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There is a 10 parts per million (ppm) limit for lubricant base oils (e.g., mineral oil) that can be present in food if incidental contact occurs. To get new food contact substances (FCSs) approved by the FDA, manufacturers must either submit a Food Contact Notification (FCN) filing or apply for a Threshold of Regulation (TOR) exemption.
Typically lubricants contain 90% base oil (most often petroleum fractions, called mineral oils) and less than 10% additives. Vegetable oils or synthetic liquids such as hydrogenated polyolefins , esters , silicones , fluorocarbons and many others are sometimes used as base oils.
Vegetable oils such as castor oil are typically unattractive alternatives to petroleum-derived lubricants because of their poor oxidative stability. [47] [48] Castor oil has better low-temperature viscosity properties and high-temperature lubrication than most vegetable oils, making it useful as a lubricant in jet, diesel, and racing engines. [49]
3. Lubricating oils. Base oils are needed to manufacture products such as greases and industrial lubricants. Naphthenic base oils are particularly suited as metalworking fluids. The main functions of the naphthenic oil in this case are cooling and lubrication, providing a balance between the two.
Also, motor oils and lubricants formulated with biosynthetic base oils can be recycled and re-refined with petroleum-based oils. [57] The U.S.-based company Green Earth Technologies manufactures a bio-based motor oil, called G-Oil, made from animal oils.
Calamodin oil or calamansi essential oil comes from a citrus tree in the Philippines extracted via cold press or steam distillation. Calamus oil Used in perfumery and formerly as a food additive; Camphor oil used in cosmetics and household cleaners. [4] Cannabis flower essential oil, used as a flavoring in foods, primarily candy and beverages ...
Sunflower seed and peppermint oils, fruit extracts and arginine (an amino acid that's popular as an oral treatment for erectile dysfunction) are found in this lubricating gel. For best results ...
Pine oil is an essential oil obtained from a variety of species of pine, particularly Pinus sylvestris. Typically, parts of the trees that are not used for lumber — stumps, etc. — are ground and subjected to steam distillation. [2] As of 1995, synthetic pine oil was the "biggest single turpentine derivative."