1、Designation:D2911/D2911M16Standard Specification forDimensions and Tolerances for Plastic Bottles1This standard is issued under the fixed designation D2911/D2911M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revis
2、ion.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the thread configuration anddimensions for finishes for plastic bottles with screw-typeclosures,having a m
3、aximum capacity of 18.9 L(5 gal)and amaximum bottle dimension of 305 mm(12 in.).Included aretolerances for bottle capacity and body dimensions.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact
4、equivalents;therefore,each system shall be used independently of the other.Combining values from the two systems may result in non-conformance with the standard.1.3 The following precautionary caveat pertains only to thetest methods portion,Section 8 of this specification.Thisstandard does not purpo
5、rt to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE1There is no known ISO equivalent to this stand
6、ard.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1898 Practice for Sampling of Plastics(Withdrawn 1998)33.Terminology3.1 Definitions:3.1.1 bottle finishthe configuration of the neck or openingof the bottle which serves to engage specific parts of thec
7、losure in order to securely attach it to the bottle.3.1.2 bottle heightthe maximum dimension of a bottle ina plane perpendicular to the bottle base when the bottle issetting in its normal upright position.3.1.3 bottle thicknessthe smaller dimension in a planeparallel to the bottle base.3.1.4 bottle
8、widththe larger dimension in a plane parallelto the bottle base.4.Dimensions and Recommended Variations4.1 Recommended Variations in Overflow CapacityInoverflow capacity recommended variations of plastic bottles upto 18.9 L(5 gal)in size shall be in accordance with Table 1.4.2 Recommended Variations
9、 in Body DimensionsTherecommended variations in the body dimensions of plasticbottles covered by this specification shall be in accordance withTable 2.4.3 Finish Dimensions and DesignThe bottle finish di-mensions and design for the nine finishes covered by thisspecification shall be in accordance wi
10、th Figs.1-8 and Tables3-10.5.Sampling5.1 A batch or lot shall be considered as a unit of manufac-ture.5.2 Unless otherwise agreed upon between manufacturerand purchaser,the material shall be sampled in accordancewith the procedure described in Section 9 of Practice D1898.Adequate statistical samplin
11、g prior to packaging shall beconsidered an acceptable alternative.6.Conditioning6.1 ConditioningCondition the test specimens in accor-dance with Procedure A of Practice D618,unless otherwisespecified by contract or the relevant ASTM material specifica-tion.Conditioning time is specified as a minimum
12、.Tempera-ture and humidity tolerances shall be in accordance withSection 7 of Practice D618,unless specified differently bycontract or material specification.6.2 Test ConditionsConduct the tests at the same tempera-ture and humidity used for conditioning with tolerances in1This specification is unde
13、r the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.19 on Film,Sheeting,and Molded Products.Current edition approved April 1,2016.Published April 2016.Originallyapproved in 1970.Last previous edition approved in 2010 as D2911-10.DOI:10.1520/D2911-
14、16.2For 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.3The last approved version of this historical standard is refer
15、enced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 accordance with Section 7 of Practice D618,unless otherwisespecified by contract or the relevant ASTM ma
16、terial specifica-tion.7.Apparatus7.1 For Determining Bottle Capacity:7.1.1 Balance,having an accuracy of 60.1%or better atrated capacity(full scale).7.1.2 Pipet,Graduated Cylinder,and Beaker,as required.7.1.3 Conditioned water at 23 6 2.0C(73.46 3.6F)containing a wetting agent sufficient to flatten the meniscus andeliminate air bubbles.NOTE2It is acceptable to use any liquid detergent as the wettingagent.7.1.4 Stop Watch or Comparable Timing Device.7.2 For Determining Finish and Body Dimensions:
