NYNAS

PRODUCT DATA SHEET

Nytro Libra
PROPERTY UNIT TEST METHOD GUARANTEED DATA TYPICAL DATA
 IEC MIN MAX
Physical
Appearance IEC 60296 Clear, free from sediment complies
Density, 20°C kg/dm3
ISO 12185 0,895 0,879Viscosity, 40°C mm2
/s ISO 3104 12,0 9,4Viscosity, -30°C mm2
/s ISO 3104   1800 1100
Pour point °C ISO 3016 -40 -53
Chemical
Acidity mg KOH/g IEC 62021 0,01 <0,01
Corrosive sulphur DIN 51353 non-corrosive non-corrosive
Corrosive sulphur ASTM D 1275 B non-corrosive non-corrosive
Corrosive sulphur IEC 62535 non-corrosive non-corrosive
Aromatic content  % IEC 60590 10
Antioxidant, phenols Wt % IEC 60666 not detectable not detectable
Water content mg/kg IEC 60814 30 <20
Furfural content mg/kg IEC 61198 0,1 <0,1
Electrical
Dielectric dissipation factor (DDF) at 90°C IEC 60247 0,005 <0,001
Interfacial tension mN/m ISO 6295 40 48
Breakdown voltage
 - Before treatment kV IEC 60156 30 40-60
 - After treatment kV 70 >70
Oxidation stability
At 120°C, 164 h IEC 61125 C
Total acidity mg KOH/g 1,2 0,50
Sludge Wt % 0,8 0,15
DDF/90°C  0,500 0,080
Health, safety and environment
Flash point, PM °C  ISO 2719 135 148
DMSO extractable compounds Wt % IP 346 3 <3
PCB IEC 61619 not detectable not detectable
Nytro Libra is an uninhibited insulating oil, meeting IEC 60296 (03) General specifications. Severely Hydrotreated Insulating Oil
Issuing date: 2010-03-24