Fuel oil (heavy oil): Kinematic viscosity (50 ℃): 175; flash point (closed): 120; Freezing Point ℃: 25; Ash%: 0.25; Moisture%: 0.8; sulfur content%: 0.7; mechanical impurities%: 0.2 ; calorific value: 9700; density (20 ℃): 1.06