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美孚Univolt N 61 B

美孚Univolt N 61 B
UNIVOLT™ N 61 B
Electrical Insulating Oil
Product Description
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.
 
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
 
Applications
  • 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
 
Typical Properties
Univolt N 61 B
 
Viscosity, cSt, 40C, ASTM D 445
9.2
Viscosity, cSt, 100C, ASTM D 445
2.3
Aniline Point, C, ASTM D 611
75.8
Color, ASTM D 1500
L0.5
Corrosive Sulfur, ASTM D 1275
noncorrosive
Pour Point, C, ASTM D 97
-50
Flash Point, C, ASTM D 92
151
Specific Gravity, D 1298
0.91
Interfacial Tension, 25C, dynes/cm, ASTM D 971
48
Neutralization Number, mg KOH/g, ASTM D 974
0.013
Water, ppm, ASTM D 1533
35
Dielectric Strength, kV, ASTM D 877
30


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