THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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Day: April 24, 2017

Results in on Four API CK-4 Diesel Engine Oils

The results are in on the first four samples of diesel engine oil PQIA observed in the market labeled with the new API CK-4 performance specification. Each of the samples examined meet the SAE J300 specification for an SAE 15W-40 along with the phosphorus and Noack volatility requirements needed to meet the new API CK-4… Read More ›

PQIA Enhances Website to Include User Friendly Search and Sort Features

Visitors to the PQIA website can now search and sort PQIA’s sample database by brand, date of sample, SAE viscosity grade, API Service Category, and the PQIA Sample Assessments. The search feature also provides a direct link to the analysis reports for each of the samples tested by PQIA. The following is a Quick Start… Read More ›