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Eiffel Elect Oil IH Inhibited Transformer oils are severely refined hydro-cracked / hydro-treated virgin inhibited 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 IH 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 IH Inhibited Transformer oils conforms to and exceed the requirements of ASTM D 3487 Type II & IEC 60296:2012 (Table 2: I – High Grade requirements)
Eiffel Elect Oil IH Inhibited Transformer oils are High Grade Inhibited Transformer oil has superior oxidation stability – meeting the high grade requirements as specified in IEC 60296:2012, high dielectric strength and are used in equipment requiring operations at high elevated temperatures & greater oxidation resistance.

Typical Characteristics

TEST DESCRIPTION TEST METHOD SPECIFICATION LIMITS TYPECAL VALUES
Function
Kinematic Viscosity, mm2/s(Max) ISO 3104
at 40 0C mm2/s, Max 12.0 9.7
at -30 0C mm2/s, Max 1800 600
Pour Point 0c, Max ISO 3016 < -40 -42
Woter Content, IEC 60814
a) In Bulk ,mg/kg, Max 20 12
b) In Drum & IBC mg/kg, Max 30 20
Break Down Voltage, kV, Min IEC 60156
a) As Delivered 30 50 – 65
b) After Treatment 70 70 – 80
Density at @20 0c , g/ml, , Max ISO 12185/ ISO 3675 0.895 0.821
DDF at 90 0c, Max IEC 60247 / IEC 61620 0.005 0.005
Refining/Stability
Appearance Visuval Transparent clear & odourless liquid free from suspended impurities Transparent clear & odourless liquid free from suspended impurities
Neutralization Value / Acidity, mg KOH/g, Max IEC 62021-1 / IEC 62021-2 0.01 <0.001
Interfacial tension, mN/m, Min EN 14210 / ASTM D 971 40 48
Total sulphaur Content %, Max ISO 14596 0.05 <0.01
Corrosive sulphaur , Silver strip. 100°C, 18hrs DIN 51353 Non Corrosive Non Corrosive
Cu strip & kraft Paper 150°C, 72hrs IEC 62535 Non Corrosive Non Corrosive
DBDS IEC 61297-1 Not Detectable Not Detected
Anti-Oxiddant Additives IEC 60666 0.03 – 0.40 0.3
2-Furfural content. mg/kg, Max IEC 61198 0.05 Nil
Perfomance
Oxidation Stability, 500 hrs IEC 61125:
1992 METHOD-C
– Total acidity. mg KOH/g, Max 0.30 0.02
– Sludge, %, Max 0.05 <0.01
– DDF @90°C, Max IEC 60247 0.05 0.005
Health, safty and environment (HSE)
Flash Point °C, PMCC , Min ISO 2719 135 150
Polycyclic Aromatics (PCA) content % , Max BS 2000 (IP:346) 3.00 <1 %
Polychlorinated biphenyls (PCB) content IEC 61619 Not Detectable Not Detected
Bio Degradability
OECD 301 B , Co2 Evalution Test OECD 301 B “Readability bio gradable (>60 %)
Conforms to Standards
ICE 60296:2012 ok ok
ASTM D 3487 Type I ok ok

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

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