Description
The Castrol Perfecto T range of turbine oils is formulated from highly refined mineral base stocks, with selective additives to improve their inherent high oxidation stability and to protect against corrosion of metals.
Application
Perfecto T grades meet the requirements of:
- British Standard BS 489
- DIN 51515
- General Electric GEK 28143
- Alstom HTGD 90117
- Siemens TLV 9013 04
Technical Data
| Name | Method | Units | T32 | T46 | T68 | T100 |
| Kinematic Viscosity at 40°C | IP 71 | cSt | 32 | 46 | 68 | 100 |
| Kinematic Viscosity at 100°C | IP 71 | cSt | 5.3 | 6.7 | 8.6 | 10.8 |
| Viscosity Index | IP 226 | None | 102 | 102 | 102 | 97 |
| Relative Density at 15°C | ASTM D4052 | g/ml | 0.874 | 0.877 | 0.881 | 0.882 |
| Pour Point | IP 15 | °C | -12 | -12 | -12 | -12 |
| Closed Flash Point | IP 34 | °C | 216 | 220 | 230 | 230 |
| Total Acid Number (Potentiometric) | ASTM D664 | mgKOH/g | 0.1 | 0.1 | 0.1 | 0.1 |
| Air Release at 50°C | IP 313 | minutes | 3 | 4 | 5 | 8 |
| Demulsification | IP 19 | seconds | 60 | 60 | 90 | 90 |
| Foam Sequence I (tendency/stability) | IP 146 | ml | 10/0 | 10/0 | 20/0 | 20/0 |
| Foam Sequence II (tendency/stability) | IP 146 | ml | 0/0 | 0/0 | 0/0 | 10/0 |
| Foam Sequence III (tendency/stability) | IP 146 | ml | 10/0 | 10/0 | 20/0 | 20/0 |
| Rust test (24 hours distilled water) | IP 135A | – | Pass | Pass | Pass | Pass |
| Rust test (24 hours synthetic sea water) | IP 135B | – | Pass | Pass | Pass | Pass |
| Copper Corrosion, 3hrs at 100°C | IP 154 | – | 1A | 1A | 1A | 1A |
| RPVOT | IP 229 | minutes | 450 | 450 | 450 | 450 |
| TOST Test, to 2 mgKOH/g | ASTM D943-95 | hours | 4000 | 4000 | 4000 | 4000 |
The above figures are typical of those obtained with normal production tolerance and do not constitute a specification.