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ASTM_D_98_-_15.pdf

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1、Designation:D9815Standard 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 indicates the year o

2、f 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 not limited to,d

3、ust 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 analysis shall be

4、 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 tables and figures)s

5、hall not be consideredas requirements of the standard.2.Referenced Documents2.1 ASTM Standards:2D345 Test Method for Sampling and Testing Calcium Chlo-ride for Roads and Structural ApplicationsE449 Test Methods for Analysis of Calcium Chloride2.2 Federal Standards:3UU-S-48 Sack,Shipping,PaperPPP-B-3

6、5 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:3MIL-STD-105 Sampling Procedures and Tables for Inspec-tion by

7、 AttributesMIL-STD-129 Marking for Shipment and Storage2.4 American Trucking Associations,Inc.:4National Motor Freight Classification2.5 Uniform Classification Committee:Uniform Freight Classification53.Classification3.1 TypeTwo types of calcium chloride are covered asfollows:3.1.1 Type S(Solid)Flak

8、e,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 percentage of the total.Type S shall be further expresse

9、d 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 specified by the purchaser(see Note 1).NOTE1Typical concen

10、trations vary from 28 to 42%.3.3 GradesType 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 DPo

11、wder.3.3.3 Grade N3,90%minimum calcium chloride concen-tration of Class AFlake,Class BPellet,Class CGranular,or Class DPowder.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 C

12、hlorides and Other Deicing Materials.Current edition approved June 1,2015.Published July 2015.Originally approvedin 1921.Last previous edition approved in 2013 as D98 05(2013).DOI:10.1520/D0098-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at s

13、erviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Standardization Documents Order Desk,Bldg.4,Section D,700 Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.4Available from American Trucking Associatio

14、n,Inc.,2200 Mill Rd.,Alexandria,VA 22314.5Available 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 States1 3.3.4 Grade N4,94%minimum calcium chloride concen-trationofClassA

15、Flake,ClassBPellet,ClassCGranular,or Class DPowder.4.Ordering Information4.1 Orders for material under this specification shall includethe following information:4.1.1 This specification designation and date of issue,4.1.2 Type S(solid)or Type L(liquid)concentration,gradeand class of calcium chloride

16、 required(see Sections 3),4.1.3 Quantity of calcium chloride required,4.1.4 Whether special sampling for inspection is required(see Section 7),and4.1.5 Whether special packaging and marking is required(see Section 10).5.Chemical Requirements5.1 The calcium chloride shall conform to the followingrequirements for chemical composition,except for the toler-ances stated in 7.2.5.1.1 CaCl2content,%not less than the minimum concen-tration specified,nor greater than the maximum concentrationspecified(wh

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