12 1 HAZARDOUS MATERIALS Definition Flash point: The temperature at which enough vapour escapes from a liquid that an ignitable mixture is created with the ambient air (EN 1127-1). Classification and characteristics of flammable liquids Classification and labelling of flammable liquids depends on the flash point of the liquid. 1.3 CLASSIFICATION, TERMS AND DEFINITIONS OF FLAMMABLE LIQUIDS FLASH POINT outside temperatures Danger! no danger above below lean mixture FLAMMABLE LIQUIDS Liquids with a flash point equal to or greater than 23 °C (73.4 °F) and less than or equal to 60 °C (140 °F) and which support combustion when tested at 60 °C (140 °F). HIGHLY FLAMMABLE LIQUIDS Liquids with a flash point lower than 23 °C (73.4 °F) and with a boiling point higher than 35 °C (95 °F). EXTREMELY FLAMMABLE LIQUIDS Liquids with a flash point lower than 0 °C (32 °F) and with a boiling point lower than or equal to 35 °C (95 °F). Sample
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