1、Designation: D5857 15D5857 17Standard Specification forPolypropylene Injection and Extrusion Materials Using ISOProtocol and Methodology1This standard is issued under the fixed designation D5857; the number immediately following the designation indicates the year oforiginal adoption or, in the case
2、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.INTRODUCTIONThis material specification is intended to provide a call out system for polypropylene utiliz
3、ingspecimen preparation procedures and test method based on ISO standards.This specification is not intended for the determination of the suitability of performance of materialsin the final application. Selection of these materials is to be made by personnel with expertise in theplastics field in wh
4、ich the environment, inherent properties of the materials, performance of the parts,part design, manufacturing process, and economics are considered.1. Scope*1.1 This specification covers polypropylene materials suitable for injection molding and extrusion. Polymers consist ofpolypropylene homopolym
5、ers, polypropylene copolymers, and polypropylene-elastomer compounds produced with or without theaddition of impact modifiers (ethylene-propylene rubber, polyisobutylene rubber, and butyl rubber, and so forth), colorants,stabilizers, lubricants, fillers, or reinforcements.1.2 This specification allo
6、ws for the use of those polypropylene materials that can be recycled, reconstituted, and reground,provided that the following conditions are met:1.2.1 The requirements as stated in this specification and other ISO guidelines pertaining to these types of materials are met,and1.2.2 The material has no
7、t been modified in any way to alter its conformance to food contact regulations or similar requirements.1.3 The proportions of recycled, reconstituted, and regrind material used, as well as the nature and the amount of anycontaminant, cannot be practically covered in this specification. It is the re
8、sponsibility of the supplier and buyer of recycled,reconstituted, and regrind materials to ensure compliance.1.4 The properties included in this classification system are those required to identify the compositions covered. Otherrequirements necessary to identify particular characteristics important
9、 to specialized applications can be specified by using thesuffixes as given in Section 5 and those in Classification System D4000.1.5 This classification system and specification are intended to provide a means of calling out polypropylene materials used inthe fabrication of end items or parts. It i
10、s not intended for the selection of materials. Material selection can be made by those havingexpertise in the plastic field only after careful consideration of the design and the performance required of the part, the environmentto which it will be exposed, the fabrication process to be employed, the
11、 costs involved, and the inherent properties of the materialother than those covered by this specification.1.6 The values stated in SI units are to be regarded as the standard.1.7 The following precautionary caveat pertains only to the test methods portion, Section 13, of this specification:Thisspec
12、ification does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of theuser of this specification to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.NOTE 1This specifica
13、tion is similar to both ISO 1873-1 and ISO 1873-2, but to different degrees. This specification resembles ISO 1873-1 in title1 This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materials.Current edi
14、tion approved April 1, 2015May 1, 2017. Published April 2015May 2017. Originally approved in 1996. Last previous edition approved in 20142015 asD5857 - 14.D5857 - 15. DOI: 10.1520/D5857-15.10.1520/D5857-17.This document is not an ASTM standard and is intended only to provide the user of an ASTM stan
15、dard 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 AST
16、M is to be considered the official document.*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 States1only. The content is significantly different. This specification and ISO 1873
17、-2 differ in approach or detail; data obtained using either are technicallyequivalent.1.8 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Gui
18、des and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsD1600 Terminology for Abbreviated Terms Relating to PlasticsD19
