ASTM_D_2911_-_10.pdf

Designation:D291110Standard Specification forDimensions and Tolerances for Plastic Bottles1This standard is issued under the fixed designation D2911;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 indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the thread configuration anddimensions for finishes for plastic bottles with screw-typeclosures,having a maximum 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 The values stated in SI units are to be regarded as thestandard.1.3 The following precautionary caveat pertains only to thetest methods portion,Section 8 of this specification.Thisstandard does not purport 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 standard.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Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD1898 Practice for Sampling of Plastics(Withdrawn 1998)33.Terminology3.1 Definitions:3.1.1 bottle finishthe configuration of the neck or openingof the bottle which serves to engage specific parts of theclosure 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 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 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 with 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 sampling prior to packaging shall beconsidered an acceptable alternative.6.Conditioning6.1 ConditioningCondition the test specimens at 23 62C(73.4 6 3.6F)and 50 6 5%relative humidity for not lessthan 40 h prior to test in accordance with Procedure A ofPractice D618 for those tests where conditioning is required.Incases of disagreement,the tolerances shall be 6 1C(61.8F)and 62%relative humidity.6.2 Test ConditionsConduct tests in the standard labora-tory atmosphere of 23 6 2C(73.4 6 3.6F)and 50 6 5%relative humidity,unless otherwise specified in the test meth-ods or in this specification.In cases of disagreement,thetolerances shall be 61C(61.8F)and 62%relative humid-ity.7.Apparatus7.1 For Determining Bottle Capacity:1This specification is under 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 July 1,2010.Published September 2010.Originallyapproved in 1970.Last previous edition approved in 2005 as D2911-94(2005).DOI:10.1520/D2911-10.2For 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 referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 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.7.2 For Determining Finish and Body Dimensions:7.2.1 Micrometers,Vernier Height Gages,or Vernier Cali-pers with an accuracy of 60.025 mm(60.001 in.).7.2.2 Internal Micrometers or Telescoping Gages with anaccuracy of 60.025 mm(60.001 in.).7.2.3 Commercial Scale,good quality calibrated in 1-mm or132-in.increments.8.Test Methods8.1 Bottle Capacity:8.1.1 Weigh the empty bottle and record the weight ingrams.8.1.2 Fill the bot