Cold-Pressed Linseed Oil

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Cold-Pressed Linseed Oil produced from first pressing of flax seeds without using heat or chemicals of any kind. Use to grind colors, but it is sometimes best to wash and bleach before use. Learn more unique properties here

Cold-Pressed Linseed Oil is pressed from flaxseeds without the use of heat or solvents.


Cold-pressed linseed oil is sometimes recommended when grinding dry pigment to make oil paint, because of its higher acidity than alkali-refined linseed oil. Used as a medium with oil colors for thinning, lower gloss and transparency, and pronouncing brush marks.

Use turpentine, spike oil or mineral spirits as the solvent for oil painting mediums and for brush and studio clean up.


Linseed oil is a yellowish drying oil derived from the dried ripe seeds of the flax plant (Linum usitatissimum, Linaceae).

Product Information
Natural Source:Linseed Linum usitatissimum
CAS No.:8001-26-1
Typical Fatty Acid Profile
Linoleic Acid:24.1%
Linolenic Acid:47.4%
Oleic Acid:19.0%
Palmitic Acid:6.0%
Stearic Acid:2.5%
Typical Properties
Acid Value (mg KOH/g):4 Maximum
Color (Gardner, Maximum):11
Iodine Value:177–190
Viscosity (Gardner-Holt at 25 °C):A1–A
Appearance (at 25 °C):Clear/Transparent
Specific Gravity (at 25 °C):0.923
Weight Per Gallon (at 25 °C):7.72 lbs.

Health and Safety

There are no acute or known chronic health hazards associated with the anticipated use of this product (most chemicals are not fully tested for chronic toxicity). Always protect yourself against potentially unknown chronic hazards of this and other chemical products by keeping them out of your body. Do this by avoiding ingestion, excessive skin contact, and inhalation of spraying mists, sanding dusts and vapors from heating. Conforms to ASTM D-4236.

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 closable, 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.

For more information on how to handle artist's materials safely, please read How to Safely Handle Art Materials and Pigments.


For best results store in a cool, dry place tightly closed.

More Information
BrandRublev Colours
VendorRublev Colours
Processing TimeUsually ships the next business day.

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Cold-Pressed Linseed Oil
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