PRODUCT DESCRIPTION

UNINHABITED MINERAL INSTULATING OIL (NAPHTHENIC OIL)
AS IES – 296 CLASS - 1

GENERAL:

Transformer oil has several functions, the most important of these are insulation and cooling. The oil has another important function, it gives very important information about active parts conditions in the transformers.
PRINCIPAL PROPERTIES:
Naphthenic base oil is basically wax free and have low temperatures, also good heat distribution is one of main characters of naphthenic base oils.
APPLICATIONS:
Insulation and cooling for transformers.

COMPATIBLITY:

In general oils complying with IEC 296 class 1 can be mixed together with no major drawbacks.

PRODUCT DATA:

Physical Properties  
Appearance Clear and bright
Color Max,0.5°C
Flash Point Min 140°C
Pour Point Max -30°C
Density @ 20°C Max 0.859 gm/cc
Viscosity @ 40°C Max 10.0 cSt
Viscosity @ 100°C Max 3.0 cSt
Interfacial tension @ 25 Min 40.0 mN/m
Chemical Properties
Neutralization value Mix 0.03 mg KOH/g
Corrosive Sulphur Non-corrosive
Water content
Bulk delivery Mix 30.0 ppm
Drum delivery Max 40.0 ppm
Oxidation stability after 164 hours:
Neutralization No. Max 0.4 mg KOH/g
Sludge Max 0.1 wt%
Electrical Properties
Breakdown voltage:
As delivery Min 30.0kv
After treatment Min 50.0kv
Dissipation factor @ 90°C Max 0.5%