ASTM D6871-26

Detail information

Designation: ASTM D6871-26

Publication date: 01/06/2026

Pages: 4

Country: American technical standard

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Anotation

This specification covers a high fire point natural vegetable oil ester insulating fluid for use as a dielectric and cooling medium in new and existing power and distribution electrical apparatus such as transformers and attendant equipment. The physical property requirement including color, fire point, flash point, pour point, relative density, and viscosity shall be tested to meet the requirements prescribed. The electrical property requirements including dielectric breakdown voltage, dissipation factor, and gassing tendency shall be tested to meet the requirements prescribed. The chemical requirements including corrosive sulphur, neutralization number, PCB content, and water shall be tested to meet the requirements prescribed.


Keywords:
electrical insulating fluid, fire point, flammability, insulating fluid, natural ester,