SUPER GRADE
Nytro 4000X
Maximum performance insulating oil
An inhibited super grade, Nytro 4000X conforms to IEC 60296 Edition 4.0 – including the fulfilment of
specific requirements for special applications. Developed and formulated to deliver maximum
resistance to oil degradation, Nytro 4000X provides outstanding oxidation stability for a longer
transformer life with less maintenance.
Designed for heavy duty Product description
This product has been specially developed for use in Nytro 4000X fulfils the requirements for IEC 60296
oil-filled electrical equipment – including power and Edition 4.0 fully inhibited oil. Nynas classify this product
distribution transformers, rectifiers, circuit breakers and as a super grade.
switchgears.
Nytro 4000X is rigorously analysed and passes the
following corrosion tests:
Performance and benefits - ASTM D1275
- IEC 62535
Extremely good heat transfer. Thanks to low viscosity - DIN 51353
and viscosity index, this super grade offers extremely
good heat transfer characteristics, ensuring heat is In accordance with IEC 60296 Edition 4.0, all additives
efficiently removed from core and windings. are declared.
Outstanding oxidation stability. Developed and
formulated to deliver maximum resistance to oil There’s more to us than this
degradation, this grade provides outstanding oxidation
stability for enhanced transformer life and minimum We’re delighted you chose one of our transformer oils.
maintenance. If you have any questions about other products and
services, get in touch with your local Nynas contact.
Very good low temperature properties. Naphthenic Besides top quality oils, we offer a wide range of
characteristics allow the transformer to start at the services, including rapid delivery worldwide, sample
lowest possible temperature – without using pour point analysis, training, seminars and much more. All you
depressants. have to do is ask. Find out more at www.nynas.com
High dielectric strength. This insulating oil both meets
and exceeds the toughest demands on dielectric
strength – when stored and handled correctly.
PRODUCT DATA SHEET
Nytro 4000X
PROPERTY UNIT TEST METHOD SPECIFICATION LIMITS TYPICAL DATA
MIN MAX
1 - Function
2
Viscosity, 40°C mm /s ISO 3104 12.0 9.1
2
Viscosity, -30°C mm /s ISO 3104 1800 850
Pour point °C ISO 3016 -40 -54
Water content mg/kg IEC 60814 30 <20
Breakdown voltage
- Before treatment kV IEC 60156 30 40-60
- After treatment kV IEC 60296 70 >70
3
Density, 20°C kg/dm ISO 12185 0.895 0.864
DDF at 90°C IEC 60247 0.005 <0.001
2 - Refining/stability
Appearance IEC 60296 Clear, free from sediment complies
Acidity mg KOH/g IEC 62021 0.01 <0.01
Interfacial tension mN/m EN 14210 40 49
Total sulphur content % ISO 14596 0.05 <0.01
Corrosive sulphur DIN 51353 non-corrosive non-corrosive
Potentially corrosive sulphur IEC 62535 non-corrosive non-corrosive
Corrosive sulphur ASTM D 1275 non-corrosive non-corrosive
DBDS mg/kg IEC 62697-1 not detectable not detectable
Antioxidant wt % IEC 60666 0.34 0.40 0.38
Metal passivator additives mg/kg IEC 60666 not detectable not detectable
2-Furfural and related compounds
mg/kg IEC 61198 0.05 <0.05
content
Aromatic content % IEC 60590 4
3 - Performance
Oxidation stability at 120°C,500 h IEC 61125 C
Total acidity mg KOH/g 0.30 0.02
Sludge wt % 0.05 <0.01
DDF at 90°C 0.050 <0.010
4 - Health, safety and environment (HSE)
Flash point, PM °C ISO 2719 135 146
PCA wt % IP 346 3 <3
PCB IEC 61619 not detectable not detectable
Nytro 4000X is an inhibited insulating oil with extremely good electrical and excellent Severely Hydrotreated Insulating Oil
ageing properties meeting IEC 60296 Ed.4 (2012), special applications. Breakdown Issuing date: 2017-10-11
voltage after treatment as per definition given in IEC 60296, section 6.4.
