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ASTM D8022-15

(Test Method)

Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)

Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)

SIGNIFICANCE AND USE
5.1 It is known that contamination by water can affect the structural stability of some greases in service. The test procedure specified in this method is widely used to determine the wet structural stability of greases in service. Many grease specifications require this procedure as a wet structural stability test. No accurate correlation is established between the test results and wet structural stability of grease in actual service.
SCOPE
1.1 This test method covers a procedure for determining the roll stability of lubricating grease in the presence of water (wet roll stability) by using a roll stability test apparatus.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
14-Dec-2015
ICS
75.100 - Lubricants, industrial oils and related products
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.G0.02 - Consistency and Related Rheological Tests
Current Stage
Ref Project

Relations

Replaced By
ASTM D8022-20 - Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)
Effective Date
01-Jun-2020

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ASTM D8022-15 - Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)ASTM D8022-15 - Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)
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ASTM D8022-15 - Standard Test Method for Roll Stability of Lubricating Grease in Presence of Water (Wet Roll Stability Test)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D8022 − 15
Standard Test Method for
Roll Stability of Lubricating Grease in Presence of Water
1
(Wet Roll Stability Test)
This standard is issued under the fixed designation D8022; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope synonymously with penetration. Generally, consistency refers
to the worked penetration of a grease. D4175
1.1 This test method covers a procedure for determining the
3.1.2 lubricating grease, n—semi-fluid to solid product of a
roll stability of lubricating grease in the presence of water (wet
dispersion of a thickener in a liquid lubricant.
roll stability) by using a roll stability test apparatus.
3.1.2.1 Discussion—The dispersion of the thickener forms a
1.2 The values stated in SI units are to be regarded as
two-phase system and immobilizes the liquid lubricant by
standard. No other units of measurement are included in this
surface tension and other physical forces. Other ingredients are
standard.
commonly included to impart special properties. D217
1.3 This standard does not purport to address all of the
3.1.3 wet roll stability, n—of lubricating grease, change in
safety concerns, if any, associated with its use. It is the
consistency of a mixture of sample and small amount of water
responsibility of the user of this standard to establish appro-
after a specified amount of rolling in a roll stability test
priate safety and health practices and determine the applica-
apparatus.
bility of regulatory limitations prior to use.
4. Summary of Test Method
2. Referenced Documents
4.1 Agrease sample mixed with a small amount of water is
2
2.1 ASTM Standards:
subjected to low shear at 20 °C to 35 °C for a specified time in
D217 Test Methods for Cone Penetration of Lubricating
a roll stability apparatus. The difference between the cone
Grease
penetration before working and the cone penetration after is
D1193 Specification for Reagent Water
used as a measure of the wet roll stability of the grease.
D1403 Test Methods for Cone Penetration of Lubricating
Grease Using One-Quarter and One-Half Scale Cone
5. Significance and Use
Equipment
5.1 It is known that contamination by water can affect the
D1831 Test Method for Roll Stability of Lubricating Grease
structural stability of some greases in service. The test proce-
D4057 Practice for Manual Sampling of Petroleum and
dure specified in this method is widely used to determine the
Petroleum Products
wet structural stability of greases in service. Many grease
D4175 Terminology Relating to Petroleum Products, Liquid
specificationsrequirethisprocedureasawetstructuralstability
Fuels, and Lubricants
test. No accurate correlation is established between the test
results and wet structural stability of grease in actual service.
3. Terminology
6. Apparatus
3.1 Definitions:
3.1.1 consistency, n—of lubricating grease, degree of resis-
6.1 Roll Stability Test Apparatus, as specified in Test
tance to movement under stress.
Method D1831.
3.1.1.1 Discussion—Thetermconsistencyisusedsomewhat
6.2 Penetrometer and/or One-quarter or One-half Scale
Cone and Shaft, as specified in Test Methods D1403.
1 6.3 One-quarter or One-half Scale Cup and Worker, as
This test method is under the jurisdiction of ASTM Committee D02 on
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
described in Test Methods D1403.
Subcommittee D02.G0.02 on Consistency and Related Rheological Tests.
6.4 Spatula, with a blade longer than 150 mm.
Current edition approved Dec. 15, 2015. Published February 2016. DOI:
10.1520/D8022-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 7. Reagents and Materials
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
7.1 Appropriate Volatile Gum-Free Solvent, for example,
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. mineral spirits.
Copyright ©ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959. United States
1

---------------------- Page: 1 ----------------------
D8022 − 15
3
7.2 Cloth or Paper Wiper, for wiping grease from the 11. Precision and Bias
penetrometer cone. The wiper should be soft, so as not to
11.1 Precision—The precision of this test method as deter-
scratch the surface of the cone.
minedbyastatisticalexaminationofinterlaboratorytestresults
7.3 Distilled Water, Specification D1193, Type II minimum shown in Table 1.Their round robin samples are listed in Table
purity. 2.
11.1.1 Repeatability—The difference between successive
8. Procedure
results obtained
...

