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    ASTM D6536 D6536M-2018 red 1250 Standard Practice for Measuring the Dip Tube Length of a Mechanical Pump Dispenser.pdf

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    ASTM D6536 D6536M-2018 red 1250 Standard Practice for Measuring the Dip Tube Length of a Mechanical Pump Dispenser.pdf

    1、Designation: D6536/D6536M 00 (Reapproved 2010)1D6536/D6536M 18Standard Test Method Practice forMeasuring the Dip Tube Length of a Mechanical PumpDispenser1This standard is issued under the fixed designation D6536/D6536M; the number immediately following the designation indicates theyear of original

    2、adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1 NOTEUnits information was editorially revised in December 2010.1. Scope1.1 Thi

    3、s test method practice covers the measurement technique for a dip tube of a mechanical pump dispenser.1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be

    4、used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropria

    5、te safety safety, health, and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the

    6、 Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Significance and Use2.1 This test method practice is to be used to measure the length of a specified dip tube from the bottom of the sealing surfac

    7、eto the end of the dip tube in a mechanical pump dispenser.2.2 This test method practice is to be used to measure the exposed length of a specified dip tube of a mechanical pump dispenser.3. Apparatus3.1 Thin Metal Ruler, with minimum gradients of 1 mm or 116 in., or both, along with a zero index at

    8、 the end of the ruler.3.2 Calipers.4. ProcedureTEST METHOD PRACTICE “A”MEASUREMENT OF OVERALL DIP TUBE LENGTHNOTE 1This test method practice is used when the exposed sealing surface of the mechanical pump dispenser is large enough to measure from.4.1 While holding the mechanical pump dispenser with

    9、its axis in a horizontal plane, place the zero index end of the ruler againstthe bottom of the seal surface. Fig. 1dimension “X.”4.2 If needed, straighten the dip tube out so that it is parallel with the length of the ruler.4.3 Measure the overall length of the dip tube to within a full millimetre o

    10、r 116 in. length.4.4 Record the length measured in 5.1.TEST METHOD PRACTICE “B”MEASUREMENT OF EXPOSED DIP TUBE LENGTHNOTE 2This test method practice is used in all applications.4.5 While holding the mechanical pump dispenser with its axis in a horizontal plane, place the zero index end of the ruler

    11、againstthe bottom end of the body. Fig. 1dimension “Z.”1 This test method practice is under the jurisdiction ofASTM Committee F02 on FlexiblePrimary Barrier Packaging and is the direct responsibility of Subcommittee F02.30on Mechanical Pump Dispensers.Current edition approved Oct. 1, 2010May 1, 2018

    12、. Published December 2010June 2018. Originally approved in 2000. Last previous edition approved in 20052010 asD6536 05.D6536/D6536M 00(2010)1. DOI: 10.1520/D6536_D6536M-00R10E01.10.1520/D6536_D6536M-18.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard

    13、 an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is

    14、 to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States14.6 If needed straighten the dip tube out so that it is parallel with the length of the ruler.4.7 Measure the exposed length of the dip tube to wi

    15、thin a full millimetre or 116 in. length.4.8 Record the length measured in 5.1.5. Report5.1 Report the following information:5.1.1 Type of mechanical pump dispenser,5.1.2 Dip tube length measured, and5.1.3 MethodPractice used.6. Precision and Bias6.1 PrecisionThe precision of this test method practi

    16、ce is within a range of plus or minus 1 mm or 116 in. from the specifiedlength depending on the unit of measure used: millimetres or inches.An examination of the results of dip tube length measurementsfrom _ technicians in one lab found that ten pumps measured under Test Method Practice “A” had a ra

    17、nge in length specifiedfrom _ in. long. Data is currently being gathered.6.2 BiasThis test method practice has no bias because an accepted reference or referee value is not available.7. Keywords7.1 dip tube length; dip tube measurement; mechanical pump dispenserASTM International takes no position r

    18、especting 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 riskof infringement of such rights, are entirely their own responsibility.Thi

    19、s 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 this standard or for additional standardsand should be addressed to ASTM Inter

    20、national 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 your views known to the ASTM Committee on Standards, at the address shown b

    21、elow.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 contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-955

    22、5 (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:/ 1 Overall Dip Tube Length “X” Versus Exposed Dip Tube Length “Z”D6536/D6536M 182


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