Description

This article is from the Gasoline FAQ, by Bruce Hamilton with numerous contributions by others.

4.10.2 Vapour Lock Protection Classes

5 classes for vapour lock protection, according to location and/or season.
The limit for each class is a maximum Vapour-Liquid ratio of 20 at one of
the specified testing temperatures of 41, 47, 51, 56, 60C.

Continue to:

• prev: 4.10.1 Vapour Pressure and Distillation Classes.
• Index
• next: 4.10.3 Antiknock Index ( aka (RON+MON)/2, "Pump Octane" )