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(Multiple values) Linseed Oils

The Process of Alkali Refining Linseed Oil

  Linseed oil comes from flax seeds which are harvested from the same flax plant that produces the fibers used to make linen. Artists have been using linseed oil for centuries to make paints, mediums and varnishes. It is widely used today, not only in artist materials, but also for a wide range of industrial applications […]

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Featured Image for Zinc FAQ

Zinc Oxide: FAQ

FAQs Concerning Zinc Oxide (PW 4) in Oil Paints PDF version: Zinc Oxide FAQ INDEX Zinc Oxide’s Use in the Past When did artists start using Zinc White? Why was Zinc used? What did it offer? Are older paintings containing Zinc Oxide falling apart? Why do some older paintings still look good? How Does Zinc Oxide […]

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Masstone and undertone applications of
transparent colors. The paint on the left was applied in full thickness with a palette knife and then scraped to the canvas at the top of the strip. The right side was applied thinly with a brush and then wiped away to show the undertone of the transparent color. Nickel Azo Yellow (left) is a complicated, wide ranging color with a greenish brown masstone with a hint of glowing red beneath the brushstroke. The undertone transitions from an earth orange to a chromatic, almost astringent, brilliant yellow. Transparent Red Iron Oxide (center) is a deep transparent red brown with a fiery red glow. The undertone ranges from glowing earth red
to blazing orange. Transparent Yellow Iron Oxide, (right) by contrast, is much warmer, yellowish brown. It is a transparent chestnut brown with a slight reddish bias in the masstone and a clean earth yellow undertone.

Williamsburg Welcomes 7 New Colors

Williamsburg Handmade Oil Colors is excited to introduce seven new colors to its line-up: three warm, highly saturated hues, three transparent earth colors and a light color tint. Bismuth Vanadate Yellow, Pyrrole Orange, Pyrrole Red, Nickel Azo Yellow, Transparent Yellow Iron Oxide, Transparent Red Iron Oxide and Titan Buff all have ASTM lightfastness ratings of […]

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Wall of Test Samples That Will Be Shipped in October to Arizona for Accelerated Exterior Lightfastness Testing following ASTM D4303

Lightfastness Testing at Golden Artist Colors

While we often report on results from lightfastness testing, we have rarely paused to actually describe the process we follow. And let’s face it, for most people stating that our tests conform to ASTM D4303, Standard Test Methods for Lightfastness of Colorants Used in Artists’ Materials, does very little to fill in the blanks. In an attempt to solve […]

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Titanium White Dark Yellowed for 1.5 Years then Exposed to Sunlight for 8 Hrs

What is Dark Yellowing?

Dark yellowing is the reversible, temporary yellowing that dried oil paint undergoes when stored in the dark or subdued lighting. While noted in many historical writings, most painters remain unaware of it and become surprised or concerned when they discover it happening to their own works. Which makes sense. With no other context to go […]

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Painting with Oils on Paper

For oil painters who find themselves eager to paint but reluctant to spend too much time or money on surface preparation, you might try working on paper. Paper can be reasonably priced, easy to prepare and less formal than panel or stretched canvas. If prepared properly and maintained with longevity in mind, paper can be […]

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