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While WEST SYSTEM® epoxy has a long shelf life, age will eventually affect its handling characteristics and cured strength. When stored for very long periods, hardeners may turn darker (reddish to purple), become thicker and give off more odor. 105 Resin may lose some clarity and also become slightly thicker. Use extra care when mixing age-thickened […]
by Brian Knight—GBI Technical Advisor Adding a coloring agent to WEST SYSTEM® Epoxy is frequently done to make colored castings, highlight an epoxy coated surface, act as a colored base coat for paint, etc. Most powdered pigments are satisfactory, as are acrylic paste pigments and universal tinting pigment.
By Meade Gougeon — GBI Founder It was after eight months of building that we originally launched Adagio, our 35-foot cruising trimaran. It was on July 6, 1970, and she was then a unique boat in three respects. First, she was the first large wooden boat entirely bonded together with epoxy using no permanent fastenings. […]
By J.R. Watson One of the original experimental components of Adagio was the rotating wing mast. In 1970, a plywood mast (a fore runner to our 050 mast design) was stepped on Adagio. The rotated airfoil-shaped wing mast makes a smooth transition from mast to sail on the leeward side. This provides cleaner airflow around […]
By Bruce Niederer — GBI Technical Advisor No matter how you use WEST SYSTEM epoxies, you expect us to back up the products and methods we recommend with solid data based on tests that simulate “real life” applications. To this end we began conducting the ASTM 1781-93 test method known as the Climbing Drum Peel for Adhesives. […]
