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ASTM_D_98_-_15_2021.pdf

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1、Designation:D9815(Reapproved 2021)Standard Specification forCalcium Chloride1This standard is issued under the fixed designation D98;the number immediately following the designation indicates the year of originaladoption or,in the case of revision,the year of last revision.Anumber in parentheses ind

2、icates the year of last reapproval.Asuperscriptepsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers calcium chloride,technicalgrade,typically used for,but

3、 not limited to,dust control,stabilization,ice/snow removal,other road-conditioningpurposes,acceleration of the set of concrete,and as a desiccant.1.2 The values stated in SI units are to be regarded as thestandard.1.3 For purposes of determining conformance to thisspecification,values for chemical

4、analysis shall be rounded tothe nearest 0.1%,and values for grading shall be rounded tothe nearest 1%,in accordance with the rounding method inPractice E29.1.4 The text of this standard references notes and footnotes,which provide explanatory material.These notes and footnotes(excluding those in tab

5、les and figures)shall not be consideredas requirements of the standard.1.5 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-

6、mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D345 Test Method for Sampling and Testing Calcium Chlo-ride for Roads and Structural Applications(Withdrawn2019)3E449 Test Methods for Analysis of Calcium Chloride2.2

7、Federal Standards:4UU-S-48 Sack,Shipping,PaperPPP-B-35 Bag,Textile,Shipping,Burlap,Cotton,and Wa-terproof LaminatedPPP-C-186 Containers,Packaging and Packing for Drugs,Chemicals,and PharmaceuticalsPPP-D-723 Drum,FiberFed.Std.No.123 Marking for Shipment(Civil Agencies)2.3 Military Standards:4MIL-STD-

8、105 Sampling Procedures and Tables for Inspec-tion by AttributesMIL-STD-129 Marking for Shipment and Storage2.4 American Trucking Associations,Inc.:5National Motor Freight Classification2.5 Uniform Classification Committee:6Uniform Freight Classification3.Classification3.1 TypeTwo types of calcium c

9、hloride are covered asfollows:3.1.1 Type S(Solid)Flake,pellet,or granular calciumchloride(CaCl2)in varying concentrations.3.1.2 Type L(Liquid)Water solutions of calcium chloridein varying concentrations.3.2 ConcentrationsConcentrations of Type S and Type Lcalcium chloride shall be expressed as a per

10、centage of the total.Type S shall be further expressed as Grades as in 3.3 and inaccordance with the chemical requirements of this specifica-tion.3.2.1 The concentrations of Type S(solid)calcium chlorideare 77,90,and 94%minimum.3.2.2 The concentrations of Type L(liquid)calcium chlorideshall be speci

11、fied by the purchaser(see Note 1).NOTE1Typical concentrations vary from 28 to 42%.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.31 onCalcium and Sodium Chlorides and Other Deicing Materials.Current

12、 edition approved Nov.1,2021.Published November 2021.Originallyapproved in 1921.Last previous edition approved in 2015 as D98 15.DOI:10.1520/D0098-15R21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStanda

13、rds 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.4Available from Standardization Documents Order Desk,Bldg.4,Section D,700 Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.5Ava

14、ilable from American Trucking Association,Inc.,2200 Mill Rd.,Alexandria,VA 22314.6Available from Uniform Classification Committee,212 Union Station,Chicago,IL 60606.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard

15、 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.13.3 GradesTy

16、pe S(solid)calcium chloride is graded asfollows:3.3.1 Grade N1,77%minimum calcium chloride concen-tration of either Class AFlake,or Class BGranular.3.3.2 Grade N2,83%minimum calcium chloride concen-trationofClassAFlake,ClassBPellet,ClassCGranular,or Class DPowder.3.3.3 Grade N3,90%minimum calcium chloride concen-tration of Class AFlake,Class BPellet,Class CGranular,or Class DPowder.3.3.4 Grade N4,94%minimum calcium chloride concen-trationofClassAFlake,ClassBPellet,ClassCGranular,or Class DPowder

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