Rublev Colours Bone Black is an opaque warm black with good tinting strength, fine grained and brushes 'long' in the direction of the brush stroke.

Bone Black also known as ‘bone char’ or ‘animal charcoal’, is produced by charring animal bones. The bones are heated to high temperatures without oxygen. It consists mainly of calcium phosphate and a smaller amount of carbon. Ivory black is an artists’ pigment formerly made by grinding charred ivory. Ivory is no longer used because of the expense, and because animals that are natural sources of ivory are subject to international control as endangered species. Today, ivory black is considered a synonym for bone black. Among artist pigments, ivory black is considered a better grade of bone black, consisting of 15 percent or more of carbon. We use only the best grade of bone char containing at least 18 percent carbon. Rublev Colours bone char oil paint is named ‘Bone Black’ because they use the name of the actual pigment for their colors.

Series: 1

Opacity: Opaque

Tinting Strength: High

Drying Rate: Medium

ASTM Lightfastness: I

Permanence: A

Safety Information: There are no acute or known chronic health hazards associated with the anticipated use of this product (most chemicals are not fully tested for chronic toxicity). Always protect yourself against potentially unknown chronic hazards of this and other chemical products by keeping them out of your body. Do this by avoiding ingestion, excessive skin contact, and inhalation of spraying mists, sanding dusts and vapors from heating. Conforms to ASTM D-4236