Schmincke Horadam Aquarell Artist Watercolor - Neutral Gray, 15 ml tube

Item #:00323-2121
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Schmincke Horadam Aquarell Artist Watercolor - Neutral Gray, 15 ml tube and swatch

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Product Details

Description:
Horadam Aquarell Artist Watercolor
Color:
Neutral Gray
Size:
15 ml
No.
785
Series:
14
Mfg #:
14785006

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Pigment Information

This color contains the following pigments:

PO62-Benzimidazolone Orange

PR255-Coral Red

PB60-Indanthrene Blue


Pigment Name

PO62-Benzimidazolone Orange

Pigment Type

organic, monoazo

Chemical Formula

C17H13ClN6O5

Properties

Benzimidazolone Orange is a staining, yellowish orange pigment that can become dull in tints. It has an average drying time, and it loses some of its intensity as it dries. The yellowish orange varieties are more transparent.

Permanence

Benzimidazolone Orange has excellent lightfastness and outstanding heat and solvent stability for a monoazo pigment.

Toxicity

Benzimidazolone Orange is not considered toxic.

History

The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis. Use of benzimidazolone pigments in the auto industry, especially Benzimidazolone Orange, became common in the 1980s because they were common replacements for lead chromate pigments, which were phased out during this period.


Pigment Name

PR255-Coral Red

Pigment Type

organic

Properties

Ciba describes PR255 as a yellowish red pigment with medium hiding power and excellent weather resistance, recommended for use in high grade decorative and industrial paints.

Permanence

Pigment Red 255 has excellent lightfastness and weatherfastness at full strength, and can be used for outdoor applications.

History

Pigment Red 255 has been used in paint, plastics, printing inks, and automotive finishes.


Pigment Name

PB60-Indanthrene Blue

Pigment Type

organic, vat dyes

Chemical Name

complex, insoluble anthraquinone

Chemical Formula

C28H14N2O4

Properties

Indanthrene Blue is a clear, clean, deep blue organic pigment. It has moderate to high tinting strength and is not as overpowering as Phthalo Blue. Hansa Yellow Deep, Benzimidazolone Orange, and Raw Umber are its best mixing complements.

Permanence

Indanthrene Blue is permanent with excellent lightfastness in both masstone and tints.

Toxicity

Indanthrene Blue varies in its acute toxicity, though toxicity is generally slight.

History

Indanthrene Blue is the oldest vat dye, discovered and patented in 1901 by Rene Bohn. It is considered the first anthraquinone vat dye, a group of dyes characterized by excellent lightfastness. The pigment originates from this dye.


Safety Data Sheet

UPC Code: 4012380048813

ASIN #: B005WK0652