收藏 分享(赏)

ASTM_D_4000_-_16.pdf

上传人:益****师 文档编号:180082 上传时间:2023-03-04 格式:PDF 页数:22 大小:322.35KB
下载 相关 举报
ASTM_D_4000_-_16.pdf_第1页
第1页 / 共22页
ASTM_D_4000_-_16.pdf_第2页
第2页 / 共22页
ASTM_D_4000_-_16.pdf_第3页
第3页 / 共22页
ASTM_D_4000_-_16.pdf_第4页
第4页 / 共22页
ASTM_D_4000_-_16.pdf_第5页
第5页 / 共22页
ASTM_D_4000_-_16.pdf_第6页
第6页 / 共22页
亲,该文档总共22页,到这儿已超出免费预览范围,如果喜欢就下载吧!
资源描述

1、Designation:D400016Standard Classification System forSpecifying Plastic Materials1This standard is issued under the fixed designation D4000;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 parenth

2、eses 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 U.S.Department of Defense.1.Scope*1.1 This standard provides a classification system for tabu-lating the pro

3、perties of unfilled,filled,and reinforced plasticmaterials suitable for processing into parts.NOTE1The classification system serves many of the needs ofindustries using plastic materials.The standard is subject to revision as theneed requires;therefore,the latest revision should always be used.1.2 T

4、he classification system and subsequent line call-out(specification)is intended to be a means of identifying plasticmaterials used in the fabrication of end items or parts.It is notintended for the selection of materials.Material selectionshould be made by those having expertise in the plastics fiel

5、dafter careful consideration of the design and the performancerequired of the part,the environment to which it will beexposed,the fabrication process to be employed,the inherentproperties of the material not covered in this document,and theeconomic factors.1.3 This classification system is based on

6、the premise thatplastic materials can be arranged into broad generic familiesusing basic properties to arrange the materials into groups,classes,and grades.A system is thus established which,together with values describing additional requirements,per-mits as complete a description as desired of the

7、selectedmaterial.1.4 In all cases where the provisions of this classificationsystem would conflict with the referenced ASTM specificationfor a particular material,the latter shall take precedence.NOTE2When using this classification system the two-letter,three-digit suffix system applies.NOTE3When a

8、material is used to fabricate a part where therequirements are too specific for a broad material call-out,it is advisablefor the user to consult the supplier to secure a call-out of the properties tosuit the actual conditions to which the part is to be subjected.1.5 This standard does not purport to

9、 address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D149 Test Met

10、hod for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical InsulationD256 Test Methods for Determining the Izod PendulumImpa

11、ct Resistance of PlasticsD257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD395 Test Methods for Rubber PropertyCompression SetD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD471 Test Method for Rubber PropertyEffect of LiquidsD495 Test Method for

12、High-Voltage,Low-Current,Dry ArcResistance of Solid Electrical InsulationD569 Method for Measuring the Flow Properties of Ther-moplastic Molding Materials(Withdrawn 1995)3D570 Test Method for Water Absorption of PlasticsD573 Test Method for RubberDeterioration in an AirOvenD575 Test Methods for Rubb

13、er Properties in CompressionD618 Practice for Conditioning Plastics for TestingD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD638 Test Method

14、for Tensile Properties of PlasticsD648 Test Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise PositionD695 Test Method for Compressive Properties of RigidPlastics1This classification system is under the jurisdiction ofASTM Committee D20 onPlastics and is the direct res

15、ponsibility of Subcommittee D20.94 on Government/Industry Standardization(Section D20.94.01).Current edition approved April 1,2016.Published April 2016.Originallyapproved in 1982.Last previous edition approved in 2013 as D4000-13.DOI:10.1520/D4000-16.2For referenced ASTM standards,visit the ASTM web

16、site,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.*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 D706 Classification System and Basis for Specifications

展开阅读全文
相关资源
猜你喜欢
相关搜索

当前位置:首页 > 专业资料 > 国外标准

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2