1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirelyvoluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefro
2、m, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2004 SAE InternationalAll rights reserved. No part of this publication may be
3、reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying,recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: 724-776-4970 (outside USA)Fax: 724-
4、776-0790Email: custsvcsae.orgSAE WEB ADDRESS: http:/www.sae.orgSURFACEVEHICLERECOMMENDEDPRACTICEJ2642ISSUEDJAN2004Issued 2004-01Recommended Practice for Developing Specifications for Automotive Thermoplastic Materials1. Scope1.1 This SAE Recommended Practice is intended to establish uniform procedur
5、es for developing specifications forautomotive thermoplastics. It is intended for use by automotive companies and their suppliers of molded and/or fabricated parts from thermoplastic materials.1.2 This document lists those test methods and procedures that are useful for the development of specificat
6、ionsfor automotive thermoplastic materials. Not all tests are applicable to all thermoplastic materials. Appendix Acontains a cross-reference of appropriate test methods for each family of thermoplastic material. The testmethods may change (be added or deleted) in future revisions.1.3 This document
7、categorizes the test methods and procedures for developing specifications for automotivethermoplastic materials by categories:a. Lot releaseb. Certificationc. Initial characterization1.3.1 LOT RELEASEMeasure of lot-to-lot consistency.1.3.2 CERTIFICATIONPeriodic check inspection against a specificati
8、on.1.3.3 INITIAL CHARACTERIZATIONDefine general characteristics for application development.It is important to distinguish the usefulness of the individual test methods to assure consistent quality withoutexpending unnecessary resources.1.4 This document allows for use of recycled, reconstituted, an
9、d/or recycled-regrind materials provided that thethermoplastic material:a. Has not been altered or modified to change its suitability for safe processing or the materials generalcharacteristics, b. Meets the requirements of its intended use and is identified as such.Copyright SAE International Provi
10、ded by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE J2642 Issued JAN2004-2-1.5 PurposeThe purpose of this document is to define the test methods used to characterize thermoplasticmaterials for the development of automotive specifica
11、tions.2. References2.1 Applicable PublicationsThe following publications form a part of this specification to the extent specifiedherein. Unless otherwise indicated, the latest version of SAE publications shall apply.2.1.1 SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15
12、096-0001.SAE J576Plastic Materials for Use in Optical Parts Such as Lenses and Reflectors of Motor VehicleLighting DevicesSAE J578Color SpecificationSAE J1344Marking of Plastic PartsSAE J1545Instrumental Color Difference Measurement for Exterior Finishes, Textiles and Colored TrimSAE J1756Test Proce
13、dure to Determine the Fogging Characteristics of Interior Automotive MaterialsSAE J1885Accelerated Exposure of Automotive Interior Trim Components Using a Controlled IrradianceWater Cooled Xenon-Arc ApparatusSAE J1960Accelerated Exposure of Automotive Exterior Materials Using a Controlled Irradiance
14、 WaterCooled Xenon-Arc ApparatusSAE J1976Outdoor Weathering of Exterior Materials2.1.2 ASTM STANDARDSAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.ASTM D 1003Standard Test Method for Haze and Luminous Transmittance of Transparent PlasticsASTM D 1693Standard Test Method
15、 for Environmental Stress-Cracking of Ethylene PlasticsASTM D 3763Standard Test Method for High Speed Puncture Properties of Plastics using Load andDisplacement SensorsASTM D 4349Classification System for Polyphenylene Ether (PPE) MaterialsASTM D 4673Standard Classification System for Acrylonitrile-
16、butadiene-styrene (ABS) Plastics andAlloys Molding and Extrusion MaterialsASTM D 4976Standard Specification for Polyethylene Plastics Molding and Extrusion Materials2.1.3 ISO PUBLICATIONSAvailable from ANSI, 25 West 43rd Street, New York, NY 10036-8002.ISO 75-1PlasticsDetermination of temperature of
17、 deflection under loadPart 1: General test methodISO 75-2PlasticsDetermination of temperature under loadPart 2: Plastics and eboniteISO 105/A02TextilesGrey scale for assessing change in colorISO 178PlasticsDetermination of flexural propertiesISO 179-1PlasticsDetermination of Charpy impact properties
