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January 16, 2019

Volume 2 Issue 3




RELATED TOPICS

 * Lubricants
 * Specs


ACC OFFERS GF-6 TIMELINE, RELAXED LIMITS

By Steve Haffner

An American Chemistry Council committee proposed a plan last week for the ILSAC
GF-6 passenger car engine oil category to be completed and brought to market by
the second quarter of 2020, which has been a stated goal of North American car
suppliers, but the proposal entailed setting limits for several tests at levels
that would be less stringent than automakers have asked.

Officials with the Product Approval Protocol Task Group, which represents
lubricant additive companies, did not rule out of the possibility that oils
fulfilling more stringent performance desires of automakers could be developed –
thus enabling a more demanding oil specification – but they maintained that
doing so would take more time and would thus push first licensing of GF-6 deeper
into next year, at least.



“Based on what we know today, this [proposal] is what ACC members believe can be
demonstrated and allow ILSAC GF-6 to be delivered by 2Q 2020,” said a PAPTG
spokesperson.

Panel members noted that a few other GF-6 hurdles still remain, primarily the
resolution of problems involving a key wear test, the Sequence IVB, and the
setting of guidelines for base oil interchange and viscosity grade read-across.



Automakers are expected to respond to the proposal later this month.

PAPTG’s proposal came in the shape of a one-page update about the technical
demonstration program for GF-6, released Jan. 7 by the American Petroleum
Institute to the Automotive Oil Advisory Panel, which represents all
stakeholders responsible for finishing the oil category and setting a timeline
for bringing it to market. The tech demo program began July 1, 2018 after the
oil, additive and automotive industries finished developing the various tests
that constitute the substance of the specification and proposed pass-fail limits
for each of them with the exception of the Sequence IVB. The program has several
purposes, including giving oil formulators a chance to develop products that can
meet the draft performance requirements and/or determining the limits they can
achieve.



The PAPTG document was a consensus position by members for each test in the
proposed specification, the much-delayed next passenger car motor oil standard
for North America.

The document lists each test and key test parameter, the current GF-5
specification limits where applicable and the limits proposed by ILSAC (the
International Lubricants Standardization and Approval Committee) for GF-6 in all
the new tests. It also lists limits that ACC members believe they can achieve
given the work that has been done to date. The key message is that providing
there are no surprises, additive companies are confident that the technical
demonstration period can completed by July 1 if stakeholders accept the limits
proposed by ACC.



The standard process for bringing new categories to market calls for a 12-month
waiting period, which would set first allowable use of GF-6 at July 1, 2020.
That timeline has in a few cases been condensed to nine months, and doing so
again could advance first licensing to April 1, 2020, the date requested by
ILSAC.

For some tests, including the Sequence VG, the Sequence VIII and the new
Sequence IX test for prevention of low-speed pre-ignition, which was developed
for API SN Plus, ILSAC proposed GF-6 limits that would be unchanged from GF-5. 
The sequence IIIHA and IIIHB tests for used oil pumpability and phosphorus
retention respectively are also unchanged from GF-5.  For the Sequence IIIH,
ILSAC had proposed a 33 percent improvement in oxidation protection and a 22
percent improvement in piston deposit protection. ACC agreed to the oxidation
improvement but countered with a more modest improvement of approximately 10
percent in piston deposit protection. 



Brian Jackson/Alamy Stock Photo

An American Chemistry Council committee proposed a plan last week for the ILSAC
GF-6 passenger car engine oil category to be completed and brought to market by
the second quarter of 2020



ACC proposed a slightly less stringent limit on the Sequence X test for chain
wear – a maximum of 0.09 percent stretch in chain length versus 0.085 percent,
to allow for test variability and proposed more relaxed limits for the Sequence
IVB. The revised IVB still needs to be validated with new formula technologies,
and it appears that the additive companies wanted to be a little conservative on
what they agree to.

The area that will likely garner the most discussion concerns limits for the
Sequence VIE and VIF tests for fuel economy. ILSAC proposed ratcheting them by
27 to 55 percent depending on SAE grade whether testing for initial or retained
fuel economy improvement. ACC proposed more modest improvements ranging from
approximately 11 percent to approximately 20 percent for the various VIE and VIF
parameters.

It should also be noted that additive companies made significant changes to
their technologies to deliver LSPI protection, which was initially developed for
GF-6 but was then delivered via API SN Plus, a supplemental category brought to
market last year. Engine protection and fuel economy improvement is a careful
balance since some additives that improve protection can be a debit for fuel
economy.

The PAPTG spokesperson cautioned more work needs to be done to allow the waiting
period to be determined.

“We still need to recognize that there is still much work to do be done by the
[Base Oil Interchange/Viscosity Grade Read Across] Task Force including
finalizing and validating the Sequence IVB given all the changes made by the
surveillance panel to ensure capability of the test. The work by BOI/VGRA around
IIIH BOI and VGRA and potential to use a Single Technology Matrix is also going
to be critical to understand if the mandatory waiting period can be shortened
from the scheduled 12 months.”

Asked what would happen if ILSAC insists on sticking to the original limits for
fuel economy and other parameters, PAPTAG said additive companies would continue
to work on the technology but could not commit to any alternate schedule at this
time. A further update on BOI/VGRA issues and the Sequence IVB should be
available this month.


RELATED STORIES


GREASE INDUSTRY TRENDING TOWARD CALCIUM

By Will Beverina


CONCERNS EASE OVER ACEA USE OF ILSAC TESTS

By Steve Haffner


A BRIGHTER FUTURE FOR SPEC DEVELOPMENT

By Caitlin Jacobs


FORD RECOMMENDS FA-4 FOR F-150

By Steve Swedberg

More


THIS WEEK'S STORIES


ACC OFFERS GF-6 TIMELINE, RELAXED LIMITS

By Steve Haffner


KRATON LIFTS FORCE MAJEURE ON TALL OILS

By George Gill


WD-40 INCOME, SALES INCREASE

By Will Beverina


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