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ASTM D2218-67(2019)

(Specification)

Standard Specification for Molybdate Orange Pigments

Standard Specification for Molybdate Orange Pigments

ABSTRACT
This specification covers molybdate orange dry pigments made by chemical coprecipitation of lead chromate and lead molybdate, with or without admixtures of other insoluble lead compounds or other materials. Mixing the pigments with a white pigment should produce tints with required mass colors and characters. The dry pigments should be subjected to chemical analysis, The dry pigments should conform to the specified requirements for chromium content, molybdenum content, moisture and other volatile matter content, coarse particle content, water-soluble matter content, mass color and tinting strength, and resistance to loss of gloss, chalking, and color change.
SCOPE
1.1 This specification covers the pigment known as molybdate orange.  
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.  
1.3 The following hazard caveat applies to the test method portion of this specification only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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.

General Information

Status
Published
Publication Date
30-Sep-2019
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 D2218-67(2012) - Standard Specification for Molybdate Orange Pigments
Effective Date
01-Oct-2019
Refers
ASTM D822-23 - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
Effective Date
01-Dec-2023
Refers
ASTM D523-14 - Standard Test Method for Specular Gloss
Effective Date
01-Jan-2014
Refers
ASTM D126-87(2012) - Standard Test Methods for Analysis of Yellow, Orange, and Green Pigments Containing Lead Chromate and Chromium Oxide Green
Effective Date
01-Jun-2012
Refers
ASTM D1210-05(2010) - Standard Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage
Effective Date
01-Feb-2010
Refers
ASTM D523-08 - Standard Test Method for Specular Gloss
Effective Date
01-Jun-2008
Refers
ASTM D387-00(2008) - Standard Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller
Effective Date
01-Feb-2008
Refers
ASTM D523-89(2008) - Standard Test Method for Specular Gloss
Effective Date
01-Feb-2008
Refers
ASTM D185-07 - Standard Test Methods for Coarse Particles in Pigments
Effective Date
01-Jul-2007
Refers
ASTM D600-07 - Standard Specification for Liquid Paint Driers
Effective Date
01-Jun-2007
Refers
ASTM D235-02(2007) - Standard Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
Effective Date
01-Jun-2007
Refers
ASTM D822-01(2006) - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
Effective Date
01-Nov-2006
Refers
ASTM D126-87(2006) - Standard Test Methods for Analysis of Yellow, Orange, and Green Pigments Containing Lead Chromate and Chromium Oxide Green
Effective Date
01-Nov-2006
Refers
ASTM D1210-05 - Standard Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage
Effective Date
01-Mar-2005
Refers
ASTM D1210-96(2004) - Standard Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage
Effective Date
01-Jul-2004

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ASTM D2218-67(2019) - Standard Specification for Molybdate Orange PigmentsASTM D2218-67(2019) - Standard Specification for Molybdate Orange Pigments
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ASTM D2218-67(2019) - Standard Specification for Molybdate Orange Pigments
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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:D2218 −67 (Reapproved 2019)
Standard Specification for
Molybdate Orange Pigments
This standard is issued under the fixed designation D2218; 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 sures of Paint and Related Coatings
D1210 Test Method for Fineness of Dispersion of Pigment-
1.1 This specification covers the pigment known as molyb-
Vehicle Systems by Hegman-Type Gage
date orange.
E97 Method of Test for Directional Reflectance Factor,
1.2 The values stated in SI units are to be regarded as
45-Deg 0-Deg, of Opaque Specimens by Broad-Band
standard. The values given in parentheses are for information
Filter Reflectometry (Withdrawn 1991)
only.
2.2 Federal Specification:
1.3 The following hazard caveat applies to the test method
TT-R-266 Resin, Alkyd; Solutions
portion of this specification only. This standard does not
purport to address all of the safety concerns, if any, associated
3. Composition and Properties
with its use. It is the responsibility of the user of this standard
3.1 Dry Pigment—The pigment shall be a product made by
to establish appropriate safety, health, and environmental
the chemical coprecipitation of lead chromate and lead
practices and determine the applicability of regulatory limita-
molybdate, with or without admixtures of other insoluble
tions prior to use.
compounds of lead or other materials used in manufacture to
1.4 This international standard was developed in accor-
control certain properties. The pigment shall conform to the
dance with internationally recognized principles on standard-
requirements for chemical composition as prescribed in Table
ization established in the Decision on Principles for the
1.
Development of International Standards, Guides and Recom-
3.2 The mass color and character of the tint formed by a
mendations issued by the World Trade Organization Technical
mixture with a white pigment shall be the same as, and the
Barriers to Trade (TBT) Committee.
strength shall be within mutually agreed upon limits of a
standard acceptable to both the purchaser and the seller.
2. Referenced Documents
3.3 When mutually agreed upon between the purchaser and
2.1 ASTM Standards:
the seller as being essential to the end use of the pigment,
D126 Test Methods for Analysis of Yellow, Orange, and
resistance to loss of gloss, chalking, and color change shall be
Green Pigments Containing Lead Chromate and Chro-
tested as specified in 5.1.6. The exposed panel shall show no
mium Oxide Green
chalking, a loss of not more than 10 % of the original gloss,
D185 Test Methods for Coarse Particles in Pigments
and a color change difference of not more than three units.
D235 Specification for Mineral Spirits (Petroleum Spirits)
(Hydrocarbon Dry Cleaning Solvent)
4. Sampling
D387 Test Method for Color and Strength of Chromatic
Pigments with a Mechanical Muller
4.1 Two samples shall be taken at random from different
D523 Test Method for Specular Gloss
packages from each lot, batch, day’s pack, or other unit of
D600 Specification for Liquid Paint Driers
production in a shipment. When no markings distinguishing
D822 Practice for Filtered Open-Flame Carbon-Arc Expo-
between units of production appear, samples shall be taken
from different packages in the ratio of two samples for each
4540 kg (10 000 lb), except that for shipments of less than
This specification is under the jurisdiction of ASTM Committee D01 on Paint
10 000 lb two samples shall be taken. At the option of the
and Related Coatings, Materials, andApplications and is the direct responsibility of
purchaser, the samples may be tested separately, or samples
Subcommittee D01.31 on Pigment Specifications.
Current edition approved Oct. 1, 2019. Published October 2019. Originally
approved in 1963. Last previous edition approved in 2012 as D2218 – 67 (2012).
DOI: 10.1520/D2218-67R19. The last approved version of this historical standard is referenced on
For referenced ASTM standards, visit the ASTM website, www.astm.org, or www.astm.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
Standards volume information, refer to the standard’s Document Summary page on Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
the ASTM website. www.dodssp.daps.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D2218−67 (2019)
TABLE 1 Requirements for Chemical Composition
5.1.6 Resistance to Loss of Gloss, Chalking, and Color
% Change:
Min Max 5.1.6.1 Prepare a test enamel consisting of ingredients
Chromium (calculated as PbCrO ) 70 . conforming to the applicable specifications in the following
Molybdenum (calculated as PbMoO ) 8 .
proportions:
Total of all substances (including moisture and . 12
Ingredient Weight %
w
...

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ASTM  
Method  
Refer-  
Dry Pigments
Sections  
ences  
Moisture and Other Volatile Matter  
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Coarse Particles  
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Moisture and Other Volatile Matter  
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