| PETRO
CHEMICALS |
| TRANSFORMER
OIL |
| Indo
Gulf Group's offers
Transformer Oil manufactured
from imported Base Stocks and
possessing following advantageous
features to make it suitable
for use as an electrical insulating
& good heat transfer medium
and quenching medium for power
and distribution electrical
apparatus such as Power Transformers,
Capacitors, Switch Gears, Circuit
Breakers and allied equipments. |
| Characteristics |
Specifications |
| Appearance |
:The
oil shall be Clear and Transparent
and free from suspended
matter or sediments |
| Density
at 29.6oC Max. g/cm |
:
0.89 |
| Kinematic
Viscosity at 27oC
Max. CST |
:
27 |
| interfacial
Tension at 27oC Min. |
:
0.04 |
| Flash
Point (PMCC) Min |
:
140oc |
| Pour
Point Max. |
:
-6oc |
| Neutralisation
Value |
|
| a)
Total Acidity Max.mg KOH/gm |
:
0.03 |
| b)
Inorganic Acidity / Alkalinitty |
:
Nil |
| Corrosive
sulphur |
:
Non - Corrosive |
| Electric
Strength (Breakdown voltage) |
|
| a)
New Unifiltered Oil, Min |
:
30 KV |
| b)
After Filtration, Min |
:
60 KV |
| Dielectric
dissipation Factor (Tan delta)
at 90oc Max. |
:
0.002 |
| Specific
Resistance (Resistivity) |
|
| a)
At 90oC Min. |
:
35 x 1012 ohm - cm |
| b)
At 27oC Min |
:
1500 x 1012 ohm -
cm |
| Oxidation
Stability |
|
| a)
Neutralisation Value after Oxidation
Max. |
:
0.40 mg KOH / gm |
| b)Total
Sludge after oxidation Max.
Ageing Characteristics after
accelerated ageing (Open beaker
method with copper catalyst) |
:
0.10 percent by weight |
| a)
Specific Resistance (Resistivity) |
|
| 1.
At 20oc Min. |
:
2.0 x 1012 ohm -
cms |
| 2.
At 90oc Min. |
:
0.2 x 1012 ohm -
cms |
| b)
Dielectric Dissipation Factor
(Tan delta) At 90oc
Max. |
:
0.2 |
| c)
Total Acidity Max. |
:
0.05 mg of KOH / gm |
| d)
Total Sludge Value Max. |
:
0.05% |
| Presence
of Oxidation Inhibitor |
:
The oil shall not contain antioxidant
additives |
| Water
Content max. |
:
50 ppm |
| S.
K. Value |
:
Under consideration |