. Author manuscript; available in PMC: 2023 May 4.

Published in final edited form as: Min Metall Explor. 2022 May 4;39(3):961–968. doi: 10.1007/s42461-022-00609-w

Table 2.

Liquid fuel properties

Liquid fuel type	Density (g/cm³)	Flash point (°C)	Auto-ignition point (°C)
Engine oil	0.87	218	260–371 [5, 13]
Diesel fuel	0.85	52–96	257 [5, 13]
Hydraulic fluid	0.88	236	365 [11]

Diesel fuel: Diesel 2-D

Engine oil: SAE grade 10 W-30

Hydraulic fluid: SAE grade 30