19、99 Guide for Selection of Specimens and Test Parameters from ISO/IEC Standards (Withdrawn 2000)3D3763 Test Method for High Speed Puncture Properties of Plastics Using Load and Displacement SensorsD3892 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic Mater
20、ialsD7209 Guide for Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products (Withdrawn2015)3E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications2.2 ISO Standards:4ISO 62 PlasticsDetermination of Water AbsorptionISO 75-1
21、PlasticsDetermination of Temperature of Deflection Under Load, Part 1: General Test MethodISO 75-2 PlasticsDetermination of Temperature of Deflection Under Load, Part 2: Plastics and EboniteISO 105 TextilesTests for Color FastnessISO 178 PlasticsDetermination of Flexural Properties of Rigid Plastics
22、ISO 179 PlasticsDetermination of Charpy Impact Strength of Rigid MaterialsISO 180 PlasticsDetermination of Izod Impact Strength of Rigid MaterialsISO 293 PlasticsCompression Moulding Test Specimens of Thermoplastic MaterialISO 294 PlasticsInjection Moulding of Test Specimens of Thermoplastic Materia
23、lISO 306 PlasticsThermoplastic MaterialsDetermination of Vicat Softening TemperatureISO 527-1 PlasticsDetermination of Tensile Properties, Part 1: General PrinciplesISO 527-2 PlasticsDetermination of Tensile Properties, Part 2: Test Conditions for Molding and Extrusion PlasticsISO 537 PlasticsTestin
24、g with Torsional PendulumISO 604 PlasticsDetermination of Compressive PropertiesISO 868 Plastics and EboniteDetermination of Indention Hardness by Means of a Durometer (Shore Hardness)ISO 877 PlasticsMethods of Exposure to direct Weathering, to Weathering Using Glass-Filtered Daylight, and to Intens
25、ifiedWeathering by Daylight Using Fresnel MirrorsISO 899 PlasticsDetermination of Tensile CreepISO 974 PlasticsDetermination of the Brittleness Temperature by ImpactISO 1133 PlasticsDetermination of Melt Flow Rate of ThermoplasticsISO 1183A PlasticsMethods for Determining the Density and Relative De
26、nsity of Non-Cellular PlasticsISO 1191 PlasticsPolyethylene and Polypropylenes in Dilute SolutionsDetermination of Viscosity Number and of LimitingViscosity NumberISO 1628-3 PlasticsDetermination of Viscosity Number and Limiting Viscosity Number, Part 3: Polyethylene andPolypropylene ResinsISO 1873-
27、1 PlasticsPropylene and Propylene-Copolymer Thermoplastics, Part 1: DesignationISO 1873-2 PlasticsPolypropylene (PP) and Propylene-Copolymer Thermoplastics, Part 2: Preparation of Test Specimens andDetermination of PropertiesISO 2039-1 PlasticsDetermination of Hardness, Part 1: Ball Indention Method
28、ISO 2039-2 PlasticsDetermination of Hardness, Part 2: Rockwell HardnessISO 2818 PlasticsPreparation of Test Specimens by MachiningISO 3451-1 PlasticsDetermination of Ash, Part 1: General MethodsISO 3795 Road Vehicles, and Tractors and Machinery for Agriculture and ForestryDetermination of Burning Be
29、havior ofInterior Materials2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved version of thi
30、s historical standard is referenced on www.astm.org.4 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.D5857 172ISO 4582 PlasticsDetermination of Changes in Colour and Variations in Properties after Exposure to Daylight Un
31、der Glass,Natural Weathering or Artificial LightISO 4589 PlasticsDetermination of Flammability by Oxygen IndexISO 4892-1 Methods of Exposure to Laboratory Light Sources, Part 1: General GuidanceISO 4892-2 PlasticsMethods of Exposure to Laboratory Light, Part 2: Xenon Arc ExposureISO 4892-3 PlasticsM
32、ethods of Exposure to Laboratory Light, Part 3: Fluorescent UV LampsISO 6427 PlasticsDetermination of Matter Extractable by Organic Solvents (Conventional Methods)ISO 6602 PlasticsDetermination of Flexural Creep by Three-Point LoadingISO 6603-1 PlasticsDetermination of Multiaxial Impact Behavior of
33、Rigid Plastics, Part 1: Falling Dart MethodISO 6603-2 PlasticsDetermination of Multiaxial Impact Behavior of Rigid Plastics, Part 2: Instrumented Puncture TestISO 8256 PlasticsDetermination of Tensile Impact PropertiesISO 9113 PlasticsPolypropylene (PP) and Propylene-Copolymer ThermoplasticsDetermin
34、ation of Isotactic IndexISO 10350 PlasticsAcquisition and Presentation of Comparable Single-Point DataISO 113573 PlasticsDifferential Scanning Calorimetry (DSC), Part 3: Determination of Temperature and Enthalpy ofMelting and CrystallizationISO 11403-1 PlasticsAcquisition and Presentation of Compara
35、ble Multi-Point Data, Part 1: Mechanical PropertiesISO 11403-2 PlasticsAcquisition and Presentation of Comparable Multi-point DataPart 3: Environmental Influences onPropertiesISO 20753 PlasticsTest Specimens2.3 IEC Standards:4IEC 93 Recommended Methods of Test for Volume and Surface Resistivities of
