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Mineral Base Stocks

Typical Inspection Properties of Hydrofinished HVI Stocks

	Specific Gravity (60° F)	Sulfur (%wt)	VI	Kinematic Viscosity		Pour Point (°C)	Flash Point (°C)
	Specific Gravity (60° F)	Sulfur (%wt)	VI	At 40°C	At 100°C	Pour Point (°C)	Flash Point (°C)
90 Neutral	0.860	0.005	92	17.40	3.68	-18	190
100 Neutral	0.860	0.065	101	20.39	4.11	-18	192
100 Neutral	0.860	0.000	125	20.57	4.49	-24	200
200 Neutral	0.872	0.096	99	40.74	6.23	-15	226
350 Neutral	0.877	0.126	97	65.59	8.39	-12	252
650 Neutral	0.882	0.155	96	117.90	12.43	-12	272
150 Bright Stock	0.895	0.263	95	438.00	29.46	-9	302

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Do You Know?

Ancient Uses of Petroleum

Humans have been using petroleum products for a long time. Asphalt was used in ancient Babylon as mortar for buildings and for waterproofing ships. Tar was first used in 8th century Baghdad to pave roads. Crude forms of kerosene was used to light lamps.

During the reign of the Byzantine Empire, greek fire – an incendiary weapon which exact formula was long lost to history but thought to contain various petroleum products – was a formidable weapon because pouring water on it only intensified its flame.