ISO 2592:2017 specifies a procedure for the determination of flash and fire points of petroleum products using the Cleveland open cup apparatus. It is applicable to petroleum products having open cup flash points between 79 °C and 400 °C, except fuel oils which are most commonly tested by the closed cup procedure described in ISO 2719.
GSO ISO 2592:2023 history
2023GSO ISO 2592:2023 Petroleum and related products — Determination of flash and fire points — Cleveland open cup method