Sun-Thickened Linseed Oil (Lead Dry Oil)

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SKU
510-40OST

Sun-Thickened Linseed Oil is made by exposing raw, cold-pressed linseed oil to sunlight in shallow tanks covered with clear glass and exposed to the atmosphere. To give the oil more body (higher viscosity), we place lead sheets in the tank and blow air through the oil. Trace amounts of lead may dissolve into the oil and may be present in the finished oil.

The color of sun-thickened linseed oil varies from that of sun-thickened walnut oil to darker colors due to the time of year it is processed and the manner of processing. It is typically faster drying than bodied linseed oil and will add gloss, leveling, and flow out to oil paint. This oil can be used as a medium or added to homemade paints and mediums.

Use turpentine, spike oil, or mineral spirits as a solvent or diluent for oil painting mediums made with linseed oil.

Source

They are prepared by exposing cold-pressed linseed oil (derived from the dried ripe seeds of the flax plant [Linum usitatissimum, Linaceae]) to sunlight and blown with air with lead plates.

Trace amounts of lead may be present but are not added to the oil. Sun-thickened linseed oil may contain trace amounts of lead because metallic lead strips are placed in the tanks where the oil is exposed outdoors for several months. The metallic lead aids in thickening the oil. Typically, the lead does not dissolve into the oil, but we cannot guarantee that small amounts of lead are not present. For this reason, we warn that the product may contain trace amounts of lead.

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): 1–3
Color (Gardner 1953): 3–10
Iodine Value: 145–160
Saponification Value: 162–172
Viscosity (Stokes at 25 ° C): 0.65
Viscosity (Gardner-Holdt at 25 ° C): B
Appearance (at 25 ° C): Slight turbid
Specific Gravity (at 25 ° C): 0.960
Weight Per Gallon: 7.81 lbs.

Health and Safety

WARNING! MAY CONTAIN LEAD. HARMFUL IF SWALLOWED. Avoid ingestion and skin contact. Wear protective clothing and gloves to prevent contact with the skin. Never use near children or pets. Conforms to ASTM D 4236.

DANGER
CONTAINS LEAD / CONTIENT DU PLOMB
DO NOT APPLY TO SURFACES ACCESSIBLE TO CHILDREN OR PREGNANT WOMEN.
NE PAS APPLIQUER SUR UNE SURFACE ACCESSIBLE AUX ENFANTS OU AUX FEMMES ENCEINTES.
Must be used exclusively as material for the purposes of arts, crafts or hobbies, not for use by children. Utiliser uniquement aux fins suivantes comme matériaux pour les besoins d'art, d'artisanat ou passe-temps, pas pour une utilisation par les enfants.

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. Alternatively, washing contaminated rags will remove contaminating materials and eliminate risk.

For more information on handling artists' materials safely, please read How to Handle Art Materials and Pigments Safely.

Storage

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

More Information
SKU510-40OST
BrandRublev Colours
VendorRublev Colours
Processing TimeUsually ships the next business day.

California Proposition 65: This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

WARNING! MAY CONTAIN LEAD. HARMFUL IF SWALLOWED. Avoid ingestion and skin contact. Wear protective clothing and gloves to prevent contact with skin. Never use near children or pets. Conforms to ASTM D 4236.

DANGER
CONTAINS LEAD / CONTIENT DU PLOMB
DO NOT APPLY TO SURFACES ACCESSIBLE TO CHILDREN OR PREGNANT WOMEN.
NE PAS APPLIQUER SUR UNE SURFACE ACCESSIBLE AUX ENFANTS OU AUX FEMMES ENCEINTES.
Must be used exclusively as material for the purposes of arts, crafts or hobbies, not for use by children. Utiliser uniquement aux fins suivantes comme matériaux pour les besoins d'art, d'artisanat ou passe-temps, pas pour une utilisation par les enfants.

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Sun-Thickened Linseed Oil (Lead Dry Oil)
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