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Gum Turpentine is obtained by the distillation of sap tapped from living pine trees. Turpentine has more solvency than mineral spirits or odorless mineral spirits. Its high solvent strength makes it the best choice for thinning oils and natural resins.
Our pure spirits of gum turpentine is steam-distilled (rectified) from pine trees (Pinus elliottii) in Brazil, a species often used as the benchmark by which others are judged. It contains over 90% pinene, almost half of which is beta-pinene, and virtually no high-boiling constituents. It does not contain impurities found in industrial grades of turpentine, which make them unsuitable for artists' use. It is used with linseed or other oils as a medium, with damar or mastic as a diluent for picture varnishes or as a solvent for cleaning brushes and tools.
This is the traditional artists' thinner (diluent) for oil colors, mediums and varnishes. It improves the flow and dissolves wet oil colors easily and evaporates readily. Add directly to oil colors, mediums or varnishes for thinning; soak brushes well to remove color or varnish.
Turpentine is considered to be a better solvent than mineral spirits, and the best solvent for natural resins, such as damar and mastic. It readily dissolves most of the natural varnish resins. It will not dissolve the fossil resins (copal) until they have been heat-processed to render them soluble in drying oils. Turpentine is a solvent for many of the alkyd resins. Short oil modified alkyd resins require a more active solvent, and so manufacturers use d-limonene (dipentene) or petroleum solvents.
While both turpentine and mineral spirits are good brush cleaners, turpentine can remove paint that has hardened slightly. Mineral spirits will only dissolve fresh oil paint.
Gum turpentine or spirits of gum turpentine is recommended for artists' painting or varnish applications over other turpentine products, such as wood turpentine. The principal difference between the turpentine products available today -- gum turpentine and wood turpentine—is the constituent b-pinene, which is almost entirely absent from wood turpentine. Wood turpentine can be used as a solvent for oil paint, but gum turpentine is more suitable for natural varnishes.
All gum turpentine sold is steam-distilled and the labels of "double" or "triple distilled" is a point of distinction that has little or no real meaning in commerce today. Rectified turpentine is the term used in the United Kingdom to signify distilled turpentine.
Some believe that turpentine aged "several months" is a superior thinner and increases its durability. This was a recommendation often encountered in nineteenth century artists' manual, but its efficacy is unknown. Turpentine stored 15 to 18 months, still passes the ASTM tests so that the degree of oxidation developed under normal storage conditions during this period is not great.
This product meets Federal Specification TT-T-801.
|Product Name:||Gum Turpentine (Produced in Brazil)
Oil of Turpentine (Mixture of bicyclic monoterpenic hydrocarbons, mostly α and β-pinene)
|CAS No.:||Gum Turpentine: 9005-90-7
Oil of Turpentine: 8006-64-2
|Flash Point (TCC):||95° F (35° C)|
|Flash Point (Open Cup):||120°F (49°C)|
|Specific Gravity (H2O=1):||0.865–0.875|
|Evaporation Rate (Ether=1):||<1.0|
|α-Pinene (CAS No. 80-56-8):||40–55%|
|β-Pinene (CAS No. 127-91-3):||30–40%|
Use as a thinner for oil-based paints, varnishes and mediums. Use to dissolve natural resins, such as mastic, dammar, Venice turpentine and Canada balsam, for making varnishes and mediums. Unexcelled as a thinner of oil-based paints.
Directions: Use turpentine to dissolve paint, varnish or mediums, then wash off the residue in warm soapy water, and finally rinse in clean water.
Ecological Impact: Turpentine is a natural product and its individual components are entirely biodegradable within a few days depending on the dilution degree, temperature, air supply and bacteria present.
WARNING! Contains terpene hydrocarbons. Flammable liquid and vapor. Harmful if swallowed, inhaled or absorbed through skin. Affects central nervous system. Causes irritation to skin, eyes and respiratory tract. Overexposure may result in nausea, headache, dizziness, confusion or instability.
PRECAUTIONS: Avoid prolonged contact with skin and breathing vapors. Keep away from eyes. Keep away from heat or flame. Use exhaust fan to assure adequate cross ventilation. KEEP OUT OF REACH OF CHILDREN.
FIRST AID: If swallowed do not induce vomiting, give edible oil to drink and get prompt medical attention. If eye irritation occurs, rinse with water for at least 15 minutes. If irritation persists, seek medical care. If skin irritation occurs, wash affected area with copious amounts of soap and water. If symptoms of overexposure occur, move to fresh air. If symptoms persist, see a physician. For further health information contact a local poison control center or call 1-800-445-7067.
COMBUSTIBLE LIQUID! United States Department of Transportation (DOT) shipping regulations requires that this item can only be shipped surface or ground. No international shipments and no air shipments are allowed. Combustible liquids are shipped by UPS Ground only, allow 5–10 business days. Due to DOT regulations, all combustible items must be shipped in separate boxes. Combustible items cannot be returned and will ship only to the 48 contiguous states. Multiple quantities of the same item must ship in separate containers. No combustible shipments to PO boxes. Call customer service with questions at 888-361-5900.
Note: Does not quality for the Natural Pigments free shipping promotions.