36、 Electrical Insulation MaterialsIEC 112 Recommended Method for Determining the Comparative Tracking Index of Solid Insulation Materials Under MoistConditionsIEC 243-1 Recommended Methods of Test for Electric Strength of Solid Insulating Materials at Power FrequenciesIEC 250 Recommended Methods for t
37、he Determination of the Permittivity and Dielectric Dissipation Factor of ElectricalInsulation Materials at Power, Audio, and Radio Frequencies Including Metre WavelengthsIEC 296 Specification for Unused Mineral Insulating Oils for Transformers and SwitchgearIEC 606951110 Fire Hazard Testing-Part 11
38、10: Test Flames-50 W Horizontal and Vertical Test Methods2.4 SAE Standards:5SAE J1545 Instrumental Color Difference Measurement for Exterior Finishes, Textiles and Color TrimSAE J1767 Instrumental Color Difference Measurement for Colorfastness of Automotive Interior Trim MaterialsSAE J1976 Outdoor W
39、eathering of Exterior MaterialsSAE J2412 Accelerated Exposure ofAutomotive InteriorTrim Components Using a Controlled Irradiance Xenon-ArcApparatusSAE J2527 Performance Based Standard for Accelerated Exposure of Automotive Exterior Materials Using a ControlledIrradiance Xenon-Arc Apparatus3. Termino
40、logy3.1 DefinitionsDefinitions of terms and abbreviations applying to this specification appear in Terminologies D883 and D1600and Guide D7209.3.2 Definitions of Terms Specific to This Standard:3.2.1 back pressure, nthe constant pressure that is applied to the end of the screw while the screw is rot
41、ating and retractingto prepare for the next injection.3.2.2 brittle failure, none where the specimen test area is broken into two or more pieces, with sharp edges, and shows almostno plastic flow.3.2.3 cooling time, nthe time during which the material is in the closed mold with no pressure applied.3
42、.2.4 cycle time, nthe time required to complete a full injection molding cycle, including injection time, cooling time, andmold open time.3.2.5 ductile brittle transition temperature, nthe temperature at which a minimum of 80 % of the specimens exhibit ductilefailure.3.2.6 ductile failure, none wher
43、e the specimen deforms plastically before fracturing such that the cracks do not radiate morethan 10 mm beyond the center of the impact point.3.2.7 injection pressure, nthe constant pressure that is applied to the end of the screw, causing the melted material to fill themold.5 Available from Society
44、 of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http:/www.sae.org.D5857 1733.2.7.1 DiscussionThe injection pressure along with the injection speed determines the volumetric fill rate of the mold.3.2.8 injection time, nthe time during which a constant specified pressu
45、re is applied to the melted material.3.2.9 injection velocity, nthe average velocity of the melt as it passes through the cross-sectional area of a cavity of a single-or multi-cavity mold at the position that forms the critical portion of the test specimen.3.2.10 melt temperature, nthe temperature o
46、f the material as it is being injected into the mold, measured by a pyrometer.3.2.11 mold open time, nthe time beginning when the mold is opened and ending when the mold is closed.3.2.12 mold temperature, nthe temperature of the mold during the molding cycle, measured in all mold cavities and on bot
47、hplatens.3.2.13 polypropylene (PP)a propylene plastic prepared by the polymerization of propylene or propylene with other alphaolefins (see also PP-H, PP-R, and PP-B).3.2.14 polypropylene heterophasic copolymers (PP-B)a propylene plastic consisting of two or more separate phases. Theseinclude PP+EPR
48、, PP+EPDM, PP+IIR, PP+BR, and so forth.3.2.14.1 DiscussionThe phases consist of a polypropylene homopolymer (PP-H) or a polypropylene random copolymer (PP-R) matrix containing adispersed olefinic elastomer having no other functional group, added in situ or physically blended into the polypropylene m
49、atrix.3.2.15 polypropylene homopolymer (PP-H)a propylene plastic prepared by the polymerization of propylene only.3.2.16 polypropylene random copolymer (PP-R)a propylene plastic containing another olefinic monomer (or monomers)having no functional group other than the olefinic group copolymerized with propylene.3.2.16.1 DiscussionPolypropylene random copolymers containing more than one additional monomer are often called terpolymers.4. Classification4.1 Unreinforced polypropylene materials are classified in
