Calumet CALTRAN - Electrical Insulating Oils

Calumet has more than 25 years of experience producing highly refined, clean and stable electrical insulating fluids. The CALTRAN line of naphthenic transformer oils is a portfolio of customized products, formulated to fully meet specific global specifications – thus providing customers flexibility in choosing the transformer oils that meet their specific requirements. Calumet is a long-standing participant in the Annual DOBLE Survey on transformer oil.