PC-11 Gets Green Light
奥斯汀，德克萨斯州 - PC-11，下周接受了ASTM和美国石油研究所的前进。新类别 - API正式将CK-4呼叫与其燃油经济性版本，FA-4 - 现在确保在2016年12月1日提供许可。
Products meeting API CK-4 will continue to be backwards compatible with earlier categories, such as CJ-4 and CI-4PLUS. However, API FA-4 may have only limited backwards compatibility due to the fact that its minimum high-temperature, high-shear viscosity falls below that specified in prior category requirements.
The PC-11 approvals came in a flurry of meetings on Dec. 8, 9 and 10 during the half-yearly gathering of ASTM Committee D02 on Petroleum Products and Lubricants. First, ASTM’s Heavy Duty Engine Oil Classification Panel, chaired by Shawn Whitacre of Chevron, had to review and accept all of PC-11’s tests and limits, which it did Dec. 8.
之后,两个其他利益相关者群体s chimed their agreement: the Diesel Engine Oil Advisory Panel, which represents engine builders and oil and additive companies and is jointly chaired by Steve Kennedy of ExxonMobil and Greg Shank of Volvo Powertrain; and the New Category Development Team, led by Dan Arcy of Shell, which began working on PC-11 back in December 2011 and adroitly steered it to completion.
12月9日，ASTM D02技术委员会B搬到了新标准，这是一种简单的形式，现在所有的障碍都被清除了。聘请Intertek的Joe Franklin是该委员会主席。
由Scott Lindholm席万博电竞体育位的席卷座，留下了API的润滑油组，将PC-11写入1509年，管辖该研究所的发动机油许可系统。Thanks to the group’s unanimous vote on Dec. 10, oil marketers can now lay plans to roll out CK-4 and FA-4 products next Dec. 1. That will be the first date licensees may display these designations in the trademarked API “donut” on their labels.
VGRA, viscosity grade read-across, is allowed under API 1509 as a means of reducing engine sequence test costs, by comparing certain engine test results across multiple viscosity grades. Often, for example, lower viscosity oils have more difficulty in successfully passing certain procedures; if an SAE 10W-30 oil earns a passing grade, its results can be read across to a heavier grade such as SAE 15W-40, eliminating the need to run additional tests.
So far, enough supporting data has been generated to establish BOI between Group II base oils for PC-11, but not for switching between Group II and Group III, nor for switching within the pool of Group III base oils.
另一个和更多的挑衅性问题是营销人员将如何标记新的油 - CK-4和FA-4 - 以及他们将如何有效地传达差异到最终用户。
API commissioned a study to determine what users value and believe to be descriptive of oil performance. The first results from this study showed that brand name and viscosity grade are the only information that participants consistently said they recognize! The API donut trademark and other terminology are mysteries to most users.
During the PC-11 development process, several ideas were tested and discarded regarding public awareness efforts. One proposal was to create an exotic viscosity grade, “SAE 26,” which presumably would identify heavy duty engine oils meeting the FA-4 definition for the SAE XW-30 grade, which has a high-temperature, high-shear viscosity limit of 2.9 to 3.2 centiPoise.
提出的另一个想法是将粘度等级标记为“SAE XW-30 L”或“SAE XW-30 H”。这被视为与SAE 26概念混乱。最后，粘度识别系统保持不变。
While it will not affect first-licensing date, the documents that define engine oil categories are going to be revised to align with each other. API 1509 and ASTM D4485 are the two documents which identify the necessary tests and results to describe each oil category. Over the years, differences in terminologies and language conventions have resulted in some tortuous definitions and awkward footnotes. This is being addressed by a ta