Steen-C - первое бутиковое синтетическое масло 20W-40 на PAG. Производилось в 1950-1960-х.
🛢️Подлинный объект музея и нашего анализа -
🎦 Видео распаковки -
Сравнение с Prestone:
| Category | Indicator | Value |
| Wear Metals | Iron (Fe) | 0 ppm |
| Chromium (Cr) | 0 ppm | |
| Tin (Sn) | 0 ppm | |
| Aluminum (Al) | 0 ppm | |
| Nickel (Ni) | 0 ppm | |
| Copper (Cu) | 0 ppm | |
| Lead (Pb) | 0 ppm | |
| Molybdenum (Mo) | 0 ppm | |
| Additives | Calcium (Ca) | 3 ppm |
| Magnesium (Mg) | 1 ppm | |
| Zinc (Zn) | 5 ppm | |
| Phosphorus (P) | 3 ppm | |
| Barium (Ba) | 0 ppm | |
| Boron (B) | 1 ppm | |
| Contaminants | Silicon (Si) | 0 ppm |
| Potassium (K) | 8 ppm | |
| Sodium (Na) | 8 ppm | |
| Water | 0.0 % | |
| Glycol | 0 % | |
| Fuel | 0.0 % | |
| Oil Condition | Oxidation Degree | 13.0 Abs/0.1mm |
| Nitration Degree | 4.0 Abs/0.1mm | |
| Kinematic Viscosity at 100°C | 14.39 mm²/s | |
| Kinematic Viscosity at 40°C | 85.94 mm²/s | |
| Viscosity Index | 174 | |
| Total Base Number (TBN, ASTM D 2896) | 0.3 mg KOH/g | |
| Total Acid Number (TAN) | 4.16 mg KOH/g | |
| pH | 7.6 | |
| Specific Parameters | Dynamic Viscosity CCS (-25°C) | 18080 mPa·s |
| Dynamic Viscosity MRV (-30°C) | 43334 mPa·s | |
| Pour Point (ASTM D97) | -45 °C | |
| Aniline Point | 24 °C |
🧪 Лабораторный анализ / VOA (Virgin Oil Analysis) -
