of multigrade (10W30) oils
Discussion on why the different tests have different cooling rates. Rapid cooling to the same temperature allows less gelling than a long, slow cool...
To prove the possibility, they made a bench top lube with a basestock pour point of +25F for their testing.
Interesting comments around mid paper on VII and PPDs, their behaviour and interaction...in short, statements that appear "self evident" fall down when VIIs and PPDs interact.
Discussion on why the different tests have different cooling rates. Rapid cooling to the same temperature allows less gelling than a long, slow cool...
To prove the possibility, they made a bench top lube with a basestock pour point of +25F for their testing.
Interesting comments around mid paper on VII and PPDs, their behaviour and interaction...in short, statements that appear "self evident" fall down when VIIs and PPDs interact.