Oil additives

chemical compounds decreasing the corrosion rate of a metal

thumb|right|250px|Dosage of defoamer A defoamer or an anti-foaming agent is a chemical additive that reduces and hinders the formation of foam in industrial process liquids. The terms anti-foam agent and defoamer are often used interchangeably. Strictly speaking, defoamers eliminate existing foam and anti-foamers prevent the formation of further foam. Commonly used agents are insoluble oils, polydimethylsiloxanes and other silicones, certain alcohols, stearates and glycols. The additive is used to prevent formation of foam or is added to break a foam already formed.

measure of how viscosity of a liquid changes with temperature

Xado () is a multinational chemical group with headquarters in Germany, the Netherlands, and Ukraine, manufacturing high-tech nano technology products and lubricants such as revitalizants, lubricants, oils, greases, aftermarket oil additives, fuel additives. == History == The company was founded in 1991 in Kharkiv, Ukraine. The name Xado was shortened from the Russian Kharkovskiy Dom ("Kharkiv house"). In 1998, the directors of the company patented the development of a revitalizant product, a metal treatment which has the ability to repair, restore and protect the mechanism against wear. The