This standard specifies the determination method of mineral oil content in triaryl phosphate ester fire-resistant fluids used in speed control system of turbine in power generation enterprises. This standard applies to the determination of mineral oil content in triaryl phosphate ester fire-resistant fluids. Other devices that use triaryl phosphate ester fire-resistant fluids can also be referenced.
IN_DEVELOPMENT
ISO/DIS 25173
40.20
DIS ballot initiated: 12 weeks
Jul 8, 2026
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