BS EN 13677-2-2003 Reinforced thermoplastic moulding compounds - Specification for GMT - Methods of test and general requirements《增强的热塑塑料模塑复合材料 GMT规范 试验方法和一般要求》.pdf

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1、BRITISH STANDARD BS EN 13677-2:2003 Reinforced thermoplastic moulding compounds Specification for GMT Part 2: Methods of test and general requirements The European Standard EN 13677-2:2003 has the status of a British Standard ICS 83.120 BS EN 13677-2:2003 This British Standard was published under th

2、e authority of the Standards Policy and Strategy Committee on 21 February 2003 BSI 21 February 2003 ISBN 0 580 41290 3 National foreword This British Standard is the official English language version of EN 13677-2:2003. The UK participation in its preparation was entrusted to Technical Committee PRI

3、/42, Fibre reinforced thermosetting plastics and prepregs, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in

4、this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a

5、contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposa

6、ls for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 23 and a back cover. The BSI copyright date displayed

7、 in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN136772 February2003 ICS83.120 Englishversion ReinforcedthermoplasticmouldingcompoundsSpecification forGMTPart2:Methodsoftestandgen

8、eralrequirements PrimprgnsrenforcsthermoplastiquesSpcifications desGMTPartie2:Mthodesdessaietexigences gnrales VerstrkteThermoplastFormmassenSpezifikationfr GMTTeil2:PrfverfahrenundallgemeineAnforderungen ThisEuropeanStandardwasapprovedbyCENon28November2002. CENmembersareboundtocomplywiththeCEN/CENE

9、LECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthre

10、eofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,Fr

11、ance,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allr

12、ightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN136772:2003EEN136772:2003(E) 2 Contents page Foreword4 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 GeneralRequirements .6 4.1 Appearance.6 4.2 Packaging .6 4.3 Labelling .6 5 Sampling.6 5.1 C

13、ertificateofConformity. 6 5.2 Resolutionofqualityissues .7 6 Preparationofplaquesandtestspecimens . 7 6.1 Testplaques .7 6.2 Preparationofspecimens .8 7 ListofProperties 9 AnnexA (normative) Procedurefordeterminingthewarpageofblanks12 A.1 Principle12 A.2 Apparatus .12 A.3 Procedure .12 A.4 Calculati

14、onandreportofresults. .12 AnnexB (normative) Procedurefordeterminingtherectangularityofblanks 13 B.1 Principle13 B.2 Apparatus .13 B.3 Procedure .13 B.4 Calculationandreportofresults. .13 AnnexC (normative) ProcedurefordeterminingthematerialtemperatureofGMTblankspriorto mouldingtestplaques .14 C.1 G

15、eneral14 C.2 Principle14 C.3 Apparatus .14 C.4 Procedure .14 C.5 Calculationandreportofresults. .14 AnnexD (normative) Procedurefordeterminingtheblankweightandblankdimensions 15 D.1 Principle15 D.2 Apparatus .15 D.3 Procedure .15 D.4 Calculationandpresentationofresults . .15 AnnexE (normative) Proce

16、durefordeterminingtheshrinkageafterprocessing .16 E.1 Principle16 E.2 Apparatus .16 E.3 Procedure .16 E.4 Calculationandpresentationofresults . .16 AnnexF (normative) Procedurefordeterminingthethermalprocessingstability17 F.1 General17 F.2 Principle17 F.3 Apparatus .17 F.4 Procedure .17EN136772:2003

17、(E) 3 F.5 Calculationandpresentationofresults . .18 AnnexG (normative) Procedurefordeterminingtheflowinducedanisotropy .19 G.1 General19 G.2 Principle19 G.3 Apparatus .19 G.4 Procedure .19 G.5 Calculationandpresentationofresults . .20 AnnexH (normative) Parametersforheatingovensforblanksformouldingt

18、esttensileplaques .21 AnnexI (informative) DefinitionofGMTproductiondirection22 Biblioqraphy 23EN136772:2003(E) 4 Foreword Thisdocument(EN136772:2003)hasbeenpreparedbyTechnicalCommitteeCEN /TC 249“Plastics“,the secretariatofwhichisheldbyIBN. ThisEuropeanStandardshallbegiventhestatusofanationalstanda

