PC‑12 is the latest engine oil performance category for heavy-duty vehicles. Also known as ‘API CL-4’ and ‘API FB-4’, PC-12 builds on PC‑11, reflecting changes in engine hardware, emissions systems, and durability demands–particularly around oxidation control and long‑term performance.
We leverage over 25 years’ expertise in additives for automotive applications. Our extensive real‑world field testing across millions of miles is complemented by structured development and evaluation programs conducted under severe duty conditions.
New innovative chemistry delivering excellent real-world performance at 800 ppm Phos, both on and off-road, benchmarking against CK-4 frameworks and selected market references.
We offer a flexible, customer-focused additive portfolio
That means supporting different formulation strategies, including compatibility with sustainable base stock options, while maintaining disciplined, category‑aligned claims.
Our approach is grounded in extensive real‑world testing and deep involvement in category development which means we can support customer development, testing and approval.
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