ASTM D83-84(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: D83 −84 (Reapproved 2020)
Standard Specification for
Red Lead Pigment
This standard is issued under the fixed designation D83; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
True red lead (Pb O ), min, %:
3 4
85 % grade 85
1.1 This specification covers four grades of red pigment
95 % grade 95
commercially known as red lead. The pigment may be pur- 97 % grade 97
98 % grade 98
chased in the dry form or as a paste in oil.
Total impurities including moisture, water soluble 1.0
matter, and matter insoluble in a mixture of
1.2 The values stated in inch-pound units are to be regarded
nitric acid and hydrogen peroxide, max, %
as standard. The values given in parentheses are mathematical
Lead monoxide, PbO remainder
conversions to SI units that are provided for information only
Coarse particles (total residue retained on a 45-µm 1.0
(No. 325) sieve), max, %
and are not considered standard.
Whenmixedasindicatedinthefollowingtable,theresulting
1.3 This international standard was developed in accor-
paint, brushed on a smooth vertical iron surface, shall dry hard
dance with internationally recognized principles on standard-
and elastic without running, streaking, or sagging:
ization established in the Decision on Principles for the
Dry red lead 20 lb (9.1 kg)
Development of International Standards, Guides and Recom-
Raw linseed oil 5 pt (2.4 L)
mendations issued by the World Trade Organization Technical
Turpentine 2 gills (0.24 L)
Barriers to Trade (TBT) Committee.
Liquid drier 2 gills (0.24 L)
3.2 Paste in Oil—The paste shall be made by thoroughly
2. Referenced Documents
grinding the specified pigment with linseed oil (Note 1). The
2.1 ASTM Standards:
paste as shipped by the seller, and for three months thereafter,
D49 Test Methods of Chemical Analysis of Red Lead
shall not be caked in the container, and shall break up readily
D185 Test Methods for Coarse Particles in Pigments
inoiltoformasmoothpaintofbrushingconsistency.Thepaste
D1208 Test Methods for Common Properties of Certain
shall conform to the following requirements:
Pigments
Pigment, % 92 to 94
Linseed oil, % 6.0 to 8.0
3. Composition and Properties Moisture and other volatile matter, max, % 0.5
Coarse particles and skins (total residue retained on 1.5
3.1 Dry Pigment—The pigment shall be made by roasting
a No. 325 (45-µm) sieve), max, % of the dry pigment
litharge or metallic lead, or compounds of lead that yield
Whenmixedasindicatedinthefollowingtable,theresulting
litharge by heating, and shall consist entirely of oxides of lead,
paint, brushed on a smooth, vertical iron surface, shall dry hard
free of adulterants. The four grades of pigment shall conform
and elastic without running, streaking, or sagging:
to the following requirements:
Red lead paste 20 lb (9.1 kg)
Raw linseed oil 3 pt (1.4 L)
Turpentine 2 gills (0.24 L)
This specification is under the jurisdiction of ASTM Committee D01 on Paint Liquid drier 2 gills (0.24 L)
and Related Coatings, Materials, andApplications and is the direct responsibility of
NOTE 1—The storage of paste red lead in places of high temperature
Subcommittee D01.31 on Pigment S
...