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 |
|
