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Liquitex Heavy Body Artist Acrylics - Naphthol Crimson, 4.65 oz Tube

Heavy Body Acrylic

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  • Blick Art Materials
    $19.59 USDShop
    Recorded Oct 22, 2026, 2:08 AM UTC

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Product details
Size
138 ml
Blick SKU
00617-3223
About this product range
  • Professional quality
  • 116 rich, brilliant colors
  • High pigment concentrations
  • 100% acrylic binder—minimal color shift
  • Thick texture retains knife and brush marks
  • Made in France

Liquitex Professional Heavy Body Acrylics are high-viscosity acrylics formulated for bold color and precision handling. Formerly known as High Viscosity, this line features a thick consistency that retains crisp brushstrokes and knife marks—ideal for impasto, layering, and textural work.

High pigment loads deliver rich, permanent color with excellent lightfastness, while a low-odor acrylic resin base offers increased open time and a smooth working experience with minimal wet-to-dry color shift. The paint’s strong surface drag allows for controlled blending and expressive mark-making using brushes or knives. It’s equally suited to traditional painting, mixed media, collage, and printmaking techniques.

When dry, paint films remain flexible, non-yellowing, water-resistant, UV resistant, and pH neutral. Available in a range of versatile sets, Liquitex Heavy Body Acrylics are a great choice for both beginners exploring acrylics and experienced artists seeking professional-quality results.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Naphthol Red

Pigment code
PR170
Type
organic, naphthol AS
Chemical formula
C26H22N4O4
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.
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.
Toxicity
Naphthol Reds are not considered toxic. They may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
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.
Description
Naphthal, Naphthol Bordeaux, Naphthol Carbamide, Naphthol Carmine, Permanent Carmine, Naphthol Crimson, Permanent Red, Permanent Red F3RK (more opaque), Permanent Red F5RK (more transparent).

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