ASTM D1511-00(2006)

Standard Test Method for Carbon Black—Pellet Size Distribution

SIGNIFICANCE AND USE
The variation in the size of the pellets may relate to the level of dispersion and to the ease of handling. Due to the many other variables that influence dispersion and handling, the significance of pellet size must be determined by the user.
SCOPE
1.1 This test method covers the determination of the pellet size distribution of carbon black.
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 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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 30-Jun-2006
• ICS: 83.040.20 - Rubber compounding ingredients
• Technical Committee: D24 - Carbon Black
• Drafting Committee: D24.51 - Carbon Black Pellet Properties

Relations

• Replaces: ASTM D1511-00e2 - Standard Test Method for Carbon Black-Pellet Size Distribution
• Effective Date: 01-Jul-2006
• Replaced By: ASTM D1511-10 - Standard Test Method for Carbon Black—Pellet Size Distribution
• Effective Date: 01-Jul-2010
• Referred By: ASTM D5817-20 - Standard Practice for Carbon Black, Pelleted—Reduction, Blending, and Drying of Gross Samples for Testing
• Effective Date: 01-Jul-2006
• Referred By: ASTM D3053-23 - Standard Terminology Relating to Carbon Black
• Effective Date: 01-Jul-2006
• Referred By: ASTM D8466-22 - Standard Guide for Recovered Carbon Black—Carbon Black Test Methods for Testing rCB
• Effective Date: 01-Jul-2006
• Referred By: ASTM D5230-21 - Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
• Effective Date: 01-Jul-2006
• Referred By: ASTM D1508-23 - Standard Test Method for Carbon Black, Pelleted Fines and Attrition
• Effective Date: 01-Jul-2006

