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CHEMPOL 9424M – System Oil (SO) & Trunk Piston Engine Oil (TPEO) Additive
Marine Additives

CHEMPOL 9424M – System Oil (SO) & Trunk Piston Engine Oil (TPEO) Additive

Product overview

CHEMPOL 9424M is a multifunctional additive package designed for formulating Trunk Piston Engine Oils (TPEO) and System Oils (SO) for medium-speed marine and stationary diesel engines. It provides stable performance across fuels with varying sulfur levels, ensuring excellent protection and efficiency under both marine and power generation operations. Suitable for single- and multi-fuel environments, it offers exceptional formulation flexibility, especially when combined with CHEMPOL 9012M to meet tailored performance requirements.

Handling and Storage

  • Store in a cool, dry, and well-ventilated area.
  • Do not exceed 75°C during storage; for long-term storage, keep below 45°C.
  • Keep the container tightly sealed to avoid contamination.
  • Product is non-flammable, non-explosive, and non-corrosive.
  • Refer to the MSDS for detailed safety, health, and environmental guidance.

DOSAGE RECOMMENDED (WT%):
Performance LevelViscosity GradeDosage (m%)
To Formulate System Oil for Crosshead engines with Oil Cooled Piston API CC -3.2
To Formulate System Oil for Crosshead engines with Oil Cooled Piston-3.5
To Formulate System Oil for Crosshead engines with Oil Cooled Piston-4.0
For normally aspirated marine diesel engine oils and also suitable To Formulate System Oil for Crosshead engines with Oil Cooled Pistons API CD-6.3
For Diesel Engines operated on Gasoil or Marine diesel oil API CD-6.8
For Diesel Engines operated on Residual Fuel to formulate lubricants of TBN 20-9.3
For Diesel Engines operated on Residual Fuel to formulate lubricants of TBN 30-12.4
For Diesel Engines operated on Residual Fuel to formulate lubricants of TBN 40-15.5
Key properties
ITEM, TEST METHODSPECIFICATIONTYPICAL
Appearance, VisualBrown Viscous LiquidBrown Viscous Liquid
Kinematic Viscosity (100℃) mm2/s, ASTM D445 50-90 70
Density (15℃), kg/m3, ASTM D4052 1000-1100 1020
Flash Point (COC), ℃, ASTM D92 ≥180 >200
TBN, mg KOH/g, ASTM D2896 150-180 170
Ca Content, m%, ASTM D5185 5.65-6.25 5.85
Zn Content, m%, ASTM D5185 0.77-0.87 0.82
P Content, m%, ASTM D5185 0.68-0.78 0.73
N Content, m%, ASTM D5291 0.50-0.70 0.55

Product documents

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