ASTM D520-00(2019)

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.
Designation:D520 −00(Reapproved 2019)
Standard Specification for
Zinc Dust Pigment
This standard is issued under the fixed designation D520; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 3. Composition and Properties
3.1 The pigments shall consist substantially of metallic zinc
1.1 This specification covers three types of zinc dust, for use
and shall conform to the requirements for composition pre-
as a pigment in paints.
scribed in Table 1.
1.2 The values stated in SI units are to be regarded as the
3.2 In such physical properties as are specified by the
standard. The values given in parentheses are for information
purchaser, the pigment shall satisfactorily match a reference
only.
sample mutually agreed upon between the purchaser and the
1.3 This international standard was developed in accor-
seller.
dance with internationally recognized principles on standard-
4. Sampling
ization established in the Decision on Principles for the
4.1 Two samples shall be taken at random from different
Development of International Standards, Guides and Recom-
packages from each lot, batch, day’s pack, or other unit of
mendations issued by the World Trade Organization Technical
production in a shipment. When no markings distinguishing
Barriers to Trade (TBT) Committee.
between units of production appear, samples shall be taken
from different packages in the ratio of two samples for each
2. Referenced Documents
5000 kg (10 000 lb), except that for shipments of less than
2.1 ASTM Standards:
5000 kg, two samples shall be taken. At the option of the
B214 Test Method for Sieve Analysis of Metal Powders
purchaser, the samples may be tested separately or after
D185 Test Methods for Coarse Particles in Pigments
blending in equal quantities the samples from the same
D521 Test Methods for Chemical Analysis of Zinc Dust
production unit to form a composite sample.
(Metallic Zinc Powder)
5. Test Methods
E40 Method for Chemical Analysis of Slab Zinc (Spelter)
(Withdrawn 1993)
5.1 Tests shall be conducted in accordance with the follow-
ing ASTM test methods. Test procedures not covered by these
ASTM test methods shall be mutually agreed upon between the
1 purchaser and the seller.
This specification is under the jurisdiction of ASTM Committee D01 on Paint
5.1.1 Total and Metallic Zinc—Test Methods D521.
and Related Coatings, Materials, andApplications and is the direct responsibility of
Subcommittee D01.31 on Pigment Specifications.
5.1.2 Lead, Cadmium, and Iron—Sections 8, 18.2, and 22,
Current edition approved May 1, 2019. Published May 2019. Originally
respective
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