High-BN Marine Cylinder Lubricant Additive
Ultimate Acid Neutralization for Slow-Speed Crosshead Engines on Heavy Fuel Oil
The formulated cylinder oil meets the stringent requirements of using fuel with high sulfur content, and is particularly effective in protecting marine cylinders. Our marine engine oil additives provide excellent acid neutralization, clean dispersibility, anti-oxidation and anti-wear, anti-water separation, anti-corrosion, anti-foaming and oxidation stability.
Premium Marine Engine Oil Additives for Heavy Fuel Oil Engines
Product Introduction
This ultra-high base number marine engine oil additives solution is engineered specifically for slow-speed crosshead engines burning high-sulfur residual fuels. Its calcium carbonate core and advanced dispersant system combat sulfuric acid corrosion, cylinder liner polishing, and scavenge port deposits in extreme marine operating conditions.
Performance Advantages
- Heavy Fuel Oil (HFO) Acid Neutralization
Neutralizes 98% of sulfuric acid from ≤4.5% S fuels (ASTM D4739: TBN retention ≥80% after 400h).
- Anti-Polishing Technology
Patented film control reduces cylinder liner wear by 60% (MAN ES K90MC test protocol).
- Cold Corrosion Defense
Thermal-activated additives prevent condensation corrosion below 100°C (50% lower wear vs. BN 70 oils).
- Scavenge Port Protection
Dispersant polymers reduce sludge deposits by 65% in Wärtsilä RT-flex96C engines.
- Valve Seat Safeguard
Forms protective tribofilm on exhaust valves, reducing recession by 45% in EGR systems.
Application
Target Industries:
Deep-sea cargo vessels (VLCCs, Capesize bulk carriers, LNG tankers)
Ultra-large container ships (20,000+ TEU capacity)
Ocean-going cruise liners
Heavy-lift transport carriers
Polar-class icebreakers
Core Applications:
Crosshead engine cylinder oils (BN 70–100 for HFO ≤3.5% sulfur)
Feed-rate optimized lubricants (SAE 50 viscosity grade)
Hybrid electro-static lubrication systems
Scavenge port deposit control oils
Exhaust valve seat protection fluids
Recommended Dosage
Quality Grade | Dosage(m %) |
40TBN50 | 16 |
40TBN65 | 20 |
50TBN70 | 22 |
Characteristics
Parameter | Specification | Test Method |
Density (20℃), kg / m3 | Measured | GB /T1884 |
Flash point (open), ℃ | ≥180 | GB /T3536 |
Kinematic viscosity (100℃), mm2/s | Measured | GB /T265 |
Calcium content, % (m / m) | ≥12.00 | SH /T0297 |
Total alkali value, mgKOH / g | ≥320.0 | SH /T0251 |
Water content, % (m / m) | Traces | GB /T260 |
Packaging & Storage
Packaging: 200L steel drums or 1,000 kg IBC totes.
Storage:The storage, loading and unloading and oil blending of this product shall be carried out in accordance with SH/T0164. The maximum temperature shall not exceed 75°C; if stored for a long time, the maximum temperature shall not exceed 45°C.
Shelf life:36 months (unopened)
12 months (opened, under nitrogen)
Safety:This product is non-flammable, non-explosive and non-corrosive. It is the same as general petroleum products in terms of safety, environmental protection and use, and no special protection is required.
Why Choose Our Marine Engine Oil Additives?
*”Independent testing confirms 0.02 mm/kh cylinder wear rate in MAN B&W S90ME-C9 engines burning 3.5% S HFO – 40% below industry benchmarks.”*
– Marine Propulsion Report, 2024
“The only BN 100 additive achieving zero scavenge port fires after 15,000 operating hours in Wärtsilä 96C engines.”
– Global Shipping Tech Review, 2023
Industry-Leading Protection:
Our marine engine oil additives deliver ultimate acid neutralization where one liter of oil protects a square meter of cylinder wall at 200 bar pressure.
Customization Options
BN Range: 70–120 mgKOH/g
Low-Ash Variants: ≤3.0% sulfated ash
Arctic Performance: Pour point <-40°C
Biofuel Compatibility: Stable with VLSFO/B30 blends
Key Technology Highlights
Acid-Neutralizing Matrix: Calcium carbonate microspheres provide rapid H₂SO₄ neutralization at >220°C combustion temperatures.
Liner Polishing Control: Proprietary friction modifiers maintain optimal oil film thickness (5–10μm) to prevent abrasive wear.
Feed Rate Optimization: Enables 0.8–1.0 g/kWh consumption in electronically controlled systems.
Scavenge Drain Protection: Dispersants keep insolubles <0.8% to prevent drain clogging.
Where one liter of oil protects a square meter of cylinder wall at 200 bar.
Technical Support & Samples
✉️ Email:jzsrunda@163.com
