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Characteristics
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Test
Methods
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As
per IS : 335
As ammended
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ASIAN
OIL New Insulating Oil
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Min.
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Max.
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1.
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Appearance
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A
representative sample and transparent and free from suspended
matter or sediment
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The
oil shall be clear yellow in colour and free from suspended
matter or sediment
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Clear,
transparent, light
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2.
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Density
@ 29.5oC,
g/cm3
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IS
: 1448 (P-16)
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-
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0.89
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0.81
g/cm3
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3.
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Kinematic
Viscocity at 27oC,
cSt
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IS
: 1448 (P-25)
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-
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27
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12.4
cSt
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4.
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Interfacial
Tension, N/m at 27oC
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IS
: 6104
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0.04
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-
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0.051
N/m
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5.
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Flash
Point PMCC, oC
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IS
: 1448 (P-21)
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140
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-
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160o
C
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6.
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Pour
Point, oC
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IS
: 1448 (P-10)
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-
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-6
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-12oC
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7.
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Neutralisation
Value
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a)
Total Acidity, mg KOH/gm (Max)
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IS
: 1448 (P-2)
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-
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0.03
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0.0009
mg KOH/g
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b)
Inorganic acidity / alkalinity
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IS
: 1448 (P-2)
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-
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Nil
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Nil
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8.
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Corrosive
Sulphur
|
Annex
B
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Non
Corrosive
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Non
Corrosive
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9.
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Electrical
Strength (Breakdown Voltage) KV (rms)
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IS
6792
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a)
New Unfiltered Oil
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30
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-
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68
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b)
After filteration
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60
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-
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80
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10.
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Dielectric
Dissipation Factor, (Tan Delta) at 90oC
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IS
: 6262
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-
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0.002
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0.0003
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11.
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Specific
Resistance (resistivity) Ohm-cm
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IS
: 6103
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a)
At 90oC
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35
x 1012
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-
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300
x 1012
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a)
At 27oC
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1500
x1012
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-
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3200
x 1012
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12.
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Oxidation
Stability 164 Hours @ 100oC
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Annex
C
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a)
Neutralisation value after oxidation, mgKOH/gm
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-
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-
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0.40
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0.091
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b)
Total Sludge, wt% after oxidation
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-
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-
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0.10
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0.0087
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13.
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Accelerated
Ageging test 96 hrs @ 115°C (open Beaker Method)
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IS:
12177
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a)
Sp. resistance (resistivity) ohm-cm @ 27oC
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IS
:6103
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-
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2.5
x 1012
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61.41
x 1012
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b)
Sp. resistance (resistivity) ohm-cm @ 90oC
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IS
:6103
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2.5
x 1012
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6.87
x 1012
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c)
Dielectric Dissipation Factor @ 90oC
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IS:
6262
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-
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0.20
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0.034
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d)
Total Avctivity mg/KOH/gm
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IS
: 1448 (P-2)
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-
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0.05
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0.035
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e)
Total Sludge Value, % Wt.
|
Annex.
A of IS 12177
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-
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0.05
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0.006
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14.
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Presence
of oxidation inhibitior % wt
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IS
: 13631 (P-2)
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The
oil shall not contain antioxidant additives.
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Not
present
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15.
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Water
content ppm (max)
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IS
: 13567
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-
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50
ppm
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15
ppm
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16.
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S.K.
value, % (max)
|
Annex
D, IS: 335
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8
Max
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1
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Our
products conforms to
IEC-296
Class I, BS 148 Class I, VDEO 370, DIN 57370:1978 Class A, IEC 296
Class II, BS 148 Class II, ASTMD 3487 Type I
Note:
1.
The above data is indicated of recent average values only.Minor
variation which do not
affect
product performance of quality may be expected in manufacture.
2.
Specific Requirement shall be custom-made on request.
Test
Certificate of Transformer Oil As per B.S 148 Class I A
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Density at Temp 29 Deg
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0.830-825
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Appearance
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Clear & Free
From sediments
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Dissiption Factor of
the
Oil
a)
at room temperature
b)
at 90 degree celcius
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0,00000
0.00006
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Electric Break Down
Voltage
At room temp (27 deg) using 2.5mm gap (After
Filteration)
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60 K Volts
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Water Content by Karl Fisher Method
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25 PPM
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Nuetrillisation
Value
Total Acidity of the
Oil
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0.060 mg.KOH/gm
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Kniematic Viscosity at @27
degC
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15.82 Cst
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Pour Point Deg C
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-20 Deg C
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Flash Point Deg C
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181 degc
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Inter Facial Viscosity at 27degc
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0.04 N/M
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Corrosive Sulphur
Copper Strip
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Non Corrosive
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Specific Resistance
At 27 deg C
At 90 deg C
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12cm
1550x10
12cm
67x10
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Oxidation Stability
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0.2 mg KOH/G
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Presence of Oxidation inhibitor
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Absent
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