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Concentrated, lively, and highly pigmented, Pebeo Studio Gouache colors are specially formulated to retain their brilliance, even after drying.
Color Swatches created using full strength/50/50 and were applied on cold press Bristol board (2 ply) material.
Fluorescent pigments such as BV11:1 offer intense and brilliant effects because they absorb ultraviolet light and re-emit light at longer wavelengths.
Like all fluorescent pigments, BV11:1 is not considered permanent. It will fade with exposure to ultraviolet light.
C18H12N2O6, calcium salt
Lithol Rubine (PR57:1) is a deep transparent red dye, generally slightly bluish, that is laked as a salt with sodium or calcium to form a pigment. PR57 is the sodium salt, and has a more bluish tone. PR57:1 is the calcium salt, and is the most widely used. Lithol Rubine makes clean pinks when tinted. Sources vary greatly in hue and transparency. Lithol Rubine has high tinting strength.
Lightfastness is considered only fair to good. Superior products are available when lightfastness is paramount. Where greater lightfastness is needed in process color printing, the more expensive pigment PR184, a Naphthol AS pigment, is often substituted for Lithol Rubine.
Lithol Rubine is not considered toxic. It is used in food, drugs, and cosmetics. Pink lipstick is often manufactured with pigment PR57:1. Lithol Rubine can be used in art materials intended for children.
Lithol Rubine pigments (especially the calcium salt PR57:1) are widely used in inks, paints, plastics, and textiles. Lithol Rubine is widely used as magenta in process color printing.
4B Toner, Pigment PR57:1 is also known as D&C Red No 7, Ruby Red, Brilliant Carmine.
organic, fluorone dye
Rhodamine 6G is a staining reddish-yellow pigment that has fluorescent properties. It is extremely soluble in both water and alcohol. Fluorescent molecules absorb light at one wavelength and emit light at a longer wavelength.
Rhodamine 6G, like all fluorescent dyes, is not considered permanent, however it is reported to have high stability for a fluorone dye.
Rhodamine 6G is toxic, however it can be biologically inactive and hence non-toxic in a lake pigment form.
Rhodamine dyes are often used for microscopy in the biological sciences. Rhodamine 6G is often used as a laser dye.
Basic Rhodamine Yellow, Rhodamine 590, Pigment PR81.
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Dick Blick Art Materials · P.O. Box 1267 · Galesburg, IL 61402-1267 · Toll-free Phone (800) 828-4548 International Phone +1-309-343-6181 ext. 5402 · Fax (800) 621-8293
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