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API grants formula relief, lubricant reactions mixed

  • Spanish Market: Oil products
  • 27/03/26

US base oil suppliers and finished lubricant blenders are optimistic that recent formulation relief being given will help with some supply shortages, but reported that there will still be sectors facing severe cutbacks to availability.

The US-based Independent Lubricant Manufacturers Association (ILMA) made the request for the emergency relief on 13 March.

Group III base oil availability in the US has been severely curtailed by a shutdown of shipments from the Mideast Gulf and reduced output from South Korea. The US is a net importer of Group III base oils, which are typically required for full-synthetic and semi-synthetic engine oil formulations.

The API activated its emergency provisional licensing (EPL) for blenders who follow engine oil licensing and certification systems (EOLCS), particularly for Group III base oil-based lubricants.

This would allow blenders to utilize varying Group III grades and brands outside of their specified approvals.

ILMA specified the formulation relief will not allow blenders to substitute Group II/II+ grades into Group III blends or be marketed as a synthetic product.

Market feedback has been mixed following the initial request and approval. Multiple market participants are unsure that the relief will change formulating abilities because blenders will still need to reach specifications.

This could require more tests to determine how much unapproved Group III and additive amounts are required for new formulations.

However, others are wary of less Group III availability and are supportive of any sort of relief to help secure long-term contractual obligations.

Some original equipment manufacturers (OEMs) remain unwilling to accept formulations outside of specified approvals.

Multiple blenders reported that without OEM approval for flexibility, there will be increasing possibilities of shortages of full-synthetic and semi-synthetic lubricants.


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