Substance Name: Residues (petroleum), vacuum, hydrocracked, vacuum distn. residues
- A complex combination of hydrocarbons produced when petroleum vacuum tower residuum is thermally cracked in the presence of hydrogen at high pressure, and then fractionated. This substance is the residual portion of that fractionation and consists of a complex combination of hydrocarbons having carbon numbers greater than C18 but primarily C32 and greater, and boiling in the range of 315 degrees C (599 degrees F) and higher but primarily 480 degrees C (896 degrees F) and higher. There will be 2.7-3.0 weight percent of sulfur compounds. The softening point is in the range of 75 degrees C to 85 degrees C (167 degrees F to 185 degrees F); the viscosity is in the range of 1000 - 2400 cSt at 135 degrees C (275 degrees F).
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- Residues (petroleum), vacuum, hydrocracked, vacuum distn. residues
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