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Description

Color Swatch

Pigment Info

20076-2511 — Neutral Gray D

Unmatched in their softness and consistency, Schmincke soft pastels were created using the finest artist's pigments and a minimum of binders. Pastel softness permits beautiful dense application, and high pigment concentration results in intense colors.

Neutral Gray D

This color contains the following pigments:

PBr6—Mars Brown
PBk11—Mars Black

PBr6—Mars Brown

Pigment Type

n/a

Chemical Name

iron oxide

Chemical Formula

Fe₂O₃

Properties

Mars Brown has similar general properties to the pure red oxides, and it is often a mix of synthetic forms of oxides such as PY42, PR101, and PBk11. Its tinting strength is low, and it dries quickly. Hues vary based on manufacturer.

Permanence

Mars Brown has excellent permanence and lightfastness, with outstanding resistance to chemicals, heat, and weather.

Toxicity

Mars Brown is not considered toxic, although care should be taken not to breathe its dust.

History

Unknown.

Alternate Names

Brown Iron Oxide.

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PBk11—Mars Black

Pigment Type

earth

Chemical Name

iron oxides

Chemical Formula

FeO or Fe₂O₃

Properties

Mars Black is an opaque black with a strong and cool masstone, a slightly warm tint, and a warm brown undertone. It is not as black as Ivory Black, but it dries more quickly and has three times the tinting strength. Mars Black is normally the only black available in acrylic form and that is safe to over paint. It can be used in all media without reservation and is widely used as an alternative to Lamp Black and Ivory Black.