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Sun-Thickened Walnut Oil 8 fl oz

SKU: NAP-510-40WST08
Sun-Thickened Walnut Oil 8 fl oz
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 1   US$ 44.03 
 2   US$ 43.77 
 3   US$ 43.61 
 4-5   US$ 43.50 
 6-7   US$ 43.35 
 8-11   US$ 43.24 
 12+   US$ 43.08 
Price: US$ 44.03
US$ 44.03

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Product description


Rublev Colours Sun-Thickened Walnut Oil is made by exposing filtered, cold-pressed walnut oil to sunlight in shallow tanks covered with clear glass and exposed to the atmosphere for a period of three months. No driers or other additives are used in the making of this oil. The exposure to sunlight thickens it. This walnut oil is naturally bleached to almost water white, so it can be used with palest colors and whites. This oil can be used as a medium or added to homemade mediums.

Use turpentine or mineral spirits as a solvent or diluent for oil painting mediums made with walnut oil. Our walnut oil is a drying oil derived from California walnuts.

As early as the fifth century walnut oil was recommended by Aetius for varnishing wax pictures and gilt surfaces. It is recommended for all light pigments in the treatises on painting by Leonardo da Vinci, Vasari, Borghini, Lornazzo, Armenini, Bisagno, Volpato, and others.

Product Information
Source: Juglans regia
Fatty Acid Profile
Linoleic Acid: 59.6%
Linolenic Acid: 13.5%
Oleic Acid: 16.2%
Palmitic Acid: 7.3%
Stearic Acid: 2.5%
Iodine Value: 145-160
Refractive Index: 1.4692
Color (Lovibond): 7Y/1.0R
Specific gravity: 0.960 @ 25° C
Drying Index: 86.6

Acid Value (mg KOH/g), max: 1
Color (Gardner 1953), max.: 2
Viscosity (Stokes @ 25° C): 0.65
Viscosity (Gardner-Holdt @ 25° C): B
Saponification Value: 162-172
Appearance: Clear/Transparent at 25° C
Weight Per Gallon: 7.81 lbs.

Must be stored in a cool, dry place away from direct light.

Warning: Rags or paper towels contaminated with vegetable drying oils, particularly those containing iron oxide pigments are susceptible to spontaneous combustion. To prevent unexpected fires, used rags or paper towels contaminated with oil-based materials should be collected in a closeable, air-tight container. Store water-dampened rags or paper towels in a metal container with an air-tight top. Alternately, washing contaminated rags will remove contaminating materials and eliminate risk.


Source: Juglans regia
Linoleic Acid: 59.6%
Linolenic Acid: 13.5%
Oleic Acid: 16.2%
Palmitic Acid: 7.3%
Stearic Acid: 2.5%
Iodine Value: 145-160
Refractive Index: 1.4692
Color (Lovibond): 7Y/1.0R
Drying Rate: 86.6

Natural Pigments

Natural Pigments is a limited liability company based in Willits, California. We manufacture and distribute rare and hard-to-find materials for fine artists and decorators. We specialize in supplying artists' materials that were used in historical painting since pre-historic times up to and including the nineteenth century.

We constantly search for materials and products of the finest quality so that we can bring them direct to you from the source. To do so, we travel the world to find materials specifically for use by professional artists and decorators. We obtain minerals from mines in Afghanistan, Chile, Russia, Ukraine and Uzbekistan, to name a few places, processing these into natural pigments. We purchase resins, gums and plants from India, Kenya and Malaysia to make natural varnishes and painting mediums.

Our mission is to provide the largest variety of natural pigments, paints and other professional artists' supplies, enabling us to bring you a selection that makes shopping for rare and hard-to-find art materials easy. Our objective is to promote the education and use of these materials among artists by providing detailed information for their employment in encaustic, fresco, oil, watercolor and tempera painting.
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This product is shipped from our warehouse in Gretna, NE, USA.
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
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Sun-Thickened Walnut Oil 8 fl oz

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