ISO 2137:2020
Petroleum products and lubricants — Determination of cone penetration of lubricating greases and petrolatum
This document specifies several methods for the empirical estimation of the consistency of lubricating greases and petrolatum by measuring the penetration of a standardized cone.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Classifications, procedures and limitation
6 Apparatus
7 Sampling
8 Procedures for lubricating grease using full-scale methods
8.1 Procedure for unworked penetration
8.1.1 Preparation of test portion
8.1.2 Cleaning the cone and movable attachments
8.1.3 Penetration measurement
8.2 Procedure for worked penetration
8.2.1 Preparation of test sample
8.2.2 Preparation of test portion
8.2.3 Penetration measurement
8.3 Procedure for prolonged worked penetration
8.3.1 Preparation of apparatus and test portion
8.3.2 Penetration measurement
8.4 Procedure for block penetration
8.4.1 Preparation of test portion
8.4.2 Penetration measurement
8.4.3 Additional determinations
9 Procedures for lubricating grease using one-half-scale and one-quarter-scale cone method
9.1 General
9.2 Procedure for unworked penetration
9.2.1 Preparation of test portion
9.2.2 Cleaning cone and movable attachments
9.2.3 Penetration measurement
9.3 Procedure for worked penetration
9.3.1 Preparation of test sample
9.3.2 Preparation of test portion
9.3.3 Penetration measurement
10 Procedure for determining the cone penetration of petrolatum
10.1 Preparation of the test portion
10.2 Penetration measurement
11 Calculation
11.1 Calculation of full-scale penetration
11.2 Conversion to full-scale penetration for the one-half-scale and one-quarter-scale cones
11.2.1 General
11.2.2 One-quarter-scale cone
11.2.3 One-half-scale cone
12 Expression of results
13 Precision
13.1 General
13.2 Repeatability, r
13.3 Reproducibility, R
14 Test report
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Classifications, procedures and limitation
6 Apparatus
7 Sampling
8 Procedures for lubricating grease using full-scale methods
8.1 Procedure for unworked penetration
8.1.1 Preparation of test portion
8.1.2 Cleaning the cone and movable attachments
8.1.3 Penetration measurement
8.2 Procedure for worked penetration
8.2.1 Preparation of test sample
8.2.2 Preparation of test portion
8.2.3 Penetration measurement
8.3 Procedure for prolonged worked penetration
8.3.1 Preparation of apparatus and test portion
8.3.2 Penetration measurement
8.4 Procedure for block penetration
8.4.1 Preparation of test portion
8.4.2 Penetration measurement
8.4.3 Additional determinations
9 Procedures for lubricating grease using one-half-scale and one-quarter-scale cone method
9.1 General
9.2 Procedure for unworked penetration
9.2.1 Preparation of test portion
9.2.2 Cleaning cone and movable attachments
9.2.3 Penetration measurement
9.3 Procedure for worked penetration
9.3.1 Preparation of test sample
9.3.2 Preparation of test portion
9.3.3 Penetration measurement
10 Procedure for determining the cone penetration of petrolatum
10.1 Preparation of the test portion
10.2 Penetration measurement
11 Calculation
11.1 Calculation of full-scale penetration
11.2 Conversion to full-scale penetration for the one-half-scale and one-quarter-scale cones
11.2.1 General
11.2.2 One-quarter-scale cone
11.2.3 One-half-scale cone
12 Expression of results
13 Precision
13.1 General
13.2 Repeatability, r
13.3 Reproducibility, R
14 Test report
Bibliography