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EC number: 265-058-3
CAS number: 64741-57-7
A complex combination of hydrocarbons produced by the vacuum distillation of the residuum from atmospheric distillation of crude oil. It consists of hydrocarbons having carbon numbers predominantly in the range of C20 through C50 and boiling in the range of approximately 350°C to 600°C (662°F to 1112°F). This stream is likely to contain 5 wt. % or more of 4- to 6-membered condensed ring aromatic hydrocarbons.
≥3 mm²/s (static) at 100°C
The viscosity for heavy fuel oils is generally ≥3 mm2/s at 100°C. A static viscosity value of 6.0 to 55.0 mm2/s at 100°C was reported for heavy fuel oil grades based on fuel specification according to ISO 3104 Determination of kinematic viscosity and calculation of dynamic viscosity method. The result (CONCAWE, 1998) is considered to be reliable and has been selected as key study.
Supporting data indicate that the viscosity of heavy fuel oils ranges from 3.6 to 396 mm²/s (static) at 100°C (CONCAWE, 2010a).
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