Electric insulating oils

Details Electric insulating oils Electric insulating oils

1985-06-11

1986-04-22

Metz, Andrew H.

Compositions

Fluent dielectric

208 14, 208143, 585 66, H01B 322

Patent

active

045841292

ABSTRACT:
This invention relates to electric insulating oils consisting of mineral oils having boiling point of 200.degree. C. or higher, preferably from 250.degree. to 450.degree. C., and having a viscosity of from 2 to 500 cst (at 40.degree. C.), pour point of -35.degree. C. or below, a sulfur content of 5 ppm or less and an aromatic hydrocarbon content (% C.sub.A) of 5% or less.

REFERENCES:
patent: 3732154 (1973-05-01), Mills et al.
patent: 3849288 (1974-11-01), Milstein et al.
patent: 4069165 (1978-01-01), Masunaga et al.
patent: 4070297 (1978-01-01), Masunaga et al.
patent: 4196408 (1980-04-01), Link
patent: 4324933 (1982-04-01), Kimura et al.
patent: 4442027 (1984-04-01), Sato et al.
patent: 4542246 (1985-09-01), Matsunaga et al.

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