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Home / Standards / API CI-4

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Additives for API CI-4 Formulations

1 CheMost components used in oils targeting API CI-4 · Diesel Engine Oil Additive Packages

What API CI-4 Demands of an Oil

CheMost supplies the additive components a blender uses when formulating an oil to meet API CI-4. The category approval itself is held by the finished-oil marketer, not the additive supplier — the grades below are the chemistry that goes into such formulations.

Components Used in API CI-4 Formulations

Real, documented CheMost grades whose data sheets cite use in oils targeting this specification. Open a product for full technical detail, or request a sample.

Diesel Engine Oil Additive Packages

API CH-4/CI-4 Diesel Engine Oil Additive Package

Heavy-duty diesel engine oil additive package built for API CH-4 and CI-4 (with a legacy CF-4 figure), TBN 95 mgKOH/g and 6.2% nitrogen — treat rate 6.0-10.0% by target level.

Related Tools

Free ASTM-method calculators for sizing this chemistry into a formulation.

TBN Contribution CalculatorEstimate the base number a detergent contributes at a given treat rate.Treat Rate CalculatorConvert between wt%, ppm and kg per tonne for any component.

Formulating to API CI-4? Tell us your target.

Give us the specification, the oil type and your base oil, and our technical team will recommend the components and treat rates, then send the TDS, SDS and a sample.

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