ASTM D1264-03

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An American National Standard
Designation: D 1264 – 03
Standard Test Method for
Determining the Water Washout Characteristics of
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Lubricating Greases
This standard is issued under the fixed designation D 1264; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope* 5. Apparatus
1.1 This test method covers the evaluation of the resistance 5.1 Ball Bearing, ASTM test bearing size 6204 (see
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of a lubricating grease to washout by water from a bearing, ADJD3336).
when tested at 38 and 79°C (100 and 175°F) under the 5.2 Bearing Housing and Shield with dimensions as shown
prescribed laboratory conditions. It is not to be considered the in Fig. 1.
equivalent of service evaluation tests. This test method may not 5.3 Reservoir, Bearing-Housing Mount, Circulating Pump,
be suitable for some greases containing highly volatile com- and Drive Motor, similar or equivalent to those shown in Fig.
ponents. 1. Table 1 provides the metric equivalents.
1.2 The values state in SI units are to be regarded as the 5.4 Heating Source, to maintain the water temperature at 79
standard. The values given in parentheses are for information 6 1.7°C (175 6 3°F).
only.
NOTE 1—Suitable temperature control may be obtained by the use of
1.3 This standard does not purport to address all of the
immersion heaters, steam coils, or infrared heat lamps, in conjunction with
safety concerns, if any, associated with its use. It is the
transformers or thermostats.
responsibility of the user this standard to establish appropriate
5.5 Thermometer or Thermocouple, to determine the tem-
safety and health practices and determine the applicability of
perature of the water reservoir.
regulatory limitations prior to use. For specific warning
statements, see 6.3.
6. Materials and Reagents
6.1 Purity of Reagents—Reagent grade chemicals shall be
2. Referenced Documents
used in all tests. Unless otherwise indicated, it is intended that
2.1 ASTM Adjuncts:
all reagents shall conform to the specifications of the commit-
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ADJD3336 Standard Ball Bearing
tee on Analytical Reagents of the American Chemical Society,
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where such specifications are available. Other grades may be
3. Summary of Test Method
used, provided it is first ascertained that the reagent is of
3.1 The grease is packed into a ball bearing, the bearing is
sufficiently high purity to permit its use without lessening the
then inserted in a housing with specified clearances, and
accuracy of the determination.
rotated at 600 6 30 rpm. Water, controlled at the specified test
6.2 Distilled Water.
temperature, impinges on the bearing housing at a rate of 5 6
6.3 Cleaning Solvent—Capable of sufficiently cleaning the
0.5 mL/s. The amount of grease washed out in 60 6 1 min is
test bearing for use in the test. Either reagent grade Stoddard
a measure of the resistance of the grease to water washout.
solvent, also known as Mineral Spirits, (Warning—
Combustible. Vapor harmful), or American Chemical Society
4. Significance and Use
4.1 This test method estimates the resistance of greases to
water washout from ball bearings under conditions of the test.
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This apparatus is available from the Precision Scientific Co., 3737 Cortland St.,
No correlation with field service has been established.
Chicago, IL, Labline, Inc., 3072-82 W. Grant Ave., Chicago, IL, 60622 as Catalog
No. 4165, and Stanhope-Seta Limited, Park Close, Englefield Green, Egham,
Surrey, England, TW20 OXD as Catalog No. 1961.
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Supporting data have been filed at ASTM International Headquarters and may
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This test method is under the jurisdiction of ASTM Committee D02 on be obtained by requesting Research Report RR: D02-1272.
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Petroleum Products and Lubricants and is the direct responsibility of Subcommittee Reagent Chemicals, American Chemical Society Specifications, American
D02.G0 on Lubricating Grease. Chemical Society, Washington, DC. For suggestions on the testing of reagents not
Current edition approved June 10, 2003. Published July 2003. Originally listed by the American Chemical Society, see Annual Standards for Laboratory
approved in 1953. Last previous edition approved in 2000 as D 1264–00. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
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The ball bearing has been standardized by Committee D02. Available from and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
ASTM International Headquarters. Order Adjunct No. ADJD3336. MD.
*A Summary of Changes section appears at the end of this standard.
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