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Winona Powder Coating invests in heavy-duty line and electrocoating to serve agricultural, industrial markets.

Recently we bought a shipment of white louvers for residential electric heaters from an off-shore supplier. Unfortunately, the paint used on the louvers by the off-shore plant is not up to that standard, so the louvers turn from white to brown where the heat comes out in the electric heater unit. How do we correct the problem? How many choices do we have? What is the easiest and least costly way, relatively speaking?

Optimum Anode Technologies provides dimensionally stable anodes with a range of mixed-metal oxide coatings, including iridium, ruthenium, rhodium, platinum and proprietary oxide coatings, as well as platinum plated and clad material.

Question: My facility repairs Marine Corps equipment such as tracked vehicles (i.e. tanks, armored vehicles, engineering equipment). We use paint products such as wash primers.

What caused corrosion on one shop’s black-dyed parts? Anodizing expert Larry Chesterfield offers troubleshooting advice.

In several past issues you stated, “...never, never use a phosphoric acid activated vinyl wash primer over a pretreatment.” In the past several decades, the exterior finish system on USAF and US Navy aircraft was chemical pretreatment film, phosphoric acid activated vinyl wash primer, primer and topcoat. After several applications of paint strippers and abrasive media spots of wash primer still remained.

Webster has three definitions for automation, but the second one applies best to painting: “The techniques and equipment used to bring about automatic operation and control.” Within that statement, techniques and equipment become the operative words because there is such a broad range and degree of both.