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本文(ASTM D2377-2000(2006) Standard Test Method for Tack-Free Time of Caulking Compounds and Sealants《填缝混合料及密封料消粘时间的标准试验方法》.pdf)为本站会员(confusegate185)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM D2377-2000(2006) Standard Test Method for Tack-Free Time of Caulking Compounds and Sealants《填缝混合料及密封料消粘时间的标准试验方法》.pdf

1、Designation: D 2377 00 (Reapproved 2006)Standard Test Method forTack-Free Time of Caulking Compounds and Sealants1This standard is issued under the fixed designation D 2377; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year

2、of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This test method describes the determination of thetack-free time property of caulking compounds and sealants.This

3、 test method is applicable to both gun and knife grades.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is

4、 theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.4 The committee with jurisdiction over this standard is notaware of any comparable standard published by other organi-zation

5、s.2. Referenced Documents2.1 ASTM Standards:2C 717 Terminology of Building Seals and Sealants3. Terminology3.1 DefinitionsRefer to Terminology C 717 for definitionsof the following terms: caulking compound, compound, seal-ant.4. Apparatus4.1 Cabinet or Room capable of maintaining a temperatureof 73.

6、4 6 3.6F (23 6 2C) at 50 6 5 % relative humidity forextended periods of time.4.2 Brass Sheet,34 by 112 in. (19 by 38 mm), approximately14 in. (6.4 mm) thick.4.3 TemplateA rectangular template of steel or brass,18in. (3.2 mm) thick, 1 by 334 in. (25.4 by 95.1 mm) inside, andapproximately 2 by 434 in.

7、 (51 by 121 mm) outside.4.4 Steel SheetsTwo rectangular tin-plated steel sheets,approximately 3 by 5 in. (76 by 127 mm), and of a convenientthickness.4.5 Plastic StripsTwo, clear, low-density polyethylenestrips, 1 by 5 in. (25.4 by 127 mm) by 0.004 6 0.001 in.(0.1016 6 0.0254 mm) thick.4.6 Spatula,

8、steel, havinga4to5-in. (102 to 127-mm) longnarrow blade.4.7 Thin Knife Blade.5. Solvent5.1 Methyl Ethyl Ketone, Ethylene Dichloride, or similarsolvent.6. Sampling6.1 Take the test specimen from a previously unopenedcontainer and thoroughly mix before using.7. Test Specimens7.1 Prepare two test speci

9、mens as follows:7.1.1 Thoroughly mix the conditioned compound and com-pletely clean the template and steel sheets with solvent.7.1.2 Center the template on the tin panel and carefully fillit, avoiding air pockets. Strike off the surface of the compoundflat to a uniform18-in. (3.2-mm) thickness. With

10、 a thin knifeblade, cut all around the outside edge of the compound and liftthe template straight up and off.8. Conditioning8.1 Condition the sample in the original closed container forat least5hat73.4 6 3.6F (23 6 2C).9. Procedure (Fig. 1)9.1 For gun grade compounds, expose the specimen for 72h at

11、73.4 6 3.6F (23 6 2C), 50 6 5 % relative humidity. Forknife grade compounds, expose for 120 h under the sameconditions.1This test method is under the jurisdiction ofASTM Committee C24 on BuildingSeals and Sealants and is the direct responsibility of Subcommittee C24.20 onGeneral Test Methods.Current

12、 edition approved Nov. 15, 2006. Published January 2007. Originallyapproved in 1965. Last previous edition approved in 2000 as D 2377 00.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume i

13、nformation, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.9.2 At the end of the exposure period, center the polyeth-ylene strip lengthwise along the top surface of the

14、 compound.Set the brass weight in the center on top of the polyethylenestrip and allow it to remain there for 30 s.9.3 Remove the brass weight and carefully withdraw thepolyethylene strip with thumb and forefinger at right angles tothe compound. No caulking compound or sealant shall adhereto the pol

15、yethylene strip in either specimen.9.4 Repeat steps 6.1 through 7.3 with the second testspecimen.10. Report10.1 Report if any caulking compound or sealant hasadhered to the polyethylene strip in either specimen.11. Precision and Bias11.1 No statement is made about either the precision or biasof this

16、 test method for measuring tack-free time, since theresult merely states whether there is conformance to the criteriafor sucess in the procedure.12. Keywords12.1 caulking compound; compound; sealant; tack-freeASTM International takes no position respecting the validity of any patent rights asserted

17、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 time by the

18、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 receive ca

19、reful 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 Internatio

20、nal, 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).FIG. 1 Stages in the Tack-Free Time Test ProcedureD 2377 00 (2006)2

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