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Petroleum products are materials derived from crude oil as it is processed in oil refineries. Unlike petrochemicals, which are a collection of well-defined usually pure organic compounds, petroleum products are complex mixtures. [1] Most petroleum is converted into petroleum products, which include several classes of fuels. [2]
Paraffin wax (or petroleum wax) is a soft colorless solid derived from petroleum, coal, or oil shale that consists of a mixture of hydrocarbon molecules containing between 20 and 40 carbon atoms. It is solid at room temperature and begins to melt above approximately 37 °C (99 °F), [ 2 ] and its boiling point is above 370 °C (698 °F). [ 2 ]
Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar , or from plants, as in pine tar .
Petroleum jelly, also known by the product name Vaseline, is a household staple, especially among families with young children. We all know about its anti-chaffing properties, but the slick ...
Tar paint can also be toned with various pigments, producing translucent colors and preserving the wood texture. Tar was once used for public humiliation , known as tarring and feathering . By pouring hot wood tar onto somebody's bare skin and waiting for it to cool, they would remain stuck in one position.
Spray paint is a popular medium among graffiti artists due to its portability, permanence, and speed. The product's presence in the United States goes back to 1949, when it was designed with the purpose of painting radiators with aluminum paint. [6] Speed, portability, and permanence make aerosol paint a common graffiti medium. In the late ...
Tung oil is a common traditional wood finish, used typically for two main properties: first, it is a naturally derived substance. Second, after it cures (5 to 30 days, depending on weather/temperature), the result is a very hard and easily repaired finish, so it is used on boat decks and now on floors.
The binder for casein paint is made by dissolving casein in an alkali, usually lime, ammonium carbonate, or borax. Casein itself is precipitated from milk by the action of an acid or the enzyme rennet. Lime casein works well on porous surfaces, even outdoors, though it has a short shelf life and must be used with pigments that are balanced ...