Products Features

Industrial Oil

DESCRIPTION -

IPTOL our registered trade mark of Transformer oil and is made from refined mineral oil without any additive and sufficiently free from moisture that is stable at high temperatures and has excellent electrical insulating properties, good oxidation stability, low volatility and resistance to sludge formation..

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Specification

APPLICATION:-

IPTOL is used in Transformers, Circuit Breakers, High voltage Switches, Capacitors, Welding set etc.

SPECIFICATION No. : IS: 335: 1993

CHARACTERISTICS:-

S.No.

Characteristics

 Value

1.

Appearance

clear , transparent and free from suspended matter

2.

Density at 29.50C, g/cm3 (Max.)

0.89

3.

Kinematic viscosity at 27 0C, cSt, (Max.)

 27

4.

Interfacial tension  at  270C  , N/m , (Min.)

 0.04

5.

Flash Point , 0C , Pensky Marten(closed ) , (Min)

 140

6.

Pour Point, 0C , (Max.)

 -6

7.

Neutralization value , mg KOH /g

  1. Total acidity
  2. Inorganic acidity

 

0.03
Nil

8.

Corrosive Sulphur

Non-corrosive

9.

Break Down Voltage(BDV) , kV (rms) , (Min.)
                              i)       Unfiltered
                              ii)       Filtered

 

30
60

10.

Dielectric Dissipation factor (tan δ ) at 900C , (Max)

0.002

11.

Specific Resistance (Resistivity) , ohm-cm

  1. at 900C, (Min.)
  2. at 270C , (Min.)

 

35 x 1012 
1500 x 1012 

12.

Oxidation Stability

  1. Neutralization value after oxidation, mg KOH /g , (Max.)
  2. Total sludge, after Oxidation, % by weight (Max.)

 

 0.4
 0.1

13

Ageing characteristics after accelerated ageing (open beaker method with copper )

 

a.

Specific resistance  , ohm-cm

  1. At  270C , Max.
  2. At  900C , Min.

 

2.5 x 1012 
0.2 x 1012 

b.

Dielectric dissipation factor (tan δ), at 900C, Max.

0.20

c.

Total acidity  mg KOH/gm , Max

0.05

d.

Total sludge , % , Max

0.05

14.

Water content, Max.

50  ppm