Standard Specification for Zinc Dust Pigment

ABSTRACT
This specification covers three types of zinc dust, for use as a pigment in paints. The pigments shall consist substantially of metallic zinc and shall conform to the requirements for composition prescribed. The total and metallic zinc shall be shall be tested to meet the requirements prescribed. Lead, cadmium, and iron shall be tested to meet the requirements prescribed. Oily or fatty matter, or both shall, and the coarse particle shall be tested to meet the requirements prescribed.
SCOPE
1.1 This specification covers three types of zinc dust, for use as a pigment in paints.  
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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Publication Date
31-May-2011
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ASTM D520-00(2011) - Standard Specification for Zinc Dust Pigment
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D520 −00(Reapproved 2011)
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 Department of Defense.
1. Scope 3.2 In such physical properties as are specified by the
purchaser, the pigment shall satisfactorily match a reference
1.1 This specification covers three types of zinc dust, for use
sample mutually agreed upon between the purchaser and the
as a pigment in paints.
seller.
1.2 The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
4. Sampling
only.
4.1 Two samples shall be taken at random from different
packages from each lot, batch, day’s pack, or other unit of
2. Referenced Documents
production in a shipment. When no markings distinguishing
2.1 ASTM Standards:
between units of production appear, samples shall be taken
B214 Test Method for Sieve Analysis of Metal Powders
from different packages in the ratio of two samples for each
D185 Test Methods for Coarse Particles in Pigments
5000 kg (10 000 lb), except that for shipments of less than
D521 Test Methods for Chemical Analysis of Zinc Dust
5000 kg, two samples shall be taken. At the option of the
(Metallic Zinc Powder)
purchaser, the samples may be tested separately or after
E40 Method for Chemical Analysis of Slab Zinc (Spelter)
blending in equal quantities the samples from the same
(Withdrawn 1993)
production unit to form a composite sample.
3. Composition and Properties
5. Test Methods
3.1 The pigments shall consist substantially of metallic zinc
5.1 Tests shall be conducted in accordance with the follow-
and shall conform to the requirements for composition pre-
ing ASTM test methods. Test procedures not covered by these
scribed in Table 1.
ASTM test methods shall be mutually agreed upon between the
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
5.1.2 Lead, Cadmium, and Iron—Sections 8, 18.2, and 22,
Subcommittee D01.31 on Pigment Specifications.
Current edition approved June 1, 2011. Published June 2011. Originally
respectively, of Test Methods E40.
approved in 1939. Last previous edition approved in 2005 as D520 – 00 (2005).
5.1.3 Oily or Fatty Matter, or Both—Test Methods D521.
DOI: 10.1520/D0520-00R11.
5.1.4 CoarseParticles—Te
...

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