Univolt N 61 B

Electrical Insulating Oil

  • 安全数据表 (MSDS)
  • 产品数据表 (PDS)

Univolt™ N 61B is a good quality, fully inhibited transformer oil designed to meet the operating requirements of transformers and other oil filled electrical equipment. It meets the requirements of ASTM D 3487 Type II fluid, providing good performance in transformers, circuit breakers, switches, and capacitors.






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产品数据表 (PDS)
安全数据表 (MSDS)

Features and Benefits

Univolt N 61B is manufactured from carefully selected base stocks favored by the domestic power industry under stringently controlled manufacturing conditions. It meets the demanding requirements of the ANSI/ASTM D 3487 specification for electrical insulating oils.

  • Good Oxidation stability helps to extend lubricant service life and reduce maintenance costs
  • Great low temperature performance helps enable easy low temperature start up
  • Industry proven insulating properties



  • Oil filled electrical equipment such as transformers, load tap chargers, switches, circuit breakers, high voltage capacitors, and lamp ballasts
  • Some EDM (electrical discharge machines) as a coolant and insulator between charged electrodes
  • Applications where a low viscosity mineral oil providing good low temperature properties is required


Specifications and Approvals

Univolt N 61 B meets or exceed the requirements of: 
ASTM D 3487 Type II (2000) 


Typical Properties

Univolt N 61 B 
Viscosity, cSt, 40C, ASTM D 4459.2
Viscosity, cSt, 100C, ASTM D 4452.3
Aniline Point, C, ASTM D 61175.8
Color, ASTM D 1500L0.5
Corrosive Sulfur, ASTM D 1275noncorrosive
Pour Point, C, ASTM D 97-50
Flash Point, C, ASTM D 92151
Specific Gravity, D 12980.91
Interfacial Tension, 25C, dynes/cm, ASTM D 97148
Neutralization Number, mg KOH/g, ASTM D 9740.013
Water, ppm, ASTM D 153335
Dielectric Strength, kV, ASTM D 87730


Health and Safety

Refer to the Material Safety Data Sheet for safety and health information.
Material Safety Data Sheets can be obtained from your local distributor; via the Internet on http://www.msds.exxonmobil.com.