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The aluminum apex (9” x 5”) from the Washington Monument was cast by William Frishmuth of Philadelphia, the only domestic producer of the ore.  At that time, it was a rare metal more valuable than silver.

Painting on Metal: An Introduction

Question: How often do they repaint the steel on the iconic Golden Gate Bridge? Answer: Every day, non-stop, repainting areas of corrosion (28 painters). Painting metal, especially metals exposed to variable environmental conditions is not something even our most advanced coating systems can stand up to over time, measured not in decades but in just […]

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Testing Inks on Various Substrates for Sensitivity to GOLDEN Gesso, GAC 100 and QoR Watercolor

Waterproof India Inks and Shellac-based Primers

We all get tripped up and surprised sometimes. Even the simplest description can set in motion assumptions that lead us to expect one thing only to be sitting there, moments later, head slightly tilted, a quizzical glance showing equal parts frustration and fascination. Which is where we found ourselves a few years back when testing a variety of […]

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Fuji Spray Systems “Mini-Mite” HVLP Setup

Selecting Equipment for Spraying Varnish

Large paintings present an increased difficulty level when it comes time to apply an “isolation coat” or a varnish layer. Spraying in lieu of brushing makes sense when a smooth, defect-free surface is desired.  After all, there are reasons vehicles are spray painted instead of using a brush!  While one may be receptive to the […]

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Value of Plastics as a Painting Support

Artists have been using plastics as a substrate for their work since their development as a consumer material. Early plastics were heralded with such acclaim that they were awarded special honors during the London 1862 World’s Fair. These nitrocellulose plastics were used in constructions by artists Naum Gabo and Antoine Pevsner in their work of […]

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Good Wetting and Poor Wetting

Acrylics on Plastics

By Vaikunt Raghavan, Ph.D. Basics of Wetting and Adhesion When a liquid comes into contact with any solid, new interfaces or boundaries are generated between these dissimilar materials. Although many factors exist which will promote or inhibit adhesion of the acrylic paint onto the solid plastic, the most important element is the ability of the […]

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