ISO 13511:2025

Petroleum products and lubricants — Rheological properties of lubricating greases — Determination of the consistency of greases with metal soap thickener by an oscillatory rheometer with a cone/plate measuring system

Publication date:   Mar 19, 2025

General information

60.60   Standard published   Mar 19, 2025

ISO

ISO/TC 28 Petroleum and related products, fuels and lubricants from natural or synthetic sources

International Standard

75.100   Lubricants, industrial oils and related products

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Scope

This document specifies a procedure to determine the consistency of a metal-saponified lubricating grease by an oscillatory rheometer.
This test method is applicable for fresh, as well as used, lubricating greases where only small quantities of the grease are present and the worked penetration that is usually used cannot be determined due to the small quantity.
The determined calibration is only valid for metal-saponified lubricating greases like lithium, lithium-calcium and, also, lithium- and calcium complex.
The method described in this document is applicable for lubricating greases with NLGI grades 00, 0, 1, 2 and 3 according to ISO 6743-99.

Life cycle

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PUBLISHED
ISO 13511:2025
60.60 Standard published
Mar 19, 2025