Our Marine Cylinder Oil is a high-performance lubricant engineered for low-speed crosshead marine diesel engines, specially formulated to adapt to heavy fuel oil with different sulfur contents and harsh marine operating conditions.

It integrates premium base oil and advanced additive packages, delivering reliable lubrication, acid neutralization and deposit control for engine cylinder liners, pistons and other key components.

Approved by major marine engine manufacturers, it is the ideal choice for various ocean-going vessels to optimize engine performance and reduce operational risks.

Product Advantages

1. Excellent acid neutralization capacity to counteract acidic substances from fuel combustion and prevent cold corrosion.
2. Superior anti-wear performance forms a stable oil film to reduce metal friction and extend engine service life.
3. Strong thermal and oxidation stability, maintaining performance under high-temperature and high-pressure working conditions.
4. Outstanding detergency and dispersancy to avoid carbon deposits and keep the cylinder chamber clean.

Technical Parameters

Item	Quality Index (680# as example)	Test Method
Viscosity Grade (ISO 3448)	380#, 460#, 680#, 1000#	-
Kinematic Viscosity (40℃), m²/s	612~748(varies by grade)	GB/T 265
Viscosity Index (min)	90	GB/T 2541
Pour Point (max), ℃	-5	GB/T 3535
Flash Point (Open Cup, min), ℃	230	GB/T 3536
Acid Value (max), mgKOH/g	0.6	GB/T 4945
Saltwater Resistance (24h immersion), Corrosion Grade (max)	1	SH/T 0023
Wear Scar Diameter (Four-Ball Test), mm (max)	0.40	GB/T 3142

Process & Technology

This lubricant uses deeply refined mineral base oils, blended with a customized high-efficiency compound additive system using precise proportioning technology. The product has undergone over 4,000 hours of engine bench testing and shipboard trials, fully complying with MAN and WinGD engine technical standards. The production process employs a fully automated, closed-loop mixing process, ensuring stable product quality and reliable performance.

Packaging & Transportation

Available in plastic drums and sealed iron drums, with leak-proof and anti-corrosion packaging design. Product specifications and usage instructions are clearly marked on the label. Transported by sea/land shipping; stored in a dry, ventilated indoor environment, away from direct sunlight and high temperatures.

Services

1. Free professional technical consultation on product selection and usage.
2. Customized oil solution according to vessel engine type and fuel sulfur content.
3. Fast global shipping and shortened delivery times.
4. After-sales follow-up and engine lubrication performance analysis.

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