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【资讯速递】CK-4/FA-4取得API暂时许可证

号外! 【简讯】为了支撑卡特彼勒机油起泡试验,美国石油学会(API)上星期对重型柴机油CK-4和FA-4颁发了暂时许可证。 但你是否了解什么是API呢?为什么需求API认证? 什么…


号外!













【简讯】为了支撑卡特彼勒机油起泡试验,美国石油学会(API)上星期对重型柴机油CK-4和FA-4颁发了暂时许可证。



但你是否了解什么是API呢?为什么需求API认证?


什么是API?



在美国,API是一套发起机油产品认证和认证办理体系,意图是为了保证光滑油可以满意OEM的规划要求、轿车保养以及光滑要求。

发起机油的功能规则、测验办法、不同分类的限值和测验进程一般由OEM、光滑油厂商、添加剂公司和第三方试验组织一起拟定。

API发起机油的认证标识是圆环图,此标识的规划是放置于圆形全密封容器的盖子上,也可放置于各种其它包装的夺目方位。该标识协助顾客区分机油的粘度等级、功能等级和是否节能。假如机油没有节油功能,API圆环图的下部则为空白。  

别的,API还开发了爆星图,协助最终用户更方便地挑选满意世界光滑油规范化及认证委员会(ILSAC)(包含AAM和JAMA)编制的有关汽机油的规范。满意ILSAC要求的发起机油有必要在产品包装的正面显现爆星图。


API一起也办理ILSAC的认证。

The American Petroleum Institute invoked provisional licensing last week for its two newest heavy-duty diesel engine oil categories, API CK-4 and API FA-4, due to temporary unavailability of the specifications’ oil aeration test.

Also known as COAT and ASTM D8047, the oil aeration test is one of two new diesel tests – the other being the Volvo T-13 – that were introduced for the new diesel engine oil categories. CK-4 and FA-4 were launched in the second half of 2016 and were permitted to be displayed in the API donut beginning on Dec. 1, 2016.


Hind M. Abi-Akar, fluids technical expert from Caterpillar Inc., explained the reason for the COAT’s unavailability. “The Caterpillar Surveillance Panel took action to improve the variation in calibration test results across test labs,” she told Lube Report. “The surveillance panel agreed to suspend candidate testing while the aeration measurement systems among the labs were made uniform.”

Abi-Akar was the key leader when the COAT test was developed. “At this time, the test setups among the labs are uniform, hence this step has been completed,” she said. ”The first phase of validation was successfully completed. The second phase has delivered some unexpected results, which the surveillance panel is evaluating. Once the results are fully understood, the surveillance panel will determine the necessary course of action to bring the test back to a calibrated status. They will also update industry on how long the outage will last, but the test is expected to be back in service this year.”

As long as a second test for CK-4 and FA-4 does not become unavailable, industry should easily manage this disruption. It should be noted that industry will also need the COAT test to maintain older diesel categories such as CJ-4, CI-4 and CH-4 when the older Engine Oil Aeration test (EOAT or HEUI test) becomes unavailable. Parts for the 1994 vintage Navistar 7.3L test are no longer available, and only one test stand remains, but many tests can still be run on it.

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