Perfluoropivalonitrile dielectric gas

2.5× dielectric strength of SF6

Symmetric molecular design boosts dielectric strength 20% beyond C4F7N, with a 40-year atmospheric lifetime and GWP only 1/8 that of SF6, balancing eco-friendliness and insulation.

Hu, Xiaoyi · Mi, Zhang · Hou, Hua · Wang, Baoshan

ACS Sustainable Chemistry & Engineering 2026

Specifications

SF
{'zh': '2.5', 'en': ''} 倍

Advantages

About 20% improvement over C4F7N

Atmospheric lifetime estimated at 40 years

Global warming potential of 2979, only one-eighth of SF6