I am painting brass pen caps and barrels with a polyurethane black and clear coating. Cured parts are tested in a package to mimic shipping conditions. The coating behaves as if it were a thermoplastic resin. Parts held at 140°F with a relative humidity of 50 percent become marked by a string which holds the parts in the box. Information about both the coating application process and the paint chemistry is below.
Cleaning Magnesium Die Castings What is the best method of cleaning any residual silicone containing (polysiloxane) mold release off magnesium die castings? The die castings must be absolutely clean, as
Thinking About Adding Powder Coating? My husband and I have owned a small paint shop for eight years. We do various jobs for people and companies around here, especially repainting
Friction-Reducing Paint Sought Can you tell me the name of the fluoro-urethane friction-reducing paint supplier mentioned in your October column? I have an application I would like to try it
Inconsistent Color Results With Clearcoating We are experiencing difficulty in getting consistent color results when applying a 50-degree gloss clearcoat over various substrates. We use 10-gauge, 14-gauge and 16-gauge sheet
Color Differences After Pretreatment We are experiencing difficulty in getting consistent color results when applying a 50-degree gloss clearcoat over various substrates. We use 10-gauge, 14-gauge and 16-gauge sheet steel,
Keep Sending Mail I purchased the third edition of your Industrial Painting and Powdercoating book and enjoyed it very much. In the front of the book you indicated that anyone
