[George]

Tammy, if you need additional help, please let me know, but generally, if the aluminum is coated, you can apply the ground directly to the panel. We also recommend Rublev Colours Lead Alkyd Ground for the best adhesion performance.

[George]

A dicyclopentadiene copolymer is a type of oil and not a drier. In the case of Epoxide Oil it is a modified linseed oil with new and better properties.

[George]

Would you be interested in sharing your recipe for egg-oil tempera?

[George]

There is no literary information about the painting-making practices of Van Eyck, but we can infer a great deal based on what conservation scientists find in his paintings and those of his contemporaries. We cover some of this information in the Painting Best Practices webinar.

[George]

Originally, it was charred vines, but the source is gone and we decided to replace it with a similar color that is an earth pigment. We will be reintroducing a black made from charred vines next year. Charred vines do not produce pure carbon, but a mixture of carbon and calcium phosphate, similar to bone black.

[George]

This is common due to darkness yellowing. You do not need to wait until it bleaches back to its original color, but it will return to its former white in one or two days of exposure to artificial light.

[George]

Venetian Red is certainly one of my favorites because it makes cool tints (pink) with lead white. Ercolano Red on the other hand makes warm tints (orange) with lead white. With these two colors, you can achieve a range of tints from cool to warm.

What is a true red? Perhaps it is one that falls in the middle of the two temperatures. That is really difficult because they all seem to have a bias towards one temperature or another.

[George]

Natural Pigments produces bone black, which is the same as ivory black. In reality, no company makes ivory black because it is illegal to trade in ivory.