Petroleum-Based Hydraulic Fluids and Flammability |
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| Authors: | George W. Mushrush Heather D. Willauer Jean L. Bailey John B. Hoover Frederick W. Williams |
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| Affiliation: | a Naval Research Laboratory, Navy Technology Center for Safety and Survivability, Washington, DC, USAb Department of Chemistry, George Mason University, Fairfax, Virginia, USA |
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| Abstract: | Hydraulic fluids for the most part are considered to be much less flammable than middle distillate fuels. Petroleum-based hydraulic fluids have high flash points, while water-based hydraulic fluids (because of their high water content) are definitely nonflammable. The major problem with water-based hydraulic fluids is corrosion. Petroleum-based fluids are much less corrosive and thus equipment lifetime is considerably increased. However, some petroleum-based hydraulic fluids have been observed to be a fire safety hazard in situations where high-pressure leaks can result in aerosol formation. These fire hazards cannot be adequately explained based solely on flash point considerations of the hydraulic fluids alone. |
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| Keywords: | hydraulic fluids flash point flammability aerosol |
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