18、Part 1: Non-instrumented impact testISO 180PlasticsDetermination of Izod impact strengthISO 188Rubber, vulcanized or thermoplasticAccelerated aging and heat resistance testsISO 293PlasticsCompression moulding of test specimens of thermoplastic materialsISO 294-1PlasticsInjection moulding of test spe
19、cimens of thermoplastic materialsPart 1: Generalprinciples, and moulding of multi-purpose and bar specimensISO 294-3PlasticsInjection moulding of test specimens of thermoplastic materialsPart 3: SmallplatesISO 294-4PlasticsInjection moulding of test specimens of thermoplastic materialsPart 4:Determi
20、nation of moulding shrinkageISO 306PlasticsThermoplastic materialsDetermination of Vicat softening temperature (VST)ISO 489PlasticsDetermination of refractive indexISO 527-1PlasticsDetermination of tensile propertiesPart 1: General principlesCopyright SAE International Provided by IHS under license
21、with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE J2642 Issued JAN2004-3-ISO 527-2PlasticsDetermination of tensile propertiesPart 2: Test conditions for moulding andextrusion plasticsISO 974PlasticsDetermination of the brittleness temperature by impactISO
22、 1133PlasticsDetermination of melt mass-flow rate (MFR) and melt volume-flow rate (MVR) ofthermoplasticsISO 1183-1PlasticsMethods for determining the density and relative density of non-cellular plasticsISO 1183-3PlasticsMethods for determining the density and relative density of non-cellular plasti
23、csPart 3: Gas pyknometer methodISO 1872-2PlasticsPolyethylene (PE) moulding and extrusion materialsPart 2: Preparation of testspecimens and determination of propertiesISO 1873-2PlasticsPolypropylene (PP) moulding and extrusion materialsPart 2: Preparation of testspecimens and determination of proper
24、tiesISO 1874-2PlasticsPolyamide (PA) moulding and extrusion materialsPart 2: Preparation of testspecimens and determination of propertiesISO 3167PlasticsMultipurpose test specimensISO 3451-1PlasticsDetermination of ashPart 1: General methodsISO 3451-2PlasticsDetermination of ashPart 2: Poly (alkylen
25、e terephthalate) materialsISO 3451-3PlasticsDetermination of ashPart 3: Unplasticized cellulose acetateISO 3451-4PlasticsDetermination of ashPart 4: PolyamidesISO 3451-5PlasticsDetermination of ashPart 5: Poly(vinyl chloride)ISO 3795Road vehicles, and tractors and machinery for agriculture and fores
26、tryDetermination ofburning behavior of interior materialsISO 7391-2PlasticsPolycarbonate (PC) moulding and extrusion materialsPart:2 Preparation of testspecimens and determination of propertiesISO 7792-2PlasticsThermoplastic polyester (TP) moulding and extrusion materialsPart 2:Preparation of test s
27、pecimens and determination of propertiesISO 8257-2PlasticsPoly(Methyl Methacrylate) (PMMA) moulding and extrusion materialsPart 2:Preparation of test specimens and determination of propertiesISO 9988-2PlasticsPolyoxymethylene (POM) moulding and extrusion materialsPart 2: Preparationof test specimens
28、 and determination of propertiesISO 11357-1PlasticsDifferential scanning colorimetry (DSC)Part 1: General principlesISO 11357-3PlasticsDifferential scanning colorimetry (DSC)Part 3: Determination of temperature ofenthalpy and melting and crystallizationISO 11358PlasticsThermogravimetry (TG) of polym
29、ersGeneral principlesISO 11359-1PlasticsThermomechanical analysis (TMA)Part 1: General principlesISO 11359-2PlasticsThermomechanical analysis (TMA)Part 2: Determination of coefficient of linearthermal expansion and glass transition temperatureISO 11403-1PlasticsAcquisition and presentation of compar
30、able multipoint dataPart 1: MechanicalpropertiesISO 11469PlasticsGeneric Identification and Marking of Plastic Products3. Testing and Conditioning3.1 Test Specimensa. 150 min x 10 x 4.0 mm tensile test specimen 1. ISO 3167, Type 1A injection molded according to ISO 294-1 and relevant material standa
31、rd.2. ISO 3167, Type 1B machined from plaque compression molded according to ISO 293 and relevantmaterial standard.b. 80 x 10 x 4 mm machined from center of ISO 3167, Type 1A injection molded bar or compressionmolded plaque. Specimens of small length (1550 MPa40,23, 10040,23, 10040,23, 10080100 1201
32、20 120 12030 to 10030 to 10030 to 100yesyesyesyesyesyesyesyesyesTPES(thermoplastic polyesters)ISO 7792-240, 23, 100, 15012014030 to 150yesyesyesCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SAE J26
33、42 Issued JAN2004-11-TABLEA2BINITIAL CHARACTERIZATION OFAUTOMOTIVEMATERIALSMaterialMultiaxialImpactCharpyImpactat 40 CIzod(1)Impactat 40 C1.Notched Izod impact is includedonly for those materials that do not haveadata base on notched Charpyimpact. It is intended for use only until the data for notch
