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ASTM D763-06(2019)

(Specification)

Standard Specification for Raw and Burnt Umber Pigments

Standard Specification for Raw and Burnt Umber Pigments

ABSTRACT
This specification covers raw and burnt umber pigments. The pigments could be in a dry or paste in oil form. Dry pigments should conform to the composition requirements for iron oxide content, calcium compound content, moisture and other volatile matter content, coarse particle content, and organic color content. Raw umber dry pigments should be in a soft, dry form and made from a hydrated iron oxide permeating a siliceous base and free of admixtures. Burnt umber dry pigments should be produced by raw amber calcination and free of admixtures. Paste in oil pigments should conform to the specified pigment content, nonvolatile vehicle content, moisture by distillation content, and coarse particle and skin content. Both raw and burnt umber paste in oil pigments should be made by thoroughly grinding the pigment with linseed oil with a small amount of wetting or dispersing agents.
SCOPE
1.1 This specification covers the pigments commercially known as raw umber and burnt umber.  
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3 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
31-May-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 D763-06(2012) - Standard Specification for Raw and Burnt Umber Pigments
Effective Date
01-Jun-2019
Refers
ASTM D1208-96(2019) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Jun-2019
Refers
ASTM D1208-96(2012) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Nov-2012
Refers
ASTM D280-01(2012) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
01-Nov-2012
Refers
ASTM D50-90(2011) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
Effective Date
01-Jun-2011
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 D185-07 - Standard Test Methods for Coarse Particles in Pigments
Effective Date
01-Jul-2007
Refers
ASTM D1208-96(2007) - Standard Test Methods for Common Properties of Certain Pigments
Effective Date
01-Jun-2007
Refers
ASTM D280-01(2007) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
01-Feb-2007
Refers
ASTM D50-90(2005) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
Effective Date
01-Sep-2005
Refers
ASTM D280-81(1995) - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
10-May-2001
Refers
ASTM D280-01 - Standard Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
Effective Date
10-May-2001
Refers
ASTM D387-00 - Standard Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller
Effective Date
10-Jun-2000
Refers
ASTM D50-90(1999) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
Effective Date
10-May-1999
Refers
ASTM D185-84(1999) - Standard Test Methods for Coarse Particles in Pigments, Pastes, and Paints
Effective Date
10-May-1999

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ASTM D763-06(2019) - Standard Specification for Raw and Burnt Umber PigmentsASTM D763-06(2019) - Standard Specification for Raw and Burnt Umber Pigments
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ASTM D763-06(2019) - Standard Specification for Raw and Burnt Umber Pigments
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Standards Content (Sample)


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:D763 −06 (Reapproved 2019)
Standard Specification for
Raw and Burnt Umber Pigments
This standard is issued under the fixed designation D763; 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 substancesexceptcarbonpigments.Thepigmentshallconform
to the requirements for composition prescribed in Table 1.
1.1 This specification covers the pigments commercially
3.1.2 Burnt Umber—The pigment shall be produced by the
known as raw umber and burnt umber.
calcination of raw umber and shall be free of admixtures of
1.2 The values stated in SI units are to be regarded as the
other substances except carbon pigments. The pigment shall
standard. The values given in parentheses are for information
conform to the requirements for composition prescribed in
only.
Table 1.
1.3 This international standard was developed in accor-
3.2 PasteinOil—Forbothrawandburntumber,thepastein
dance with internationally recognized principles on standard-
oil shall be made by thoroughly grinding the pigment with
ization established in the Decision on Principles for the
linseed oil (with or without a small amount of volatile thinner)
Development of International Standards, Guides and Recom-
together with (where necessary) small amounts of wetting or
mendations issued by the World Trade Organization Technical
dispersing agents to produce a paste or semipaste of satisfac-
Barriers to Trade (TBT) Committee.
tory consistency. As received, it shall not be caked in the
container and shall break up readily in linseed oil to form a
2. Referenced Documents
smooth paint of brushing consistency. It shall mix readily in all
2.1 ASTM Standards:
proportions, without curdling, with linseed oil, turpentine, or
D50 Test Methods for ChemicalAnalysis ofYellow, Orange,
volatile petroleum spirits, or any mixture of these substances.
Red, and Brown Pigments Containing Iron and Manga-
The paste shall conform to the following requirements:
nese
Pigment, min, % 55
D185 Test Methods for Coarse Particles in Pigments
Nonvolatile vehicle, min, % 80
Moisture by distillation, max, % 2.0
D280 Test Methods for Hygroscopic Moisture (and Other
Coarse particles and skins (total residue retained on a 1.0
Matter Volatile Under the Test Conditions) in Pigments
No. 325 (45-µm sieve), max, % of dry pigment
D387 Test Method for Color and Strength of Chromatic
3.3 The mass color and character of the tint and the tinting
Pigments with a Mechanical Muller
strength formed by a mixture with a white pigment shall be
D1208 Test Methods for Common Properties of Certain
within mutually agreed upon limits of a standard acceptable to
Pigments
both the purchaser and the seller.
3. Composition and Properties
4. Sampling
3.1 Dry Pigments—The pigments shall conform to the
4.1 Two samples shall be taken at random from different
following requirements:
packages from each lot, batch, day’s pack, or other unit of
3.1.1 Raw Umber—The pigment shall be in a soft, dry form
production in a shipment. When no markings distinguishing
and shall be a hydrated oxide of iron (together with such
between units of production appear, samples shall be taken
manganese that is naturally associated with it) permeating a
fro
...

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ASTM  
Method  
Refer-  
Dry Pigments
Sections  
ences  
Moisture and Other Volatile Matter  
6  
D280  
Loss on Ignition  
7  
Coarse Particles  
8  
D185  
Matter Soluble in Water  
9  
D1208  
Organic Coloring Matter  
10  
Iron Oxide  
11 and 12  
Calcium Compounds (Reported as CaO)  
13 and 14  
Sulfates Soluble in Hydrochloric Acid  
15 and 16  
Lead Chromate (in Ochers)  
17  
Calcium Carbonate (in Venetian Red)  
18  
C25  
Manganese (in Siennas and Umbers)  
19 and 20  
Pigment Pastes in Oil  
Pigment Content  
21  
D1208  
Moisture and Other Volatile Matter  
22  
D1208  
Nonvolatile Matter in Vehicle  
23  
Moisture by Distillation  
24  
D1208  
Coarse Particles and Skins  
25  
D185  
Consistency (Stormer)  
26  
D562  
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