DaTo CYN MARINE SAE 50 Marine Cylinder Lubricating Oil – High TBN 70 Marine Diesel Engine Cylinder Oil
DaTo CYN MARINE SAE 50 is a premium high alkalinity marine cylinder lubricating oil specially developed for heavy-duty slow speed crosshead marine diesel engines operating on high sulphur residual fuels. Formulated with quality base stocks and advanced additives, it delivers superior piston cleanliness, anti-corrosion protection, thermal stability, and long-term cylinder wear resistance.
Description
Premium Marine Cylinder Lubricating Oil for Heavy Duty Marine Diesel Engines
DaTo CYN MARINE SAE 50 is a next-generation marine cylinder lubricating oil engineered for the demanding lubrication requirements of slow speed crosshead marine diesel engines used in cargo ships, marine vessels, tankers, offshore engines, and industrial marine propulsion systems.
Manufactured using high-quality paraffinic base oils and a carefully balanced additive system, DaTo CYN MARINE offers a Total Base Number (TBN) of 70, providing excellent neutralization of acidic combustion by-products produced from high sulphur residual fuel oils containing 3% sulphur or higher.
This advanced marine cylinder oil SAE 50 ensures:
- Maximum piston ring protection
- Superior cylinder liner cleanliness
- Reduced scuffing and wear
- Long drain performance
- High thermal and oxidation stability
- Outstanding corrosion prevention in marine operating environments
It is highly recommended where ship operators demand high-performance marine lubrication with strong acid neutralization capacity under continuous high-load engine operation.
KEY PRODUCT BENEFITS
✔ High TBN 70 Acid Neutralization Formula
Provides strong alkalinity reserve to combat corrosive acids generated during combustion of residual high sulphur fuels.
✔ Excellent Wear Protection
Creates a durable lubricating film between piston rings and cylinder liners to reduce friction and abrasive metal wear.
✔ Superior Thermal Stability
Maintains performance under continuous high-temperature combustion chamber conditions.
✔ Enhanced Piston Cleanliness
Prevents carbon deposits, lacquer, and sludge formation for smoother cylinder operation.
✔ Anti-Corrosion Marine Protection
Protects internal engine parts against rust, sulphuric corrosion, and moisture contamination.
✔ High Viscosity Retention
SAE 50 viscosity grade ensures reliable lubrication thickness during slow-speed heavy-duty operation.
✔ Longer Engine Service Life
Reduces overhaul frequency and lowers total marine engine maintenance cost.
| Property | Test Method | Typical Value |
|---|---|---|
| Product Name | — | DaTo CYN MARINE |
| SAE Grade | ASTM | SAE 50 |
| API Grade | ASTM | CF |
| Specific Gravity @15°C | ASTM D1298 | 0.9150 |
| Flash Point, °C | ASTM D92 | 260 |
| Pour Point, °C | ASTM D97 | -9 |
| Viscosity @40°C, cSt | ASTM D445 | 260 |
| Viscosity @100°C, cSt | ASTM D445 | 19.50 |
| Total Base Number (TBN) | ASTM D2896 | 70 |
| Viscosity Index | ASTM D2270 | 95 |
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