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    ASTM C206-2014 Standard Specification for Finishing Hydrated Lime《饰面用熟石灰的标准规格》.pdf

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    ASTM C206-2014 Standard Specification for Finishing Hydrated Lime《饰面用熟石灰的标准规格》.pdf

    1、Designation: C206 14Standard Specification forFinishing Hydrated Lime1This standard is issued under the fixed designation C206; 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 indi

    2、cates the year of last reapproval. Asuperscript epsilon () 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. Scope*1.1 This specification covers two types of finishing hydratedlime that are sui

    3、table for use in the scratch, brown, and finishcoats of plaster, for stucco, for mortar, and as an addition toportland-cement concrete. The two types of lime sold underthis specification shall be designated as follows:1.1.1 Type NNormal hydrated lime for finishing purposes,and1.1.2 Type SSpecial hyd

    4、rated lime for finishing purposes.NOTE 1Type N, normal finishing hydrated lime, is differentiated fromType S, special finishing hydrated lime, in that no limitation on the amountof unhydrated oxides is specified for Type N hydrate, and the plasticityrequirement for Type N hydrate shall be determined

    5、 after soaking for 16to 24 h.NOTE 2For lime putty, refer to Specification C1489.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2. Re

    6、ferenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quicklime, and Hydrated LimeC50 Practice for Sampling, Sample Preparation, Packaging,and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone (as usedby the Industry)C110 Test Me

    7、thods for Physical Testing of Quicklime,Hydrated Lime, and LimestoneC842 Specification for Application of Interior Gypsum Plas-terC1271 Test Method for X-ray Spectrometric Analysis ofLime and LimestoneC1301 Test Method for Major and Trace Elements in Lime-stone and Lime by Inductively Coupled Plasma

    8、-AtomicEmission Spectroscopy (ICP) and Atomic Absorption(AA)C1489 Specification for Lime Putty for Structural Purposes3. Terminology3.1 DefinitionsFor definitions of terms relating to hy-drated lime, refer to Terminology C51.4. Chemical Composition4.1 Hydrated lime for finishing purposes shall confo

    9、rm tothe following requirements as to chemical composition:Type N Type SCalcium and magnesium oxides (LOI-free basis),min, %95 95Carbon dioxide (as-received basis), max, %If sample is taken at the place of manufacture 5 5If sample is taken at any other place 7 7Unhydrated oxides (as-received basis),

    10、 max, % . 85. Residue5.1 The percentage residue of finishing hydrated lime shallconform to the following requirements:Residue retained on 600-m (No. 30) sieve, max, % 0.5Residue retained on 75-m (No. 200) sieve, max, % 156. Popping and Pitting6.1 Finishing hydrated lime shall show no pops or pits wh

    11、entested in accordance with the method prescribed in 10.1.2.7. Plasticity7.1 The putty made from Type N, normal finishing hydratedlime, shall have a plasticity figure of not less than 200 whensoaked for a period of not less than 16 h nor more than 24 h.7.2 The putty made from Type S, special finishi

    12、ng hydratedlime, shall have a plasticity figure of not less than 200 whentested commencing within 30 min after mixing with water.8. Application of Interior Gypsum Plaster8.1 For recommended application procedures refer to Speci-fication C842.1This specification is under the jurisdiction of ASTM Comm

    13、ittee C07 on Limeand Limestone and is the direct responsibility of Subcommittee C07.02 onSpecifications and Guidelines.Current edition approved Dec. 1, 2014. Published December 2014. Originallyapproved in 1946. Replaces C6 49 (1974). Last previous edition approved in 2009as C206 03 (2009). DOI: 10.1

    14、520/C0206-14.2For 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.*A Summary of Changes section appears at the end

    15、 of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States19. Sampling, Inspection, and so forth9.1 The sampling, inspection, rejection, retesting, packing,and marking shall be conducted in accordance with MethodsC50.10. Test Me

    16、thods10.1 The properties enumerated in this specification shall bedetermined in accordance with the following methods:10.1.1 Chemical AnalysisTest Methods C25 or, for totalcalcium and magnesium oxides, Test Methods C1271 orC1301.10.1.2 Physical TestsTest Methods C110.11. Package Marking11.1 Type N h

    17、ydrated lime, in bags, conforming to thisspecification, shall be soaked for a minimum of 16 h prior touse.12. Keywords12.1 finishing lime; masonry; plaster; plasticity; poppingand pitting; residue; Type N; Type S; unhydrated oxidesSUMMARY OF CHANGESCommittee C07.02 has identified the location of sel

    18、ected changes to this standard since the last issue(C206 03 (2009) that may impact the use of this standard. (Approved Dec. 1, 2014.)(1) Added Test Methods C1271 and C1301 to Section 2. (2) Revised 4.1, 5.1, and 10.1.1.ASTM International takes no position respecting the validity of any patent rights

    19、 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 standard is subject to revision at any ti

    20、me 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 International Headquarters. Your comments will

    21、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 below.This standard is copyrighted by ASTM

    22、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 (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:/ 142


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