What common name is given to the lowest temperature at which a material gives off enough flammable vapour for it to ignite?
HAZMAT Class 3 Flammable liquids that is intentionally heated and offered for transportation or transported at or above its flash point in a bulk packaging. The following exceptions apply: Flash Point: The flash point is the minimum temperature at which a liquid gives off vapor within a test vessel in sufficient concentration to form an ignitable mixture with air near the surface of the liquid. A list of Class 3 hazardous materials is available online. HAZMAT Class 3 Flammable liquids A flammable liquid is a liquid with flash point of not more than 60.5 °C (141 °F), or any material in a liquid phase with
Lower flammable limit Lower flammable limit Lower flammability limit (LFL), usually expressed in volume per cent, is the lower end of the concentration range over which a flammable mixture of gas or vapour in air can be ignited at a given temperature and pressure. The flammability range is delineated by the upper and lower flammability limits. Outside this range of air/vapor mixtures, the mixture can not be ignited (unless the temperature and pressure are increased). The LFL decreases with increasing temperature; thus, a mixture that is below its LFL at a given temperature may be ignitable if heated sufficiently. For liquids, the LFL