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Marine Oil

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Specifications

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Product Name Attribute Specifications Use Product Features
AC-30 System Oils SAE 30 SAE 30, Suitable for the bearing circulation system lubrication of large low-speed two-stroke crosshead diesel engines.
  1. Long-term use can maintain a considerable alkaline value and viscosity, maintaining the ability to neutralize acidic substances and keep the inside of the cylinder clean.
  2. Increases engine horsepower and has excellent anti-oxidation performance, belongs to long-lasting system oil.
HB Serise Marine High-speed Engine Oils SAE 30. 40. 50 Suitable for medium and large-sized fishing boat engines or land-based stationary diesel engines that use diesel fuel with a sulfur content of about 1%.
  1. Has a high alkaline value, which can neutralize the corrosive acids produced after the combustion of sulfur in the fuel.
  2. Excellent detergency, dispersancy, rust prevention, anti-oxidation, and anti-wear performance.
DPO Serise SAE 30. 40 Suitable for the lubrication of medium and high-speed four-stroke diesel main and auxiliary engine crankshafts and cylinders that use diesel fuel.
  1. Has a high alkaline value (TBN12), which can neutralize the acidic products generated after fuel combustion, and long-term use can maintain a considerable alkaline value and viscosity.
  2. Excellent detergency, dispersancy, rust prevention, anti-oxidation, and anti-wear performance.
SL 253, 254 System/Cylinder Oils SAE 30. 40 Lubricating oil for both crankshaft systems and cylinders. Suitable for medium and large-sized trunk piston diesel engines using high-sulfur heavy oil or fuel oil.
  1. Has a high alkaline value (TBN25), which can effectively neutralize acidic components.
  2. Strong oil film, good anti-wear properties.
  3. Has excellent detergency, dispersancy, rust prevention, and anti-oxidation performance.
SL 303, 304
  1. Has a high alkaline value (TBN30), which can effectively neutralize the acidic components produced by the combustion of high-sulfur heavy oil, reducing corrosion.
  2. Strong oil film, good anti-wear properties.
  3. Has excellent detergency, dispersancy, rust prevention, and anti-oxidation performance, extending oil life.
CO-500, 700 Cylinder Oils SAE 50 Specifically for the cylinder lubrication of large crosshead diesel engines using heavy oil.
  1. The TBN of CO-500 is about 50; the TBN of CO-700 is about 70.
  2. The alkalinity is extremely high, which can effectively reduce the acidic substances produced by oxidation of high sulfur content when burning heavy oil, avoiding corrosion and wear.
  3. Excellent cleanliness and corrosion resistance.

Attribute Decommonion
System oil Also known as crankcase oil, its main functions are lubrication, cooling, and corrosion protection. It is used for crankcase lubrication of large low-speed crosshead engines, and sometimes can also be used for lubrication of supercharger turbines, etc.
High speed diesel engine oil Mainly used for engine lubrication of high-speed diesel engines. Its engine characteristics and the fuel used are basically similar to those of land-based diesel engines. Therefore, diesel engine oil of the corresponding quality level can meet the lubrication requirements of marine high-speed diesel engines, but attention should be paid to the usage occasions and the oil"s anti-rust and water-separability properties should be considered.
System/cylinder common oil(Medium speed trunk piston diesel engine oil) It is mainly used for the lubrication of medium-speed diesel engines with cylindrical pistons as the main engine, and can also be used for high-speed auxiliary engines. Its characteristic is that it burns low-quality residual oil fuel, so its combustion products can easily enter the crankcase, so it should also have the function of neutralizing the acidic products of the cylinder oil.
Cylinder oil Used for lubrication of large low-speed crosshead two-stroke diesel engine oil piston and cylinder liner lubrication. Due to the long stroke of the two-stroke crosshead engine, the cylinder and crankcase are lubricated separately.

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