Definition of Flammable liquid:
Liquid having a flash point below 37.8°C (100°F) at a vapor pressure less than 60 pounds per square inch (PSI). Mixture of liquids with a component whose flash point is higher than 37.8°C, and which makes up 99 percent or higher of the total volume of the mixture, is not considered a flammable liquid. See also combustible liquid.
Meaning of Flammable liquid & Flammable liquid Definition