SAE J300_201501 PDF | Request Standard
Historical

SAE J300_201501

Engine Oil Viscosity Classification

Standard by SAE International, 2015-01-20

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  • Language: English
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About This Item

This SAE Standard defines the limits for a classification of engine lubricating oils in rheological terms only. Other oil characteristics are not considered or included. This revision continues the process of extending the SAE Engine Oil Viscosity Classification system to lower high-temperature high-shear-rate (HTHS) viscosities by adding two new high-temperature viscosity grades – SAE 12 and SAE 8 – to SAE J300 with minimum HTHS viscosities of 2.0 and 1.7 mPa•s respectively. The benefit of establishing new viscosity grades is to provide a framework for formulating lower HTHS engine oils in support of the ongoing quest of Original Equipment Manufacturers (OEMs) to improve fuel economy. The 100°C kinematic viscosity (KV100) ranges of the new viscosity grades overlap to provide adequate formulating space for these grades. How to assign a single high-temperature viscosity grade to an engine oil with KV100 in the overlap regions is covered in Section 6 of this document.
SKU: 85cd28d141ba

  • Publication Date: 2015-01-20
  • Standard Status: historical
  • Publisher: SAE International
  • Document Type: Ground Vehicle Standard
  • Subject: Test procedures, Lubricating oils, Lubricant viscosity, Engine lubricants, Quality assurance, Materials properties, , ,
  • Official SAE: Doi link

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