Residual oils (petroleum), oxidized A complex combination of organic compounds, predominantly high molecular weight carboxylic acids, obtained by the air oxidation of a solvent deasphalted residual oil.

Residual oils (petroleum) Heavy Fuel oil [A complex combination of hydrocarbons, sulfur compounds and metal-containing organic compounds obtained as the residue from refinery fractionation cracking processes. It produces a finished oil with a viscosity above 2cSt. at 100 °C.] A complex combination of hydrocarbons, sulfur compounds and metal-containing organic compounds obtained as the residue from refinery fractionation cracking processes. It produces a finished oil with a viscosity above 2cSt. at 100°C. 649-045-00-3

Residual oils (petroleum), solvent deasphalted Baseoil - unspecified [A complex combination of hydrocarbons obtained as the solvent soluble fraction from C 3 -C 4 solvent deasphalting of a residuum. It consists of hydrocarbons having carbon numbers predominantly higher than C 25 and boiling above approximately 400 °C (752 °F).] A complex combination of hydrocarbons obtained as the solvent soluble fraction from C3 - C4 solvent deasphalting of a residuum. It consists of hydrocarbons having carbon numbers predominantly higher than C25 and boiling above approximately 400°C (752°F). 649-456-00-8

Residual oils (petroleum,) solvent-refined Baseoil - unspecified [A complex combination by hydrocarbons obtained as the solvent insoluble fraction from solvent refining of a residuum using a polar organic solvent such as phenol or furfural. It consists of hydrocarbons having carbon numbers predominantly higher than C 25 and boiling above approximately 400 °C (752 °F).] A complex combination of hydrocarbons obtained as the solvent insoluble fraction from solvent refining of a residuum using a polar organic solvent such as phenol or furfural. It consists of hydrocarbons having carbon numbers predominantly higher than C25 and boiling above approximately 400°C (752°F). 649-459-00-4

Residual oils (petroleum), hydrotreated Baseoil - unspecified [A complex combination of hydrocarbons obtained by treating a petroleum fraction with hydrogen in the presence of a catalyst. It consists of hydrocarbons having carbon numbers predominantly greater than C 25 and boiling above approximately 400 °C (752 °F).] A complex combination of hydrocarbons obtained by treating a petroleum fraction with hydrogen in the presence of a catalyst. It consists of hydrocarbons having carbon numbers predominantly greater than C25 and boiling above approximately 400°C (752°F). 649-470-00-4

Residual oils (petroleum), carbon-treated solvent-dewaxed Baseoil - unspecified [A complex combination of hydrocarbons obtained by the treatment of solvent-dewaxed petroleum residual oils with activated charcoal for the removal of trace polar constituents and impurities.] A complex combination of hydrocarbons obtained by the treatment of solvent-dewaxed petroleum residual oils with activated charcoal for the removal of trace polar constituents and impurities. 649-525-00-2