34、ed Charpyimpact havebeen compiled and will beremoved after 2005.LuminousTransmittanceHazeIndexofRefractionBrittlenessTemperatureDSCScanRateC/min.PA(polyamide)(2)2.Samples conditioned in a moisture proof container at 23C 2 Cfor at least 24 hours.yesyesnonononono10PC(polycarbonate) yesnoyesyesyesnono2
35、0PC+ABS(polycarbonate+acrylonitrile/butadiene/styreneyesnoyesnononono20PE(polyethylene) branchednonononononoyes(3)3.Only materials with a melt flowrate less than0.4 g/10 min.linearyes(4)4.Only materials using a21.6 kg loadfor melt flowrate determination.nononononoyes(3)20PMMA(polymethyl-methacrylate
36、)general purposenononoyesyesyesnohigh heatnononoyesyesyesnoimpact modifiednonoyesyesyesyesno20POM(polyoxymethylene)homopolymer noyesnononononocopolymernoyesnonononono10PP(polypropylene)yesyes(5)5.Notched impact at 20 C for heterophasic copolymers only.yes(5)nononono10PPE(polyphenylene ether)nonoyesn
37、ononono10SMA(styrene/maleic anhydride)yesnoyesnononono10TEO(thermoplastic elastomeric olefins)flexmod 1550MPayesyesyesno no nono no nono no nono no nono no nono no no20TPES(thermoplastic polyester)yesyesnonononono10Copyright SAE International Provided by IHS under license with SAENot for ResaleNo re
38、production or networking permitted without license from IHS-,-,-SAE J2642 Issued JAN2004RationaleNot applicable.Relationship of SAE Standard to ISO StandardNot applicable.ApplicationThis SAE Recommended Practice is intended to establish uniform procedures for developingspecifications for automotive
39、thermoplastics. It is intended for use by automotive companies and theirsuppliers of molded and/or fabricated parts from thermoplastic materials.This document lists those test methods and procedures that are useful for the development ofspecifications for automotive thermoplastic materials. Not all
40、tests are applicable to all thermoplasticmaterials. Appendix A contains a cross-reference of appropriate test methods for each family ofthermoplastic material. The test methods may change (be added or deleted) in future revisions.Reference SectionSAE J576Plastic Materials for Use in Optical Parts Su
41、ch as Lenses and Reflectors of Motor VehicleLighting DevicesSAE J578Color SpecificationSAE J1344Marking of Plastic PartsSAE J1545Instrumental Color Difference Measurement for Exterior Finishes, Textiles and ColoredTrimSAE J1756Test Procedure to Determine the Fogging Characteristics of Interior Autom
42、otive MaterialsSAE J1885Accelerated Exposure of Automotive Interior Trim Components Using a ControlledIrradiance Water Cooled Xenon-Arc ApparatusSAE J1960Accelerated Exposure of Automotive Exterior Materials Using a Controlled IrradianceWater Cooled Xenon-Arc ApparatusSAE J1976Outdoor Weathering of
43、Exterior MaterialsASTM D 1003Standard Test Method for Haze and Luminous Transmittance of Transparent PlasticsASTM D 1693Standard Test Method for Environmental Stress-Cracking of Ethylene PlasticsASTM D 3763Standard Test Method for High Speed Puncture Properties of Plastics using Load andDisplacement
44、 SensorsASTM D 4349Classification System for Polyphenylene Ether (PPE) MaterialsASTM D 4673Standard Classification System for Acrylonitrile-butadiene-styrene (ABS) Plastics andAlloys Molding and Extrusion MaterialsASTM D 4976Standard Specification for Polyethylene Plastics Molding and Extrusion Mate
45、rialsISO 75-1PlasticsDetermination of temperature of deflection under loadPart 1: General testmethodISO 75-2PlasticsDetermination of temperature under loadPart 2: Plastics and eboniteCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitt
46、ed without license from IHS-,-,-SAE J2642 Issued JAN2004ISO1 105/A02TextilesGrey scale for assessing change in colorISO 178PlasticsDetermination of flexural propertiesISO 179-1PlasticsDetermination of Charpy impact propertiesPart 1: Non-instrumented impact testISO 180PlasticsDetermination of Izod im
47、pact strengthISO 188Rubber, vulcanized or thermoplasticAccelerated aging and heat resistance testsISO 293PlasticsCompression moulding of test specimens of thermoplastic materialsISO 294-1PlasticsInjection moulding of test specimens of thermoplastic materialsPart 1: Generalprinciples, and moulding of
48、 multi-purpose and bar specimensISO 294-3PlasticsInjection moulding of test specimens of thermoplastic materialsPart 3: SmallplatesISO 294-4PlasticsInjection moulding of test specimens of thermoplastic materialsPart 4:Determination of moulding shrinkageISO 306PlasticsThermoplastic materialsDetermination of Vicat softening temperature (VST)ISO 489PlasticsDetermination of refractive indexISO 527-1PlasticsDetermination of tensile propertiesPart 1: General principlesISO 527-2PlasticsDetermination of tensile propertiesPart 2: Test conditions for moulding andextrusion plasticsISO 9
