Let’s first talk about oven conditions. It is paramount to understand that powder coatings respond best when...

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There are two primary reasons to coat an object – to protect and to beautify. The inclusion of color into a formula satisfies the latter objective. Before delving into the particulars of pigmentation, a few definitions are in order. Colorant pigments are sometimes referred to as prime or opacifying pigments.

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We often think of technology in terms of software, computers, robotics or other tangible machinery that automates some part of our daily lives.

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When you think of playground equipment, you might envision bright primary colors – a twisty blue slide beside brilliant red monkey bars.

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When comparing two samples with the same pigmentation, but different degrees of gloss, the one with the higher degree of gloss is visually perceived as darker and more saturated than the matte sample. For this reason, it is very important to measure both surface effects separately.

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This edition of Technology Interchange is all about calculations. In our daily life as powder coating professionals, it is essential to quantify everything from quality to cost to color to size and beyond. A wise person once said (probably more than once), “if you can’t measure it, you don’t know it.” Let’s get started.

 

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Retro-reflective Coatings Change the Way We Look at Safety

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CCAI’s FINISHING Pavilion Set as FABTECH Returns to Chicago

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Producing a powder coating is a multi-step process. It can be described as being semi-continuous because it begins as a batch process (weighing and pre-mixing) but evolves into a continuous process (extrusion and milling). In the last Technology Interchange article, we discussed the first steps in manufacturing a powder coating. This consists of weighing, premixing and extrusion. This edition covers what happens to the flakes generated from the extrusion process.

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The finishing needs of the defense market continue to advance and change. This includes the evolution of powder coatings, which must address the following requirements:

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