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

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