ASTM D964-03(2020)

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: D964 −03 (Reapproved 2020)
Standard Specification for
Metallic Copper Powder for Use in Antifouling Paints
This standard is issued under the fixed designation D964; 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 3. Composition
1.1 This specification covers copper powder for use in 3.1 The pigment shall consist essentially of finely divided
antifouling paints. copper metal and shall conform to the following requirements:
1.2 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
Copper, min, (Percent) 99
Coarse particles, 325 Mesh, max, (Percent) 1.0
and are not considered standard.
1.3 This international standard was developed in accor-
4. Sampling
dance with internationally recognized principles on standard-
4.1 Two samples shall be taken at random from different
ization established in the Decision on Principles for the
packages from each lot, batch, day’s pack, or other unit of
Development of International Standards, Guides and Recom-
production in a shipment. When no markings distinguishing
mendations issued by the World Trade Organization Technical
between units of production appear, samples shall be taken
Barriers to Trade (TBT) Committee.
from different packages in the ratio of two samples for each 10
2. Referenced Documents
000 lb (5000 kg), except that for shipments of less than 10 000
lb two samples shall be taken. At the option of the purchaser,
2.1 ASTM Standards:
the samples may be tested separately or after blending in equal
D185 Test Methods for Coarse Particles in Pigments
quantities the samples from the same production unit to form a
D283 Test Methods for Chemical Analysis of Cuprous
composite sample.
Oxide and Copper Pigments
5. Test Methods
This specification is under the jurisdiction of ASTM C
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