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ASTM D6792-23c(Practice)
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4.1 A petroleum products, liquid fuels, and lubricants testing laboratory plays a crucial role in product quality management and customer satisfaction. It is essential for a laboratory to provide quality data. This document provides guidance for establishing and maintaining a quality management system in a laboratory.  
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5.1 The bromine number is useful as a measure of aliphatic unsaturation in petroleum samples. When used in conjunction with the calculation procedure described in Annex A2, it can be used to estimate the percentage of olefins in petroleum distillates boiling up to approximately 315 °C (600 °F).  
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1.1 This test method3 covers the determination of the bromine number of the following materials:  
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5.1 The low-temperature, low-shear-rate viscosity of automatic transmission fluids, gear oils, torque and tractor fluids, and industrial and automotive hydraulic oils (see Appendix X4) are of considerable importance to the proper operation of many mechanical devices. Measurement of the viscometric properties of these oils and fluids at low temperatures is often used to specify their acceptance for service. This test method is used in a number of specifications.  
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1.4.2 The viscosity data used for Procedure D precision study was from 6400 mPa·s to 256 000 mPa·s at test temperatures of –26 °C and –40 °C.  
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5.1 This test simulates a type of severe field service in which corrosion-promoting moisture in the form of condensed water vapor accumulates in the axle assembly. This may happen as a result of volume expansion and contraction of the axle lubricant and the accompanied breathing in of moisture-laden air through the axle vent. The test screens lubricants for their ability to prevent the expected corrosion.  
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5.1 Periodic sampling and analysis of lubricants have long been used as a means to determine overall machinery health. Atomic emission (AE) and atomic absorption (AA) spectroscopy are often employed for wear metal analysis (for example, Test Method D5185). A number of physical property tests complement wear metal analysis and are used to provide information on lubricant condition (for example, Test Methods D445, D2896, and D6304). Molecular analysis of lubricants and hydraulic fluids by FT-IR spectroscopy produces direct information on molecular species of interest, including additives, fluid breakdown products and external contaminants, and thus complements wear metal and other analyses used in a condition monitoring program (1, 2-6).
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1.3 Spectra and distribution profiles presented herein are for illustrative purposes only and are not to be construed as representing or establishing lubricant or machinery guidelines.  
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1.4 The several reference elastomer formulations specified in this test method were chosen to be representative of those used in both heavy-duty diesel engines (detailed in Annex A1) and passenger-car spark-ignition engines (the latter are covered in Annex A2). The procedures described in this test method can, however, also be used to evaluate the compatibility of automotive engine oils with different elastomer types/formulations or different test durations and temperatures to those employed in this test method.
Note 2: In such cases, the precision and bias statement in Section 12 does not apply. In addition to agreeing acceptable limits of precision, where relevant, the user and supplier should also agree:  (1) test temperatures and immersion times to be used; (2) the formulations and typical properties of the elastomers; and (3) the sourcing and quality control of the elastomer sheets.
Note 3: The TMC may also issue In...

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1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3.1 Exception—The exception to this will be where units of references were developed by the developers of the test equipment and necessary to report the results of the test.  
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D7922-23(Test Method)
Standard Test Method for Determination of Glycol for In-Service Engine Oils by Gas Chromatography

SIGNIFICANCE AND USE
5.1 Some glycol/antifreeze dilution of in-service engine oil is normal under typical operating conditions. However, excessive glycol dilution can lead to decreased performance, premature wear, or sudden engine failure. This test method provides a means of quantifying the level of glycol based antifreeze dilution, allowing the user to take necessary action.
SCOPE
1.1 This test method covers the determination of glycol based antifreeze for in-service engine oil by derivative headspace/gas chromatography.  
1.2 Sample is derivatized in-situ directly in a headspace sampling vial prior to vapor phase extraction and injection into a gas chromatograph.  
1.3 The chemistry of the derivatization is unique to the detection of the molecules of ethylene glycol and 1,2-propylene glycol. 1,3-propylene glycol could also be detected but is not used in any known anti-freeze at this time. Other coolant analyses are beyond the scope of this test method.  
1.4 The derivatization process does not affect glycol breakdown products such as glycolate and formate and hence the presence of these compounds in the oil will not be quantified.  
1.5 The test method concentration range is from 50 µg/g to 1000 µg/g. Lower levels are possible by method modifications. Higher levels are possible through sample dilution.  
1.6 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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