Transformer Oil – Drums (55 Gallon)

Tulstar’s transformer oil is a high-purity, severely hydrotreated naphthenic mineral oil designed for electrical insulation and thermal stability. Ideal for smaller or field-fill applications, each 55-gallon drum is sealed, certified PCB-free, and meets or exceeds ASTM D3487 standards. Features: Non-PCB certified and corrosive sulfur–free Excellent oxidation stability and dielectric strength Meets ASTM D3487 and IEC 60296 specifications Trusted for 35+ years in transformer servicing Available Services: Just-in-time delivery Used oil purchasing and disposal Export support Packaging: 55-gallon drums (4 per pallet)