Product data from Castrol Australia for Edge 10W-30 is below but the Castrol Magnatec Stop-Start 10W-30 at the bottom of this post looks better again.
http://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/2EBDA32304B8CC7B80257EEA001F77E3/$File/BPXE-A452EN.pdf
You will need to copy link and paste into google and then search.
If you can't find it see data copied below.
Typical Characteristics
Name Method Units Castrol EDGE 10W-30
Viscosity, Kinematic 100C ASTM D445 mm²/s 10.47
Viscosity, CCS -25C (10W) ASTM D5293 mPa.s (cP) 5122
Viscosity, Kinematic 40C ASTM D445 mm²/s 66.2
Viscosity Index ASTM D2270 None 146
Pour Point ASTM D97 °C -36
Flash Point, PMCC ASTM D93 °C 204
Ash, Sulphated ASTM D874 % wt 1.16
Product Performance Claims
ACEA A5/B5
API SN
ILSAC GF5
CF Performance
Castrol EDGE 10W-30
26 Oct 2015
Castrol Australia Pty Limited - ABN 87 008 459 407 – 132 McCredie Road, Guildford NSW 2161, Australia
Technical Advice Line 1300 557 998 Customer Service 1300 554 890
www.castrol.com.au www.msds.castrol.com.au
Castrol Magnatec Stop-Start 10W-30
http://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/607E89EE1F9B44EA80257C3800256160/$File/BPXE-9E7LMW.pdf
Typical Characteristics
Name Method Units Castrol Magnatec Stop-Start 10W-30
Density @ 15C, Relative ASTM D4052 g/ml 0.869
Viscosity, Kinematic 100C ASTM D445 mm²/s 12.4
Viscosity, CCS -25C (10W) ASTM D5293 mPa.s (cP) 6640
Viscosity, Kinematic 40°C cSt ASTM D445 cSt 84
Viscosity Index ASTM D2270 None 142
Pour Point ASTM D97 °C -39
Flash Point, PMCC ASTM D93 °C 202.5
Ash, Sulphated ASTM D874 % wt 1.22
Product Performance Claims
ACEA A3/B3, A3/B4
API SN
Castrol Magnatec Stop-Start 10W-30
05 Dec 2013