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TRANSFORMER OILS |
NEW INSULATING OIL |
• Product Description
New Insulating oil-A, is a premium grade unhibited Mineral Insutating Oil for Transformers and Switchgears |
Test Description |
Test Method |
Specification Limits |
Typical Values |
Appearance |
BS 148-1998 |
Transparent clear, bright, odourless liquid free from suspended
impurities |
Transparent clear, bright, odourless liquid free from suspended
impurities |
Colour |
ASTM D 1500 |
L 0.5 |
0.5 |
kinematic Viscosity, mm²/S (Max) |
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At 40°C |
ISO 3104 |
11 |
10.8 |
At -30°C |
ISO 3104 |
1800 |
298 |
At -40°C |
IEC - 61868 |
- |
- |
Flash Point °C,(Min),PMCC |
ISO - 3719 |
135 |
150 |
Pour Point °C |
ISO - 30016 |
<-45 |
-45 |
Density Kg/dm³, @ 20°C (Max) |
BS EN ISO 3675 |
0.895 |
0.825 |
Neutralisation Value mg KOH/g (Max) |
IEC - 62021 - 1 |
0.01 |
Nil |
Interfacial Tension @25°C |
ISO - 6295 |
0.04 Max |
0.045 |
Corrosive Sulphur |
DIN 51353/BS 5680 |
Non Corrosive |
Non Corrosive |
Water Content, Max mg/kg |
IEC 60814 |
- |
- |
a) Bulk |
… |
20 |
14 |
b) Drum |
… |
30 |
22 |
Anti-Oxidant Additives (Sub Clause 2.5) Oxidation Stability, 164 h
|
IEC 60666/BS 5984 |
Not detectable |
Not detectable |
Total Acidity, mg KOH/g of oil (MAX) sludge, % by mass (Max) DDF@90°
|
BS EN 61125: 1993 (METHOD C) IEC - 60247 |
1.2
0.8
0.5 |
1.0
0.68
0.36 |
Break Down Voltage, MIN |
BS EN 60156 |
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As Delivered (Kv), min |
… |
30 |
50 |
After treatment (kv), min |
… |
70 |
70 |
Dilectric Dissipation factor at 90°C and 40 to 60 Hz (Max) |
IEC - 60247/61620 |
0.005 |
0.0005 |
Gassing tendency at 50 Hz after 120 Min, mm³/min Method A (max) |
BS 5797/IEC-60628-A |
+8 |
+1 |
Total PCB content mg/Kg |
BS EN 61619 |
Not detectable |
Not detectable |
Total Furans mg/kg, Max |
BS EN 61198 |
1.00 |
Nil |
polycyclic Aromatics % mass, max |
BS 2000 (P:346) |
3.00 |
0.5 |
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Our products conforms to
IEC60296:2003, BS 148:1998 Class IIA and ASTM D 3487 Type II requirements
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