| abstract |
There is provided an electrically insulating oil composition comprising heavy reforming oil as a gas evolution inhibitor, which has an excellent gas evolution tendency. In one embodiment, the composition exhibits a gas generating performance of less than 30 μL per minute as measured according to ASTM D2300-00. In a second embodiment, the composition exhibits a gas generating performance of up to 0 μL per minute. In a third embodiment, the composition exhibits a low negative gas evolution performance of less than -70 μL per minute. |