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ASTM

ASTM D520-00(2005)

(Specification)

Standard Specification for Zinc Dust Pigment

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.

General Information

Status
Historical
Publication Date
14-May-2005
ICS
87.060.10 - Pigments and extenders
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.31 - Pigment Specifications
Current Stage
Ref Project

Relations

Replaces
ASTM D520-00 - Standard Specification for Zinc Dust Pigment
Effective Date
15-May-2005
Replaced By
ASTM D520-00(2011) - Standard Specification for Zinc Dust Pigment
Effective Date
01-Jun-2011

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ASTM D520-00(2005) - Standard Specification for Zinc Dust PigmentASTM D520-00(2005) - Standard Specification for Zinc Dust Pigment
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ASTM D520-00(2005) - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 2005)
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.
TABLE 1 Requirements for Composition
1. Scope
Type I Type II Type III
1.1 Thisspecificationcoversthreetypesofzincdust,foruse
Total zinc, calculated as Zn, min, % 97.5 98.0 99.0
as a pigment in paints.
Metallic zinc, min, % 94.0 94.0 96.0
1.2 The values stated in SI units are to be regarded as the
Material other than metallic zinc, ZnO,
standard. The values given in parentheses are for information
and admixed CaO, where applicable
max % 0.75 . .
only.
Calcium, calculated as CaO, max, % 0.7 0.7 .
Lead, calculated as Pb, max, % . 0.01 0.002
2. Referenced Documents
Iron, calculated as Fe, max, % . 0.02 0.002
Cadmium, calculated as Cd, max, % . 0.01 0.001
2.1 ASTM Standards:
Chlorine, calculated as Cl, max, % . 0.01 .
B214 Test Method for Sieve Analysis of Metal Powders
Sulfur, calculated as SO , max, % . 0.01 .
D185 Test Methods for Coarse Particles in Pigments
Moisture and other volatile matter, max, %
0.10 0.10 0.10
D521 Test Methods for Chemical Analysis of Zinc Dust
Oily or fatty matter, or both, max, % . 0.05 .
(Metallic Zinc Powder)
Zinc oxide (ZnO), max, % 6.0 remainder remainder
E40 Test Method for Chemical Analysis of Slab Zinc
Coarse particles, max, %:
Total residue retained on a 150-µm none 0.1 0.1
(Spelter)
(No. 100) sieve
Total residue retained on a 75-µm . 0.8 0.8
3. Composition and Properties
(No. 200) sieve
Total residue retained on a 45-µm 4.0 3.0 3.0
3.1 The pigments shall consist substantially of metallic zinc
(No. 325) sieve
and shall conform to the requirements for composition pre-
scribed in Table 1.
3.2 In such physical properties as are specified by the
from different packages in the ratio of two samples for each
purchaser, the pigment shall satisfactorily match a reference
5000 kg (10 000 lb), except that for shipments of less than
sample mutually agreed upon between the purchaser and the
5000 kg, two samples shall be taken. At the option of the
seller.
purchaser, the samples may be tested separately or after
blending in equal quantities the samples from the same
4. Sampling
production unit to form a composite sample.
4.1 Two samples shall be taken at random from different
packages from each lot, batch, day’s pack, or other unit of
5. Test Methods
production in a shipment. When
...

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ASTM  
Method  
Refer-  
Dry Pigments
Sections  
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