ASTM D8178-18
(Terminology)Standard Terminology Relating to Recovered Carbon Black (rCB)
Standard Terminology Relating to Recovered Carbon Black (rCB)
SCOPE
1.1 This terminology covers a compilation of definitions of technical terms used in the recovered carbon black industry. Terms that are generally understood or adequately defined in other readily available sources are not included.
1.2 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
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D8178 − 18
Standard Terminology Relating to
1
Recovered Carbon Black (rCB)
This standard is issued under the fixed designation D8178; 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.
DISCUSSION—The original spheroidal primary particles of carbon
1. Scope
black fused into aggregates of colloidal dimension forming an acini-
1.1 This terminology covers a compilation of definitions of
form morphology. Recovered carbon blacks retain these aciniform
technical terms used in the recovered carbon black industry.
aggregate structures.
Terms that are generally understood or adequately defined in
carbon black, furnace, n—atypeofcarbonblackproducedby
other readily available sources are not included.
the decomposition reaction of primarily liquid hydrocarbons
1.2 This international standard was developed in accor-
when injected into a high-velocity stream of combustion
dance with internationally recognized principles on standard-
gases under controlled conditions.
ization established in the Decision on Principles for the
DISCUSSION—The primary type of carbon black used in production of
Development of International Standards, Guides and Recom-
rubber compound, especially used in tires and other black rubber
mendations issued by the World Trade Organization Technical
articles.
Barriers to Trade (TBT) Committee.
carbon black, thermal, n—a type of carbon black produced
2. Referenced Documents
under controlled conditions by the thermal decomposition of
2
gaseous hydrocarbons in the absence of air or flames.
2.1 ASTM Standards:
DISCUSSION—This carbon black lacks significant aciniform morphol-
D1508 Test Method for Carbon Black, Pelleted Fines and
ogy and as such is used primarily in non-tire applications. Use of
Attrition
non-tire rubber feedstock may result in the recovery of this carbon
D1509 Test Methods for Carbon Black—Heating Loss
black type.
3. Terminology
fines, n—that portion of pelletized recovered carbon black that
3.1 Definitions:
passes through a specified sieve under standard conditions.
aciniform, adj—shaped like a cluster of grapes.
DISCUSSION—See Test Method D1508.
1 heating loss, n—mass loss, in percent, when recovered carbon
This terminology is under the jurisdiction of ASTM Committee D36 on
black is heated at 125°C for 1 h; the heating loss is primarily
Recovered Carbon Black (rCB) and is the direct responsibility of Subcommittee
D36.30 on Nomenclature.
attributed to moisture content.
Current edition approved Nov. 1, 2018. Published January 2019. DOI: 10.1520/
DISCUSSION—See Test Method D1509.
D8178-18.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
recovered carbon black pellet, n—a relatively large agglom-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
erate mass that has been densified in spheroidal form to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. facilitate handling and processing.
APPENDIX
(Nonmandatory Information)
X1. EXISTING STANDARDS RECOGNIZED BY COMMITTEE D36
X1.1 The following is a list of existing standards that are
currently available for use in the industry. These standards are
maintained by ASTM Committee D24 on Carbon Black;
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D8178 − 18
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however, they can be applied for use in the rCB industry. D2663 Test Methods for Carbon Black—Dispersion in
Rubber
X1.2 In 2017, Committee D36 approved to recognize these
D3191 Test Methods for Carbon Black in SBR (Styrene-
standards as acceptable for use in the rCB industry until rCB
Butadiene Rubber)—Recipe and Evaluation Procedures
statistical data is available that may suggest otherwise.
D3192 Test Methods for Carbon Black Evaluation in NR
D1506 Test Methods for Carbon Black—Ash Content
(Natural Rubber)
D1508 Test Method for Carbon Black, Pelleted Fines and
D3849 Test Method for Carbon Black—Morphological
Attrition
Characterization of Carbon Black Using Electron Microscopy
D1509 Test Methods for Carbon Black—Heating Loss
D4122 Practice for Carbon Black—Evaluation of an In-
D1511 Test Method for Carbon Black—Pellet Size Distri-
dustry Reference Black
bution
D4821 Guide for Carbon Black—Validation of Test
D1512 Test Methods for Carbon Black—pH Value
Method Precision and Bias
D1513 Test Method for Carbon Black, Pelleted—Pour
D5230 Test Method for Carbon Black—Automated Indi-
Density
vidual Pellet Hardness
D1514 Test Method for Carbon Black—Sieve Residue
D5817 P
...
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