1、Designation:D598918Standard Specification forExtruded and Monomer Cast Shapes Made from Nylon(PA)1This standard is issued under the fixed designation D5989;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A n
2、umber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis specification is intended to be a means of calling out plastic products used in the fabricationof end items or parts.1.Scope*1.1 This
3、specification covers requirements and test methodsfor the material,dimensions,and workmanship,and the prop-erties of extruded and cast sheet,plate,rod and tubular bar,excluding pipe and fittings,manufactured from nylon ormonomers.1.2 The properties included in this specification are thoserequired fo
4、r the compositions covered.Requirements neces-sary to identify particular characteristics important to special-ized applications are described by using the classificationsystem given in Section 4.1.3 This specification allows for the use of recycled plastics(as defined in Guide D7209).1.4 The values
5、 stated in English units are regarded asstandard.The values in parentheses are for information only.1.5 The following precautionary caveat pertains only to thetest method portions of this specification.This standard doesnot purport to address all of the safety concerns,if any,associated with its use
6、.It is the responsibility of the user of thisstandard to establish appropriate safety,health,and environ-mental practices and determine the applicability of regulatorylimitations prior to use.NOTE1There is no known ISO equivalent to this standard.NOTE2This specification is intended to replace Federa
7、l StandardLP-410A and PS 50.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organi
8、zation TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastic
9、s and Electrical Insulating Materi-alsD883 Terminology Relating to PlasticsD3892 Practice for Packaging/Packing of PlasticsD6779 Classification System for and Basis of Specificationfor Polyamide Molding and Extrusion Materials(PA)D7209 Guide for Waste Reduction,Resource Recovery,andUse of Recycled P
10、olymeric Materials and Products(With-drawn 2015)32.2 Federal Standard:4LP-410A Nylon Stock Shapes3.Terminology3.1 Definitions:3.1.1 regrind(plastic),na product or scrap such as sprues,runners and edge trim that have been reclaimed by shreddingand granulating for use in-house.3.1.2 For definitions of
11、 other technical terms pertaining toplastics used in this specification,see Terminology D883 orGuide D7209.3.2 Definitions of Terms Specific to This Standard:3.2.1 finished product(F),nproduct that meets the dimen-sional criteria of Table 1,Table 2,Table 3,or Table 4 of thisspecification.1This speci
12、fication is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved Aug.1,2018.Published August 2018.Originallyapproved in 1998.Last previous edition approved in 2014 as D5989 14a.DOI:10.1520/D
13、5989-18.2For 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
14、referenced onwww.astm.org.4Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO
15、Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the
16、 World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.2.2 monomer-cast nylon,nnylon polymer prepared bypolymerization of epsilon-caprolactam or lauryllactam mono-mer.3.2.3 oversize product(O),nproduct that meets only thedesignated dimensional criteria of Table 2 or Table 4.3.2.4 plate,nflat stock greater than38in.(9.5 mm).3.2.5 recycled-plastic shape,na product made from up to100%post-consumer material.3.2.6 rod,nan extruded solid cylindrical shape with aminimum diameter of116i
