ISO 1516:1981

Paints, varnishes, petroleum and related products — Flash/no flash test — Closed cup equilibrium method

Specifies a method to determiine if a flammable material, when maintained at a selected equilibrium temperature and under the conditions of the test, gives off sufficient flammable vapour at this temperature to cause ignition on application of an external source of flame applied in a standard manner. The method is suitable for use over the temperature range 5 to 65 C.