Marine dispersants

FINASOL® OSR

The products in the FINASOL® OSR range are marine dispersants used to control hydrocarbon pollution at sea.

Marine dispersants transform the hydrocarbon layer into a series of fine droplets, which greatly accelerates its natural biodegradation by bacteria and micro-organisms. They are applied by spraying.

The use of marine dispersants at sea prevents the hydrocarbon layer from reaching the coast, pushed by the wind, which provides the following two key advantages:

  • reduction of environmental impact,
  • reduction of the potentially huge economic cost incurred.

TOTAL is particularly committed to developing high-performance products offering both superior dispersion efficiency and very good environmental qualities.
FINASOL® OSR products are so-called 3rd-generation concentrated marine dispersants. They are one of the best dispersants on the market. They are already approved in many countries and have been used throughout the world for more than 20 years.

The range currently comprises three products:

  • FINASOL® OSR 52: the only marine dispersant in the world to be approved by the 3 most renowned bodies, the EPA (USA), the DEFRA (UK) and the CEDRE (FR).
  • FINASOL® OSR 51: a dispersant that has been extensively used in many countries.
  • FINASOL® OSR 62: a new product with a very low “ecotox” impact, approved by the CEDRE (FR).


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