Table of Contents

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation
8 Procedure
9 Referencing
10 Reporting of results
11 Precision
12 Test report
Bibliography

Abstract

This International Standard specifies a method of determining the shear stability of polymer-containing lubricating oils by the four-ball machine as specified in ISO 20623, but using a tapered roller bearing.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 28
Supersedes	ISO 26422 : 2011 ISO/DIS 26422 : 60.00 (2014)