Same post, wrapped:
Here are some differences from the MSDS on regular 0w-30 and SLX:
Castrol Syntec Full Synthetic SAE 0W-30 Motor Oil
SECTION VI: PHYSICAL/CHEMICAL CHARACTERISTICS
Boiling Point: ND
Specific Gravity Water=1: 0.86
Vapor Pressure mm.Hg. @ 25 C: ND
Vapor Density Air=1: ND
Percent Volatiles: Negligible
Evaporation Rate BuAc=1: < 0.1
Solubility in Water: Negligible
Freezing Point: -22F to -40F -30C to -40C
pH-Value: NA
Viscosity @ 100C, cSt.: 10 typ.
Odor Threshold: NA
Coefficient of Water/Oil Distribution: ND
Appearance, Odor & Physical State: Clear, amber liquid; mild petroleum odor
Castrol Syntec SLX Motor Oil
SECTION VI: PHYSICAL/CHEMICAL CHARACTERISTICS
Boiling Point: Above 300 C
Specific Gravity Water=1: 0.854
Vapor Pressure mm.Hg. @ 2 0 C: <0.1
Vapor Density Air=1: ND
Percent Volatiles: Negligible
Evaporation Rate BuAc=1: < 0.1
Solubility in Water: Negligible
Freezing Point: -66C
pH-Value: NA
Viscosity @ 100C, mm2/sec .: 12 typ.
Odor Threshold: NA
Coefficient of Water/Oil Distribution: ND
Appearance, Odor & Physical State: Clear, amber liquid; mild petroleum odor