additive designed to enhance epoxy performance for a wide range of bonding and fairing applications. This off-white fiber blend builds volume quickly and blends easily into epoxy resin systems, creating a versatile adhesive mixture that excels in wood bonding applications.

Key Features:

• Fine fiber blend for rapid volume building and easy mixing
• Creates excellent gap-filling adhesive mixtures while maintaining superior wetting properties
• Ideal for wood-to-wood bonding and structural laminating applications
• Off-white color provides a clean finished appearance
• 20 oz. container size, packaged 12 units per case
• Compatible with West System epoxy resin formulations

When mixed with epoxy resin, microfibers produce a strong, reinforced adhesive with excellent workability. The thickened mixture retains good wetting characteristics, ensuring proper penetration and adhesion to substrate surfaces. This additive is particularly valuable for filleting, bonding structural components, and applications requiring enhanced thickness without sacrificing bond strength.