ELECTRICAL INSULATING OIL

摘要

insulation materials. SUBSTANCE: lubricating oil designed for insulation of electromotors of immersion pumps operated at oil fields contains 0.1-20 wt % of polyisobutylene with molecular weight 1000-5000 and 0.1-0.5 wt % of phenol- or amine-type antioxidant. Oil is prepared from products of hydrocatalytic processing of paraffin-containing feedstock. EFFECT: increased insulation characteristics and oxidation resistance. 1 tbl