SRF - Bitumen

Characteristics	VG-10	VG-20	VG-30	VG-40
Absolute Viscosity, 60°C, poises, min	800	1600	2400	3200
Kinematic Viscosity, 135°C, CST, min	250	300	350	400
Flash Point, C, min	220	220	220	220
Solubility in trichloroethylene, %, min	99.0	99.0	99.0	99.0
Penetration at 25°C	80-100	60-80	50-70	40-60
Softening point, C, min	40	45	47	50
Tests on residue from thin film over test / RTFOT :
Viscosity ratio at 60°C, max	4.0	4.0	4.0	4.0
Ductility at 25°C, cm, min,after thin film over test	75	50	40	25

Specification	40/50	60/70	80/100	100/120	Method
Specific gravity at 25/25 °C	1.01-1.05	1.01-1.05	1.00 - 1.05	1.01-1.04	D-70
Penetration at 25°C	40/50	60/70	85/100	100/120	D-5
Softening Point (°C)	52/60	49/56	45/52	42/49	D-36
Ductility at 25 °C	100 min	100 min	100 min	100 min	D-113
Loss on Heating (PCT WT)	0.2 max	0.2 max	-	-	D-113
Loss on Heating (PCT WT)	0.5 max	0.5 max	0.5 max	0.2 max	D-6
Drop in Penetration after Heating (PCT)	20 max	20 max	20 max	20 max	D-5
Flash Point (°C)	250 min	250 min	225 min	250 min	D-92
Solubility in Trichloroethylene	99.5 max	99.5 max	99.5 max	99.5 max	D-4
Organic matter insoluble in CS2 PCT. WT	-	-	0.2 max	0.2 max	D-4
Spot Test	Negative	Negative	Negative	Negative	A.S.H.O.T 102