ASTM D1603-01

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D 1603 – 01
Standard Test Method for
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Carbon Black In Olefin Plastics
This standard is issued under the fixed designation D 1603; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3. Terminology
1.1 This test method covers the determination of the carbon 3.1 Definitions—For definitions of technical terms pertain-
black content in polyethylene, polypropylene, and polybuty- ing to plastics used in this specification, see Terminology
lene plastics. Its use with acrylic or other polar monomer D 883.
modifications which might affect the accuracy is not recom-
4. Significance and Use
mended. Determinations of carbon black are made gravimetri-
4.1 The information provided by this test method is useful
cally after pyrolysis of the sample under nitrogen. This test
method is not applicable to compositions that contain nonvola- for control purposes and is required for calculation of optical
absorptivity.
tile pigments or fillers other than carbon black.
1.1.1 This test method is not applicable to materials con-
5. Apparatus
taining brominated flame retardant additives at the end.
5.1 Electric Furnace, at least 20 cm (7.9 in.) long suitable
1.2 The values stated in SI units are to be regarded as the
for use with the tubing described in 5.2.
standard. The values in parentheses are given for information
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5.2 High Temperature Glass Combustion Tube, of appro-
only.
priate diameter and approximately twice as long as the furnace
1.3 This standard does not purport to address all of the
described in 5.1.
safety concerns, if any, associated with its use. It is the
5.3 Stoppers—Two rubber or neoprene stoppers, to fit the
responsibility of the user of this standard to establish appro-
tube described in 5.2, unless the tube is fitted with ground
priate safety and health practices and determine the applica-
joints and mating connectors.
bility of regulatory limitations prior to use.
5.4 Glass Tubing, approximately 10 mm (0.39 in.) in
NOTE 1—This test method is similar to ISO 6964-1986(E) in title only.
diameter, of sufficient amount, and matching rubber or plastic
The technical content is significantly different.
tubing for connections.
5.5 Combustion Boat, approximately 8 by 1.9 by 1.3 cm
2. Referenced Documents
(3.15 by 0.75 by 0.51 in.). Glazed porcelain, quartz high-silica
2.1 ASTM Standards:
2 glass, or platinum is suitable.
D 883 Terminology Relating to Plastics
E 177 Practice for Use of the Terms Precision and Bias in
NOTE 2—A loose-fitting cover for the combustion boat is optional. If
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ASTM Test Methods used, it shall be considered a part of the boat and handled and weighed
with it.
2.2 ISO Standard:
ISO 6964-1986(E) Polyolefin Pipes and Fittings—
5.6 Iron-Constantan Thermocouple, and a potentiometer or
Determination of Carbon Black by Calcination and
millivoltmeter suitable for determining temperatures in the
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Pyrolysis—Test Method and Basic Specification
range 300 to 700°C (572 to 1292°F).
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5.7 Flow Meter, suitable for measuring gas flow at rates of
1 to 10 L/min.
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This test method is under the jurisdiction ofASTM Committee D20 on Plastics
5.8 Traps, three glass traps with removable ground-glass
and is the direct responsibility of Subcommittee D20.70 on Analytical Methods
connected heads and 10-mm (0.39–in.) diameter inner and
(Section D20.70.01).
In 1993, the scope was revised to clarify limitations related to use of this test
connecting tubes.
method with materials containing brominated additives and to include an ISO
equivalency statement. Keywords were also added. NOTE 3—Onlyonetrapisrequirediftheentireapparatustrainisplaced
Current edition approved March 10, 2001. Published June 2001. Originally
in a fume hood. None is required if in addition, nitrogen of sufficient
published as D 1603 – 58. Last previous edition D 1603 – 94.
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Annual Book of ASTM Standards, Vol 08.01.
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Annual Book of ASTM Standards, Vol 14.02.
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ISO/IEC Selected Standards for Testing Plastics, Second Edition, published by Pyrex,Vycor, or equivalent tubing has been found satisfactory for this purpose.
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ASTM.Also, available fromAmerican National Standards Institute, 11W. 42nd St., Precision Bore RotometerTube No. 2B-25, available from the Fischer & Porter
13th Floor, New York, NY 10036. Co., County Line Road, Warminster, PA 18974 has been found satisfactory.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 1603
purity is used and produced by the alternative means provided in Section
tinsel, foil, or
...