Transformer Oils – 5 Gallon Pail

Tulstar’s premium transformer oils (T-Oils) are formulated for maximum dielectric strength, oxidation stability, and heat transfer efficiency in electrical transformers and power distribution equipment. Each 5-gallon pail is pre-filtered and tested to ASTM standards, ensuring optimal performance and long-term reliability for industrial and utility applications. These oils are suitable for use in: Distribution and power transformers Oil-filled circuit breakers Switchgear and load tap changers Electrical testing environments Key Features Dielectric Strength: Exceeds 35 kV (ASTM D877) Moisture Content: ≤ 35 ppm (ASTM D1533) Low Pour Point: Reliable in cold-weather operation High Oxidation Resistance: Extended fluid life and reduced sludge formation Non-corrosive: Meets ASTM D1275 corrosion test Compatibility: Compatible with most mineral-oil-based transformer oils Packaging Options 5-Gallon Pail (19 L) – Stocked Item 55-Gallon Drum – Available Upon Request Bulk Totes & Tanker Loads – Contact for Quote 🧾 Specifications (Typical) Property Method Typical Value Dielectric Breakdown Voltage ASTM D877 > 35 kV Viscosity @ 40°C ASTM D445 8.0 cSt Flash Point ASTM D92 145 °C Pour Point ASTM D97 −40 °C Neutralization Number ASTM D974 0.01 mg KOH/g 🛒 Ordering Information Price: Inquire for current quote Minimum Order: 1 Pail (5 gal) Shipping: Ships from Tulsa, OK – Hazmat-certified fulfillment available Lead Time: 1–3 business days for in-stock quantities Applications Power generation facilities Industrial manufacturing plants Transformer service & maintenance providers Utilities and electrical cooperatives Compliance & Quality Tulstar transformer oils meet or exceed: ASTM D3487 (Type I & II) IEC 60296 (Ed. 5) ISO 9001:2015 Quality Standards