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Why Do Dyes Fade? A Look at Low Lightfast Dyes
When we consider the question, What causes dyes to fade?, we’re figuring out what dyes are best to use in what situations. Why is understanding fading important? If you choose a dye with poor light...
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How to Choose the Best Dye Tests for Your Lab
How do we test dyes? This is a trick question… I could write an encyclopedia of all the different dye tests and application requirements. To make it simple, I like to think of dye tests in two...
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Can You Dye a Bee? And Other Unexpected Uses for Dyes
We’re all aware of the typical colorant uses we see every day. You recognize colors used in the fabrics of your clothes, the leather in your shoes, the ink in your pens… But what about color uses we’re...
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How Do You Make an Azo Dye?
We don’t often think of color as something manufactured. The color of our favorite shirt or the paint on the wall seems inherent, but it’s actually a careful process to make the colors we see in...
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Dyes- What Are We Looking For in Them?
Choosing the correct dye for your use can be confusing, especially if you do not know what your options are. Yes, we all can say we want a certain color, but what about the characteristics of that...
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FD&C Dyes: What are They?
Have you ever thought about the color that is in your food, soft drinks, cosmetics, and medicines? If you have, you might wonder where they come from or what they are. Most of that color comes from...
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A Brief History of Natural Dyes
There are two types of dyes, Natural and Synthetic. Natural dyes come from animal or plant sources while synthetic dyes are manmade. Until 1856, if you were trying to dye clothing, you would have had...
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A Brief History of Synthetic Dyes
In 1856, teenager William Perkin accidentally discovered a dye he called mauve while trying to make quinine in his home lab. This accident spawned a new synthetic dye industry that changed the course...
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How Do We See Color and Do We All See Color The Same Way?
How we see color is a complex scientific process. The idea that we could possibly see color differently adds a personal and more abstract component to that process. It is that personal touch that makes...
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What To Consider When Combining Dyes
We all recognize that you cannot get all the colors in the rainbow by just using the three primary colors- Red, Yellow and Blue. There are millions of in between shades that we might want to produce....
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