Transformer Oils
POWEROIL TO 20
POWEROIL TO 20 is an Uninhibited Transformer Oil meeting IEC 296 Class I: 1982 Standard
Specification.
Sr No
Characteristics
1
Appearance
2
Density at 20 o C
3
Unit
Test Method
g /ml
Visual inspection of oil
sample in transmitted light
under a thickness of 10 cm at
ambient temperature
ISO 3675
mm / sec
ISO 3104
4
5
Kinematic Viscosity at 40 C
at - 15 o C
Flash Point, PMCC
Pour Point
6
Inter Facial Tension at 25 C
7
8
9
Acidity
Water Content, Bulk/ Drum, IBC
Breakdown Voltage
10
11
12
13
o
o
2
16.5
800
N/m
ISO 6275
0.04
mg KOH/ g
mg / kg
7.7 of IEC 296
IEC 733
IEC 156
%
Max
0.895
140
o
As Delivered / After Treatment
kV
Dielectric Dissipation Factor
(Tan δ )at 90 o C & 40 to 60 Hz
Corrosive Sulphur
Copper Strip, 140 o C, 19 Hrs.
Anti-Oxidant additives
%
Oxidation Stability at 100 o C, 164 Hrs.
Neutralization value
mg KOH /g
Sludge
Min
Clear free from sediment and
suspended matter
ISO 2719
ISO 3016
o
C
C
Guaranteed Data
- 30
0.03
30 / 40
30 / 50
IEC 247
0.005
ISO 5662
Non Corrosive
IEC 666
IEC 74
1.9.4 of IS 12422
Not Detectable
1.9.1 of IS 12422
Disclaimer: APAR makes no warrantees, representation or conditions of any kind expressed or implied for
use with respect to these products. Final determination of suitability of the products for the application
contemplated by the user is solely their responsibility.
0.4
0.1
Product Data Sheet
Version # 6 1st October, 2020