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Eiffel Elect Oil N-42 Inhibited Transformer oils are severely refined hydro-cracked / hydro-treated virgin un-inhibited Naphthenic insulating oils with highest degree of purity and stability. It is manufactured from judiciously selected blend of latest technology feed stocks, which is highly suitable for all grades of Power & distribution Transformers, Circuit Breakers, Oil filled switches and X-ray equipment.

• Very low sulphur and no DBDS. • Low Pour point. • High dielectric strength. • Non corrosive as tested by all present methods, DIN & ASTM tests & New IEC 62535 method. • Low viscosity oils offering excellent and fast heat transfer. • Higher Flash point, resulting on Low evaporation losses and better safety • Remarkably low sludge and acidity formation, in both ageing and oxidation tests, results in longer life of oil and equipment • Compatible with transformer construction material.

Eiffel Elect Oil N-42 Inhibited Transformer oils are highly suitable for all grades of • Power Transformers, Distribution Transformers • Circuit Breakers • Oil filled switches • X-ray equipment.

Specifications

Eiffel Elect Oil N-42 inhibited Transformer oils conforms to and exceed the requirements of ASTM D 3487 Type II & IEC 60296:2012.

Typical Characteristics

TEST DESCRIPTION TEST METHOD SPECIFICATION LIMITS
Function
Kinematic Viscosity, mm2/s(Max) ISO 3104
at 40 0C 12.0
at -30 0C 1800
Pour Point ISO 3016 < -40
Woter Content, Max mg/kg IEC 60814
a) Bulk 30
b) Drum 40
Break Down Voltage, Min IEC 60156
a) As Delivered (Kv) 30
b) After Treatment (Kv) 70
Density kg/dm3, @20 0c, Max ISO 3675 0.895
DDF at 90 0c, Max IEC 60247 0.005
Refining/Stability
Appearance Visuval Clear, odourless, liquid free from suspend impurities
Neutralization Value / Acidity, mg KOH/g, Max IEC 62021-1 / IEC 62021-2 0.01
Interfacial tension, mN/m, Min ASTM D 971 40
Total sulphaur Content %, Max IP 373/ ISO 14596 No General Requirment
Corrosive sulphaur , Silver strip. 100°C, 18hrs DIN 51353 Non Corrosive
Cu strip & kraft Paper 150°C, 72hrs IEC 62535 Non Corrosive
DBDS, mg/kg, Max IEC 62697-1
(in preparation)
Not detectable(<5)
Anti-Oxiddant Additives IEC 60666 0.08 – 0.40
Metal Passivators, mg/kg, Max IEC 60666 Not detectable(<5)
2-Furfural content. mg/kg, Max IEC 61198 Not detectable(<0.05)
Stray Gassing CIGRE No General Requirment
Perfomance
Oxidation Stability, 500 hrs, Max IEC 61125
METHOD-C
– Total acidity. mg KOH/g, Max 1.2
– Sludge, %, Max 0.8
– DDF @90°C, Max IEC 60247 0.5
Health, safty and environment (HSE)
Flash Point °C, PMCC , Min ISO 2719 135
Polycyclic Aromatics % mass, Max IP:346 3.00
Total PCB content mg/Kg IEC 61619 Not Detectable(<2)
Corban Type Analysis, %
CN, %, Min ASTM D2140 42
CP, %, Min 60
CA, %, Min 10
Conforms to Standards
ICE 60296:2012(I) ok
ASTM D 3487 Type II ok

The above figures are typical of blends with normal production tolerance and do not constitute a specification.

Packaging
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