روغنERAM 35 یک روغن عایق الکتریکی بدون مواد بازدارنده بوده که خصوصیات تعیین شده در دستورالعمل تعیین الزامات روغن عایقی برای مصرف ترانسفورماتور توزیع را پوشش می دهد.
| Test Method | Typical Value | Property |
|---|---|---|
| 1- Function | ||
| ISO – 3104 | 10.5 | Kinematic Viscosity ,mm2/s , at 40 oC |
| ISO – 3016 | -35 | Pour Point ,oC |
| IEC – 60814 | 10 | Water Content, ppm |
| IEC – 60156 | 75 | Breakdown Voltage.kV |
| ISO – 3675 | 0.865 | Density , at 20 oC ,Kg/dm3 |
| IEC – 60247 | 0.003 | Dissipation Factor,at90oc |
| 2- Refining/ stability | ||
| – | Clear, Free From Sediment | Appearance |
| IEC – 62021 | 0.009 | Acidity, mg KOH/g |
| ASTM – D971 | 36-40 | Interfacial tension, mN/m |
| DIN – 51353 | Non Corrosive | Corrosive Sulphur |
| IEC – 62697 | Not detectable | DBDS, ppm |
| IEC – 60666 | Uninhibited oil | Antioxidant additive, wt% |
| IEC – 60666 | Not detectable | Metal passivator additive, ppm |
| IEC – 61198 | Not detectable | 2-Furfural and related compounds content |
| 3- Performance | ||
| IEC – 61125 C | Oxidation Stability at 120 oC, 164 h | |
| 0.8 | Total acidity, mg KOH/g | |
| 0.4 0.3 | Sludge, wt% DDF at 90 oC | |
| 4- Health, safety and environment (HSE) | ||
| ISO – 2719 | 142 | Flash Point , oC |
| IP – 346 | Not detectable | PCA content, wt% |
| IEC 61619 | Not detectable | PCB content, ppm |