1、Designation: D8178 18Standard Terminology Relating toRecovered Carbon Black (rCB)1This standard is issued under the fixed designation D8178; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in par
2、entheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This terminology covers a compilation of definitions oftechnical terms used in the recovered carbon black industry.Terms that are generally understo
3、od or adequately defined inother readily available sources are not included.1.2 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and
4、Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D1508 Test Method for Carbon Black, Pelleted Fines andAttritionD1509 Test Methods for Carbon BlackHeating Loss3. Terminology3.1 Definitions:aciniform, adjshap
5、ed like a cluster of grapes.DISCUSSIONThe original spheroidal primary particles of carbonblack fused into aggregates of colloidal dimension forming an acini-form morphology. Recovered carbon blacks retain these aciniformaggregate structures.carbon black, furnace, na type of carbon black produced byt
6、he decomposition reaction of primarily liquid hydrocarbonswhen injected into a high-velocity stream of combustiongases under controlled conditions.DISCUSSIONThe primary type of carbon black used in production ofrubber compound, especially used in tires and other black rubberarticles.carbon black, th
7、ermal, na type of carbon black producedunder controlled conditions by the thermal decomposition ofgaseous hydrocarbons in the absence of air or flames.DISCUSSIONThis carbon black lacks significant aciniform morphol-ogy and as such is used primarily in non-tire applications. Use ofnon-tire rubber fee
8、dstock may result in the recovery of this carbonblack type.fines, nthat portion of pelletized recovered carbon black thatpasses through a specified sieve under standard conditions.DISCUSSIONSee Test Method D1508.heating loss, nmass loss, in percent, when recovered carbonblack is heated at 125C for 1
9、 h; the heating loss is primarilyattributed to moisture content.DISCUSSIONSee Test Method D1509.recovered carbon black pellet, na relatively large agglom-erate mass that has been densified in spheroidal form tofacilitate handling and processing.APPENDIX(Nonmandatory Information)X1. EXISTING STANDARD
10、S RECOGNIZED BY COMMITTEE D36X1.1 The following is a list of existing standards that arecurrently available for use in the industry. These standards aremaintained by ASTM Committee D24 on Carbon Black;1This terminology is under the jurisdiction of ASTM Committee D36 onRecovered Carbon Black (rCB) an
11、d is the direct responsibility of SubcommitteeD36.30 on Nomenclature.Current edition approved Nov. 1, 2018. Published January 2019. DOI: 10.1520/D8178-18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMS
12、tandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized princi
13、ples on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.1however, they can be applied for use in the rCB industry.3X1.2 In 2017, Comm
14、ittee D36 approved to recognize thesestandards as acceptable for use in the rCB industry until rCBstatistical data is available that may suggest otherwise.D1506 Test Methods for Carbon BlackAsh ContentD1508 Test Method for Carbon Black, Pelleted Fines andAttritionD1509 Test Methods for Carbon BlackH
15、eating LossD1511 Test Method for Carbon BlackPellet Size Distri-butionD1512 Test Methods for Carbon BlackpH ValueD1513 Test Method for Carbon Black, PelletedPourDensityD1514 Test Method for Carbon BlackSieve ResidueD1618 Test Method for Carbon Black Extractables Transmittance of Toluene ExtractD1619
16、 Test Methods for Carbon BlackSulfur ContentD1799 Practice for Carbon BlackSampling PackagedShipmentsD1900 Practice for Carbon BlackSampling Bulk Ship-mentsD1937 Test Method for Carbon Black, PelletedMassStrengthD2663 Test Methods for Carbon BlackDispersion inRubberD3191 Test Methods for Carbon Blac
17、k in SBR (Styrene-Butadiene Rubber)Recipe and Evaluation ProceduresD3192 Test Methods for Carbon Black Evaluation in NR(Natural Rubber)D3849 Test Method for Carbon BlackMorphologicalCharacterization of Carbon Black Using Electron MicroscopyD4122 Practice for Carbon BlackEvaluation of an In-dustry Re
18、ference BlackD4821 Guide for Carbon BlackValidation of TestMethod Precision and BiasD5230 Test Method for Carbon BlackAutomated Indi-vidual Pellet HardnessD5817 Practice for Carbon Black, PelletedReduction,Blending, and Drying of Gross Samples for TestingD6915 Practice for Carbon BlackEvaluation of
19、StandardReference BlacksD7771 Test Method for Determination of Benzo-Pyrene(BaP) Content in Carbon BlackX1.3 The Committee has concluded that typical Carbonblack characterization methods based on structure level andsurface area measurements do not seem to correlate to in-rubber performance in an equ
20、al matter for Recovered CarbonBlack products. Therefore, the committee does not recommendsuch test methods for predicting the applications performanceof recovered carbon black products. The committee is open tonew research that can contradict above statement.ASTM International takes no position resp
21、ecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This s
22、tandard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Interna
23、tional Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown bel
24、ow.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555
25、(fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ standards are available on the ASTM website (www.astm.org).If you have any questions regarding this list, please contact Pieter ter Haar atterhaarcarbon-clean-.D8178 182
