1、Designation: D 1349 09Standard Practice forRubberStandard Temperatures for Testing1This standard is issued under the fixed designation D 1349; 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 p
2、arentheses indicates 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 Department of Defense.1. Scope1.1 This practice covers a list of standard temperatures fromwhich se
3、lection may be made for any specific test or testmethod. Any standard, method, practice, procedure, or speci-fication that specifies test temperatures shall take precedenceover this practice.1.2 These temperatures do not apply to preparation, mixing,processing, or vulcanizing temperatures for rubber
4、 compounds.1.3 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.4 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 es
5、tablish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Test Temperatures2.1 The test temperatures are as follows:C F75 (103)70 (94)55 (67)40 (40)25 (13)10 (14)0 (32)23 (73.4)35 (95)40 (104)50 (122)55 (131)70 (158)85 (185)90 (194)10
6、0 (212)105 (221)120 (248)125 (257)130 (266)135 (275)150 (302)155 (311)160 (320)175 (347)180 (356)200 (392)225 (437)250 (482)275 (527)300 (572)2.2 Tolerances for the test temperature, unless otherwisespecified, shall be 62C (63.6F). This tolerance is themaximum allowable variation in the temperature
7、of the spaceenclosing the specimens being tested. The average temperatureof the space shall be as close as practicable to the specifiedtemperature.2.3 Unless otherwise specified, testing of materials knownto be sensitive to relative humidity shall be carried out at arelative humidity of 50 6 5%.3. K
8、eywords3.1 standard test temperaturesASTM International takes no position respecting the validity of any patent rights 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 ri
9、skof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time 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 th
10、is standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will 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
11、 your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM 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
12、 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).1This practice is under the jurisdiction of ASTM Committee D11 on Rubber andis the direct responsibility of Subcommittee D11.14 on Time and Temperature-Dependent Physical Properties.Current edition approved July 1, 2009. Published July 2009. Originally approvedin 1954. Last previous edition approved in 2007 as D 1349 07.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
