



WEST SYSTEM 105 Epoxy Resin (Part A) β High-Performance Structural Epoxy
WEST SYSTEM 105 Epoxy Resin is a low-viscosity, high-quality liquid epoxy that serves as the foundation for all WEST SYSTEM epoxy systems. Designed for structural bonding, coating, and laminating, it requires a compatible WEST SYSTEM Hardener (Part B) to cure (sold separately).
Key Features:
β Versatile & High-Strength β Forms a rigid, moisture-resistant solid ideal for bonding wood, fiberglass, reinforcing fabrics, and metals.
β Low Shrinkage β Cures without volatile solvents, ensuring stability and long-term durability.
β Smooth Application β Excellent thin-film flow for roller applications, ideal for laminating.
β Safe & Easy to Use β Low odor, high flash point, and minimal solvent exposure compared to polyester and vinyl ester resins.
β Gap-Filling & Sandable β Can be modified with fillers to bridge gaps and create strong, shapeable adhesives.
Mix Ratios & Compatible Hardeners:
πΉ 5:1 with 205 Fast or 206 Slow Hardener
πΉ 3:1 with 207 Special Clear Hardener
Technical Specifications:
π Resin Viscosity: ~1000 centipoise (cp) at 22Β°C (72Β°F)
For best results, pair with WEST SYSTEM Hardeners (Part B) to achieve the desired cure time and strength for marine, woodworking, and composite applications.