VG40

Viscosity Grade Analysis (VG40)

Property	Unit	Requirement	Test method
Penetration @ 25 ᵒC	mm/10	40-60	ASTM D5
Softening point	ᵒC, min.	50	ASTM D36
Ductility @ 25 ᵒC	cm, min.	25	ASTM D113
Flash point	ᵒC, min.	220	ASTM D92
Solubility in Trichloroethylene	Wt %, min.	99.0	ASTM D2042
Viscosity ratio at 60 ᴼC	–	4.0, max.	IS 1206(Part 2)
Absolute Viscosity @ 60 ᵒC	P, min.	3200	ASTM D2171
Kinematic Viscosity @ 135 ᵒC	cst, min.	400	ASTM D2170