This is my own spread sheet I have been compiling of Mobil 1 Oils and their additives:
This first pic is a guide of what all the components mean.
This is the various oils and viscosities compared:
Rotella T - MAGNESIUM Should be 1 not 1099
This first pic is a guide of what all the components mean.

This is the various oils and viscosities compared:

Rotella T - MAGNESIUM Should be 1 not 1099