I forget. Sad, I know.What brand was showing the carbon.
I just mixed up a couple of 5 gallon cans or so and tossed the container and voila! History. Rejected data. Done. Oops. If it comes back to me I will post it here. I kinda want to know myself.
could have been yamalube, castrol, or maybe something else. I was using up "old stock"...