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01723-3710 — Bright Rose (Luminous)

Premium pigments sourced from around the world are combined with a highly refined medium to produce this superior professional quality watercolor. ShinHan features clear color tones, exceptional brightness and transparency, and superior light stability.

Bright Rose (Luminous)

This color contains the following pigments:

PBr10—Calcium Plumbate
PR60—Permanent Rose

PBr10—Calcium Plumbate

Pigment Type

inorganic

Chemical Name

calcium plumbate

Chemical Formula

Ca(PbO₃)₂

Properties

Calcium plumbate is a brown pigment and additive and a powerful oxidizing agent which promotes adhesion in linseed oil paint film and confers toughness to the paint layer. It is used primarily as a rust inhibitor on iron and steel.

Permanence

Calcium Plumbate is considered permanent and lightfast. It is often used as a primer over ferrous metal.

Toxicity

Calcium Plumbate, a leaded paint additive and pigment, is toxic. However, since it is far less soluble than lead carbonate white, it is less biologically active, and it has not been subject to as harsh a regulatory regime as lead white paints.

History

Developed as a rust inhibitor after World War II, it was once used extensively in shipbuilding, auto body work, and automotive restoration. Although it is much less dangerous than white lead carbonate, and is encapsulated in the paint vehicle, the presense of molecular lead has discouraged use of calcium plumbate in artist paints.

Alternate Names

n/a

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PR60—Permanent Rose

Pigment Type

organic, disazo

Chemical Name

n/a

Chemical Formula

n/a

Properties

PR60 is a bluish red transparent pigment with low tinting strength.

Permanence

PR60 has poor lightfastness. As a result, it is recommended only for temporary works of art, and for artwork that is meant to be photographed.

Toxicity

n/a

History

P.R. 60 was patented as early as 1902 by Meister Lucius & Brüning. Because its tinting strength is low and its lightfastness is poor, its use today is limited primarily to plastics, inexpensive packaging, and paper coloration.