El Greco Iconography Pigment - Blue Prussian - 100gr
Theophanis the Greek pigments are named in honor of the great Byzantine icon painter Theophanis the Greek (1340–1410), one of the most influential figures of late Byzantine art.Ultra-fine pigments for icon painting and fine art, free of impurities or coarse particles.Sourced from selected mines around the world, including rare and exotic locations. + Read More
Theophanis the Greek pigments are named in honor of the great Byzantine icon painter Theophanis the Greek (1340–1410), one of the most influential figures of late Byzantine art.
- Ultra-fine pigments for icon painting and fine art, free of impurities or coarse particles.
- Sourced from selected mines around the world, including rare and exotic locations.
- Superior to low-grade (construction-type) pigments thanks to:
- Excellent opacity (colors marked O – Opaque).
- Outstanding lightfastness (marked *, **, ***).
- Consistent, finely milled particle size.
- Easily mixed with egg or glue for traditional icon painting, as well as color-making media such as linseed oil, alkyd resins, etc.
- Suitable for both professional and hobbyist icon painters and artists.
- T : Transparent | S/O : Semi-Opaque | O : Opaque
- FR : Suitable for FRESCO technique
- o : Light sensitive | * : Medium lightfastness | ** : Good lightfastness | *** : Very good lightfastness
- Note: When opacity or lightfastness is not specified, no information is provided by the supplier.
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No.47
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ManufacturerEl Greco
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Product TypeDry Pigments
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Barcode5212016643712
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Color FamilyBlue
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Paco code8311368
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Color NameBlue Prussian
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SKUELGREC-400.100-47
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Size100gr
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DescriptionDry Pigment
Πληροφορίες Χρωστικής
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Pigment NamePB15:3-Phthalo Blue
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Pigment typeorganic
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Chemical Namebeta copper phthalocyanine
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Chemical FormulaC32H16CuN8
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Properties
Phthalo Blue PB15:3 is a structural variant of Phthalo Blue PB15 that produces more greenish tones.
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Permanence
Phthalo Blues are completely lightfast and stable and are permanent for all paint uses. They are currently used in inks, coatings, and many plastics due to their stability and are considered a standard pigment in printing ink and the packaging industry.
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Toxicity
Phthalo Blues have no significant hazards, although those made before 1982 contained some PCBs (polychlorinated biphenyls).
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History
Developed by chemists using the trade name Monastral Blue, the organic blue dyestuff now known as Phthalo Blue was presented as a pigment in November 1935 in London. Its discovery was accidental. The dark color was observed in a kettle where a dye was being made from a British dyestuff plant. The demand for such a pigment came from commercial printers who wanted a cyan to replace Prussian Blue.
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Pigment NamePR170-Naphthol Red
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Pigment typeorganic, naphthol AS
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Chemical Name-
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Chemical FormulaC26H22N4O4
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Properties
Pigment PR170 is a bright deep red with bluish undertones. It has an average drying time. It has two crystaline forms that differ significantly in opacity. The more transparent form (F5RK) tends to be more bluish and is less lightfast.
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Permanence
The lightfastness and weatherfastness of Pigment PR170 varies, depending on the application and the crystaline form. The opaque form (F3RK) has very good lightfastness, and is more weather resistant. The transparent form (F5RK) has lightfastness that is considered acceptable in pure applications, but it fades more in tints. Neither form is considered suitable for exterior use.
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Toxicity
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History
Naphthol pigments are actually dyes that are laked to form pigments. First developed by the German chemical company Hoechst A.G. before World War I, their use in artist paints began in the 1920s. Pigment Red PR170 is a Naphthol AS pigment, chemically related to the diarylide yellow pigments. The Naphthol AS pigments comprise a range of reds. They are used in plastics, textiles, and printing inks.
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