ASTM D81-87(2008)e1

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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´1
Designation:D81 −87(Reapproved 2008)
Standard Specification for
Basic Carbonate White Lead Pigment
This standard is issued under the fixed designation D81; 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.
ε NOTE—The units statement in subsection 1.2 was corrected editorially in July 2008.
1. Scope not be caked in the container and shall break up readily in oil
to form a smooth paint of brushing consistency.The paste shall
1.1 This specification covers the material commercially
conform to the following requirements:
known as basic carbonate white lead, used as a pigment and in
Pigment, min, % 89
putty. The pigment may be purchased in the dry form or as a
Linseed oil, max, % 11
paste in oil.
Moisture and other volatile matter, max, % 0.7
Coarse particles and skins (total residue retained on a 1.5
1.2 The values stated in inch-pound units are to be regarded
No. 325 (45-µm) sieve), max, % of the dry
as standard. The values given in parentheses are mathematical
pigment
conversions to SI units that are provided for information only
3.3 Semipaste Containing Volatile Thinner—The semipaste
and are not considered standard.
shall be made by thoroughly grinding the specified pigment
with a mixture of linseed oil and a small amount of volatile
2. Referenced Documents
thinner. The semipaste shall not be caked in the container and
2.1 ASTM Standards:
shall be readily stirred to a uniform mixture which shall mix
D185 Test Methods for Coarse Particles in Pigments
readilywithoil,turpentine,orvolatilepetroleumspiritstoform
D280 Test Methods for Hygroscopic Moisture (and Other
a smooth paint of brushing consistency. The odor of the
Matter Volatile Under the Test Conditions) in Pigments
semipaste, as taken from the container, while drying or after
D1208 Test Methods for Common Properties of Certain
drying, shall be not abnormally pungent or disagreeable. The
Pigments
semipaste shall conform to the following requirements:
D1301 Test Methods for Chemical Analysis of White Lead
Pigment, min, % 87.5
Pigments
Linseed oil, max, % 10.5
A
Moisture and other volatile matter, % 1.5to3.0
3. Composition and Properties
Moisture, max, % 0.7
Coarse particles and skins (total residue retained 1.5
3.1 Dry Pigment—The pigment shall be free of adulterants
on a No. 325 (45-µm) sieve), max, % of the
and shall contain not more than traces of impurities incident to
dry pigment
well-controlled manufacture of high-grade basic carbonate
A
The volatile matter shall be turpentine, volatile petroleum spirits, or any mixture
white lead. The pigment shall conform to the following
thereof.
requirements:
3.4 The color and color strength, when specified, shall be
Lead carbonate, % 62 to 75
Moisture and other volatile matter, max, % 0.7
within mutually agreed upon limits of a standard acceptable to
Total other impurities, max, % 1.0
both the purchaser and the seller.
Coarse particles (total residue retained on a No. 1.0
325 (45-µm) sieve), max, %
4. Sampling
3.2 Paste in Oil—The paste shall be made by thoroughly
grinding the specified pigment with linsee
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