R&F Pigment Stick - Brown Pink, 38 ml
Dark reddish-brown top tone. Fiery pinkish-brown undertone.
Like an intense burnt sienna. Excellent glaze.
- Pigment Composition: PR101-Red Iron Oxide
- Dimension: 38 ml. stick measuring 5" x 3/4"
diameter
- Paint Lines: Encaustic Pigment Stick
- Opacity: Transparent
- Pigment Stick Drying Rate: Medium
- Classification: Synthetic Inorganic
- Chemical Composition: transparent iron oxide
- Safety Information: Conforms to ASTM D-4236
Pigment Name: PR101 Red Iron Oxide
Classification: Synthetic Inorganic, Earth
Chemical Composition: Iron oxides (synthetic), iron oxide,
silica, alumina, lime, and magnesia or hydrated iron oxide
Properties
Red iron oxide varies in hue and transparency, depending on
hydration and slight impurities. Indian Red is a slightly duller, deep brick
hue with a bluish undertone. It is very dense and opaque, with excellent
tinting strength and covering power. It is dependable when mixed with all other
permanent pigments and yields good flesh tints when mixed with Zinc White. It
is the synthetic version of PR102, a pigment made from earth reds or natural
red iron oxides, and the names applied to PR101 and PR102 often overlap.
Synthetic red iron oxides have mostly replaced natural red iron oxides and are
brighter, more robust, refined, and permanent. Indian Red is the highest grade
bluish shade. Light Red, English Red, and Venetian Red are yellowish shades.
Mars Violet is a dull and subdued bluish or purplish oxide.
Permanence
Red iron oxide is very lightfast and has excellent
permanence.
Toxicity
Red iron oxide has no significant hazards.
History
Natural red iron oxide comes from the mineral ore hematite,
which the ancient Greeks called bloodstone from the word hema, meaning blood.
Hematite is one of the oldest pigments, has been used by every major
civilization, and was an essential mineral for medieval alchemists. It was not
widely used in artists' materials until the 17th century and was not produced
in large quantities until the 18th century.
