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ASTM D5230-00e2

(Test Method)

Standard Test Method for Carbon Black—Automated Individual Pellet Hardness

Standard Test Method for Carbon Black—Automated Individual Pellet Hardness

SCOPE
1.1 This test method covers a procedure for measuring the crush strength of individual pellets of carbon black by the automated pellet hardness tester.²
1.2 The values stated in SI units are to be regarded as the standard. The values 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
09-May-2000
ICS
83.040.20 - Rubber compounding ingredients
Technical Committee
D24 - Carbon Black
Drafting Committee
D24.51 - Carbon Black Pellet Properties
Current Stage
Ref Project

Relations

Replaces
ASTM D5230-00e1 - Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
Effective Date
10-May-2000
Replaced By
ASTM D5230-03 - Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
Effective Date
10-Jul-2003
Referred By
ASTM D8466-22 - Standard Guide for Recovered Carbon Black—Carbon Black Test Methods for Testing rCB
Effective Date
10-May-2000
Referred By
ASTM D5817-20 - Standard Practice for Carbon Black, Pelleted—Reduction, Blending, and Drying of Gross Samples for Testing
Effective Date
10-May-2000
Referred By
ASTM D4122-17(2023) - Standard Practice for Carbon Black—Evaluation of an Industry Reference Black
Effective Date
10-May-2000
Referred By
ASTM D3053-23 - Standard Terminology Relating to Carbon Black
Effective Date
10-May-2000

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ASTM D5230-00e2 - Standard Test Method for Carbon Black—Automated Individual Pellet HardnessASTM D5230-00e2 - Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
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ASTM D5230-00e2 - Standard Test Method for Carbon Black—Automated Individual Pellet Hardness
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Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
e2
Designation: D 5230 – 00
Standard Test Method for
1
Carbon Black—Automated Individual Pellet Hardness
This standard is issued under the fixed designation D 5230; 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
e NOTE—Footnote 2 was updated in December 2002.
Editorial corrections were made in Tables 1 and 2 in May 2003.
1. Scope pellet crush strength. Acceptable pellet hardness must be
agreed to by the user and the producer.
1.1 This test method covers a procedure for measuring the
crush strength of individual pellets of carbon black by the
4. Apparatus
2
automated pellet hardness tester.
2
4.1 Automated Pellet Hardness Tester, capable of achiev-
1.2 The values stated in SI units are to be regarded as the
ing an absolute measuring accuracy of 62 cN (2 gf) for the
standard. The values in parentheses are for information only.
force measurement and 60.1 mm for the diameter measure-
1.3 This standard does not purport to address all of the
ment and a relative accuracy of 60.5 cN (0.5 gf) for the force
safety concerns, if any, associated with its use. It is the
measurement and 0.02 mm for the diameter measurement and
responsibility of the user of this standard to establish appro-
consisting of the following major components and character-
priate safety and health practices and determine the applica-
istics.
bility of regulatory limitations prior to use.
4.1.1 A means for automatic loading of a pellet on the
2. Referenced Documents transport platen for transporting the pellet so as to contact the
second platen with a minimum force. Typically one platen
2.1 ASTM Standards:
contains a force measuring device. The required force to detect
D 1511 Test Method for Carbon Black—Pellet Size Distri-
3
the contact shall not exceed 2 cN (2 gf),
bution
4.1.2 A means for applying the force at a constant rate,
D 1799 Practice for Carbon Black—Sampling Packaged
3
4.1.3 A means for transporting the pellet so to minimize its
Shipments
movement during the application of force.
D 1900 Practice for Carbon Black—Sampling Bulk Ship-
3
4.1.4 A means for measuring the diameter of the individual
ments
pellet under test as measured along the axis of the application
D 4483 Practice for Determining Precision for Test Method
3
of force.
Standards in the Rubber and Carbon Black Industries
4.1.5 A control device for directing the instrument through
E 11 Specification for Wire-Cloth Sieves for Testing Pur-
4
the test cycle that includes crushing the pellet under controlled
poses
conditions, measuring and storing the results of the initial
3. Significance and Use
diameter and crush force determinations, cleaning the frag-
ments from the platen surfaces, and starting the next cycle.
3.1 Pellet crush strength is related to several carbon black
4.1.6 An algorithm for determining the individual test end
characteristics. Among these are mass strength and attrition.
point (determination) as the maximum observed force prior to
The subsequent level of dispersion obtained in some mixed
the first occurrence of either a specified reduction in diameter
compounds containing the carbon black may be affected by
or a specified reduction in force from the maximum force
observed,
1
4.1.7 A program for calculating for a specified number of
This test method is under the jurisdiction of ASTM Committee D24 on Carbon
Black and is the direct responsibility of Subcommittee D24.51 on Carbon Black
pellets the data as requested in Section 8, and
Pellet Properties.
4.1.8 A means for identifying, viewing, printing, and storing
Current edition approved May 10, 2000. Published July 2000. Originally
the data in an ASCII file.
published as D 5230 – 92. Last previous edition D 5230 – 99b.
2
4.2 Mechanical Sieve Shaker, conforming to Test Method
The Concarb Titan Automated Pellet Hardness Tester is available from Titan
Specialties, Inc., P.O. Box 2316, Pampa, TX 79065, E-mail:
D 1511.
sales@titanspecialties.com. The HITEC IPHT is available from HITEC Luxem-
4.3 Sieves, U.S. Standard No. 12 (1700 μm) and No. 14
bourg, 5 rue de L’ Eglise, L-1458, Luxembourg, E-mail: info@hitec.lv.
3
(1400 μm) conforming to E-11 shall be used to test grades of
Annual Book of ASTM Standards, Vol 09.01.
4
Annual Book of ASTM Standards, Vol 14.02. black that can be segregated in a -12/+14 fraction. For grades
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
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