ASTM_D_4315_-_21.pdf

Designation:D431521Standard Test Methods forRubber Compounding MaterialZinc Oxide1This standard is issued under the fixed designation D4315;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 parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods cover chemical and physical tests forzinc oxide that are considered to be important to its use inrubber compounding.1.2 The tests appear in the following order:TestSectionZinc Oxide5Lead and Cadmium6Sulfur7Heat Loss8Surface Area9Sieve Residue101.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.For specific precautions,see 5.2.1.4 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 Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D280 Test Methods for Hygroscopic Moisture(and OtherMatter Volatile Under the Test Conditions)in PigmentsD1193 Specification for Reagent WaterD3037 Test Method for Carbon BlackSurface Area byNitrogen Adsorption(Withdrawn 1999)3D3280 Test Methods for Analysis of White Zinc PigmentsD4075 Test Methods for Rubber Compounding MaterialsFlame Atomic Absorption AnalysisDetermination ofMetalsD4483 Practice for Evaluating Precision for Test MethodStandards in the Rubber and Carbon Black ManufacturingIndustriesE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Significance and Use3.1 These test methods may be used for quality control ofzinc oxide used as a compounding material and for researchand development studies where zinc oxide is used in a rubbermix.4.Reagents4.1 Purity of ReagentsReagent grade chemicals shall beused in all tests.Unless otherwise indicated,it is intended thatall reagents shall conform to the specifications of the Commit-tee on Analytical Reagents of the American Chemical Society,where such specifications are available.4Other grades may beused,provided it is first ascertained that the reagent is ofsufficiently high purity to permit its use without lessening theaccuracy of the determination.4.2 Purity of WaterUnless otherwise indicated,referencesto water shall be understood to mean Type IV reagent water inaccordance with Specification D1193.ZINC OXIDE5.Procedure for Determination of%Zinc Oxide5.1 Analysis of white zinc pigments is covered in TestMethods D3280.5.2 Reagents and safety precautions for Test MethodsD3280 apply.1These test methods are under the jurisdiction of ASTM Committee D11 onRubber and Rubber-like Materials and are the direct responsibility of SubcommitteeD11.20 on Compounding Materials and Procedures.Current edition approved Nov.1,2021.Published November 2021.Originallyapproved in 1984.Last previous edition approved in 2017 as D4315 94(2017).DOI:10.1520/D4315-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4ACS Reagent Chemicals,Specifications and Procedures for Reagents andStandard-Grade Reference Materials,American Chemical Society,Washington,DC.For suggestions on the testing of reagents not listed by the American ChemicalSociety,see Analar Standards for Laboratory Chemicals,BDH Ltd.,Poole,Dorset,U.K.,and the United States Pharmacopeia and National Formulary,U.S.Pharma-copeial Convention,Inc.(USPC),Rockville,MD.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 principles 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.15.3 Section 6 of Test Methods D3280 describes the analysisof total zinc in zinc oxide using diphenylamine as internalindicator.5.4 Section 7 of Test Methods D3280 describes the analysisof total zinc in zinc oxide using uranyl acetate as externalindicator.LEAD AND CADMIUM6.Procedure for Determination of Lead and Cadmium inZinc Oxide6.1 Test Methods D4075 is the standard test method formetal analysis in compounding materials using the flameatomic absorption technique.Analysis for cadmium and lead inzinc o