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D1511–00 (Reapproved 2006)
Standard Test Method for
Carbon Black—Pellet Size Distribution
This standard is issued under the fixed designation D1511; 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 4.3 Sieves—U.S.StandardSievesorequivalent,conforming
to Specification E11. Sieve Nos. 10, 18, 35, 60, and 120,
1.1 This test method covers the determination of the pellet
having openings respectively of 2000, 1000, 500, 250, and 125
size distribution of carbon black.
µm, shall be used. The sieves shall be 25 mm (1 in.) in height
1.2 The values stated in SI units are to be regarded as the
and 200 mm (8 in.) in diameter.
standard. The values given in parentheses are for information
4.4 Bottom receiver pan and top sieve cover.
only.
4.5 Sieve Shaker—Any equipment that will vibrate or shake
1.3 This standard does not purport to address all of the
a stack of sieves in a manner that will allow the pellets to
safety concerns, if any, associated with its use. It is the
separate into size fractions without excessive pellet breakage.
responsibility of the user of this standard to establish appro-
The following three types of shakers have been found satis-
priate safety and health practices and determine the applica-
factory for determining the pellet size distribution of pelleted
bility of regulatory limitations prior to use.
carbon black.
2. Referenced Documents
4.5.1 Mechanical Sieve Shaker —The Ro-Tap Siever im-
parts a uniform rotary and tapping motion to a stack of sieves
2.1 ASTM Standards:
as described in 4.3. The shaker machine shall be powered with
D1799 Practice for Carbon Black—Sampling Packaged
an electric motor producing 181 to 183 rads/s (1725 to
Shipments
1750 r/min). This will produce 140 to 160 raps/min and 280 to
D1900 Practice for Carbon Black—Sampling Bulk Ship-
320 rotary motions/min. The cover plate shall be fitted with a
ments
1 3
corkstopperthatshallextend3to9mm( ⁄8to ⁄8in.)abovethe
D4483 Practice for Evaluating Precision for Test Method
metal recess. Materials other than cork, such as rubber or
Standards in the Rubber and Carbon Black Manufacturing
wood,areunacceptable.TheheightoftheRoTaphammershall
Industries
be set at 3.30 cm 6 0.15 cm (1–5/16 in. 6 1/16 in.).
D5817 Practice for Carbon Black, Pelleted—Reduction,
4.5.2 Vibratory Siever —The Retsch Sieve Shaker AS200
Blending, and Drying of Gross Samples for Testing
has variable timer and amplitude settings. When set at 3 min
E11 SpecificationforWovenWireTestSieveClothandTest
and 0.5 amplitude, the AS200 provides satisfactory results. It
Sieves
accommodates a stack of sieves as described in 4.3.
3. Significance and Use
4.5.3 Automatic Sieve Shaker —The Gradex 2000 auto-
matically performs all of the required steps including the
3.1 The variation in the size of the pellets may relate to the
weighing of the sample and the individual fractions retained on
levelofdispersionandtotheeaseofhandling.Duetothemany
other variables that influence dispersion and handling, the
significance of pellet size must be determined by the user.
The sole source of supply of the Ro-Tap Siever known to the committee at this
time is WS Tyler, 8570 Tyler Blvd., Mentor, OH 44060, E-mail:
4. Apparatus
[e-mail]. If you are aware of alternative suppliers, please provide this
information to ASTM International Headquarters. Your comments will receive
4.1 Riffle Sample Splitter as specified in Practice D5817.
careful consideration at a meeting of the responsible technical committee, which
4.2 Balance with a sensitivity of 0.1 g.
you may attend.
The sole source of supply of the Retsch Sieve Shaker AS200 known to the
committee at this time is Retsch Inc., 74Walker Lane, Newtown, PA18940, E-mail:
This test method is under the jurisdiction ofASTM Committee D24 on Carbon [e-mail]. If you are aware of alternative suppliers, please provide this
Black and is the direct responsibility of Subcommittee D24.51 on Carbon Black information to ASTM International Headquarters. Your comments will receive
Pellet Properties. careful consideration at a meeting of the responsible technical committee, which
Current edition approved July 1, 2006. Published July 2006. Originally approved you may attend.
´2 5
in 1957. Last previous edition approved in 2000 as D1511 – 00 . DOI: 10.1520/ The sole source of supply of the Gradex 2000 known to the committee at this
D1511-00R06. time is Rotex, Inc., 1230 Knowlton Street, Cincinnati, OH 45223, E-mail:
For referenced ASTM standards, visit the ASTM website, www.astm.org, or [e-mail]. If you are aware of alternative suppliers, please provide this
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM information to ASTM International Headquarters. Your comments will receive
Standards volume information, refer to the standard’s Document Summary page on careful consideration at a meeting of the responsible technical committee, which
the ASTM website. you may attend.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D1511–00 (2006)
each sieve. The equipment consists of a balance, autofeed 7. Calculation
system, electric motor that imparts a uniform rotary motion,
7.1 Calculate the pellet size distribution of the sample to the
pneumatically operated rods to provide the tapping action, and
nearest 0.1 % as follows:
computer and software to record and perform analyses. Shake
Sieve No. Mass Retained, g Percent Retained
time of 1 min provides satisfactory test results. The test sieves
10 ____________ ____________
18 ____________ ____________
are described in 4.3.
35 ____________ ____________
60 ____________ ____________
NOTE 1—Top sieve cover is not needed for the Gradex 2000.
120 ____________ ____________
NOTE 2—The Gradex is supplied with one standard tapping rod. It is
Pan ____________ ____________
recommended that two additional tapping rods be installed to provide
Total ____________ ____________
additional tapping action.
8. Report
5. Sampling
8.1 Report the following information:
5.1 Lot samples shall be taken in accordance with Practices
8.1.1 Proper identification of the sample,
D1799 or D1900.
8.1.2 Result obtained from a single determination, reported
5.2 Practice D5817 shall be used for blending or reducing
to the nearest 0.1 %.
samples.
8.1.3 Apparatus used to determine test values.
6. Procedure
9. Precision and Bias
6.1 Prepare carbon black for testing as noted in Section 5.
9.1 This precision and bias section has been prepared in
accordance with Practice D4483. Refer to Practice D4483 for
NOTE 3—Itisnotgoodpracticetoweighoutthetestportionbypouring
terminology and other statistical details.
it directly from the sample container since the smaller pellets will tend to
9.2 The precision results in this precision and bias give an
remain in the container while the larger pellets pour out first. Dipping the
black from the container is the preferred technique.
estimate of the precision described as follows. The precision
parameters should not be used for acceptance/rejection testing
6.2 Prepare the sieve assembly by stacking the sieves in the
of materials without documentation that they are applicable to
following order from bottom to top: Bottom receiver pan, No.
those particular materials and the specific testing protocols that
120, No. 60, No. 35, No. 18, No. 10, and top sieve cover.
include this test method.
NOTE 4—Top sieve cover is not needed for the Gradex 2000.
9.3 A Type 1 inter-laboratory precision program was con-
ducted in 1988 to determine the testing precision of three
6.3 Mechanical and Vibratory Sieve Shakers
samples (Sample 1, Sample 2, and Sample 3) according to this
6.3.1 Weigh 100.0 g of carbon black.
test method. Both repeatability and reproducibility represent
6.3.2 T
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