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Possible examples for insulating oils: ARAL: Isolan, Shell: Diala , further producers: ESSO, BP, etc. |
Our example: Shell Oil 4610
Properties:
Shell Oel 4610 is a specially refined naphthenic insulating oil with high oxidation stability, good electrical and excellent low-temperature properties.
Application:
Shell Oil 4610 is recommended for use in transformers, rectifiers and switchgears.
Typical Data:
Shell Oel 4610 meets the following specifications:
* DIN 57 370-I/VDE 0370, Part 1, Class A
* IEC 296, Class I and II
* BS 148: 1972 |
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Requirements of DIN 57370-1/VDE 0370 Part I, Class A |
Shell Oil 4610 |
| Appearance |
DIN 57370 |
clear, free of solids |
complies |
Density at
15°C kg/m²
-30°C kg/m² |
DIN 51757
DIN 51757 |
< 898
< 895 |
877
874 |
Kinematic Viscosity
at 20°C mm²/s
at -30°C mm²/s |
DIN 51562-1 |
< 25
< 1800 |
18
1000 |
| Flash Point P.M. °C |
DIN EN 22719 |
< 130 |
142 |
| Neutralisation value mg KOH/g |
DIN 51 558-2 |
< 0,03 |
< 0,03 |
| Corrosive sulphur |
DIN 51 353 |
non-corrosive |
non-corrosive |
Breakdown voltage kV
(after treatment) |
DIN 57 370 |
> 50 |
> 60 |
| Dielectric dissipation at 90°C (after treatment) |
DIN 57 370 |
< 0,005 |
0,002 |
Oxidation stability Baader (140h/110°C)
Saponification value mg KOH/g
Sludge content % m
Dieelectr. dissip. factor at 90°C |
DIN 51 554 |
< 0,60
< 0,05
0,180 |
0,2
0,02
0,02 |
Oxidation stability (164h/120°C)
Neutralisation value mg KOH/g
Sludge content % m |
IEC 1125 C |
< 0,30
< 0,06 |
0,10
0,03 |
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