19、rd,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2003. ThisstandardisonepartofEN13677whichisstructuredasfollows: ReinforcedthermoplasticmouldingcompoundsSpecificationforGMT Part1:Designation Part2:Metho

20、dsoftestandgeneralrequirements Part3:Specificrequirements AnnexesAtoHarenormative.AnnexIisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,G

21、ermany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN136772:2003(E) 5 1Scope ThisEuropeanStandarddefinesthegeneralrequirementsapplicabletothespecificationofalltypesofglassmat reinforcedpolypropylenecomposites

22、heet(GMT)fallingwithinthescopeofthisspecificationasdefinedinPart1of thestandardincludingthesamplingprocedures,packaging,storageandlabellingrequirements. ThisEuropeanStandarddescribestheprocedurestobefollowedinthepreparationmouldedplaquesfromwhich arecutthetestspecimensforthedeterminationofmechanical

23、propertiesasspecifiedinParts1&3. ThisEuropeanStandardalsodefinesthetestmethodstobeusedtodeterminethedesignatedandspecified propertiesgiveninParts1&3respectively. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesa

24、recitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(in

25、cludingamendments). EN10204, MetallicproductsTypesofinspectiondocuments . ENISO752, PlasticsDeterminationoftemperatureofdeflectionunderloadPart2:Plasticsandebonite(ISO 752:1993) . ENISO1792, PlasticsDeterminationofCharpyimpactpropertiesPart2:Instrumentedimpacttest(ISO179 2:1997). ENISO472:2001, Plas

26、ticsVocabulary(ISO472:1999) . ENISO5272, PlasticsDeterminationoftensilepropertiesPart2:Testconditionsformouldingandextrusion plastics(ISO5272:1993includingCorr1:1994). ENISO5274, PlasticsDeterminationoftensilepropertiesPart4:Testconditionsforisotropicandorthotropic fibrereinforcedplasticcomposites(I

27、SO5274:1997) . ENISO1172, TextileglassreinforcedplasticsPrepregs,mouldingcompoundsandlaminatesDeterminationof thetextileglassandmineralfillercontentCalcinationmethods(ISO1172:1996) . ENISO3146,PlasticsDeterminationofmeltingbehaviour(meltingtemperatureormeltingrange)ofsemi crystallinepolymersbycapill

28、arytubeandpolarizingmicroscopemethods(ISO3146:2000) . ENISO66032, PlasticsDeterminationofpunctureimpactbehaviourofrigidplasticsPart2:Instrumented puncturetest(ISO66032:2000) . ENISO114032, PlasticsAcquisitionandpresentationofcomparablemultipointdataPart2:Thermaland processingproperties(ISO114032:199

29、5). ISO1183, PlasticsMethodsfordeterminingthedensityandrelativedensityofnoncellularplastics . ISO2577, PlasticsThermosettingmouldingmaterialsDeterminationofshrinkage . 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninENISO472:2001apply.EN136772:2003(E) 6 4 Gene

30、ralRequirements 4.1Appearance 4.1.1Surface Theglassfibrereinforcementshallbethoroughlyimpregnatedwiththepolypropylenematrix.Nounimpregnated fibrebundlesshallbevisibleonthesurfaceofan“assupplied“blankafterheatingtothemouldingtemperatureas definedin6.1.5. 4.1.2Rectangularity Ifsuppliedasprecutblank,re

31、ctangularityshallbedeterminedbymeasuringthediagonalsofablankusingthe proceduregiveninthenormativeannexB. 4.1.3Warpage Warpageofblanksshallbedeterminedbyguidingatemplateoverablankusingtheproceduregiveninthe normativeannexA. 4.2Packaging Unlessagreedtothecontrarybetweencustomerandsupplier,theGMTmateri

32、alshallbesuppliedpackedon palletssuitableforhandlingbyforkliftstackertruckandtransportationbyroadtruckwithoutslippingofindividual blanksordistortionofthepalletlikelytogiverisetoinstabilityofthepallet. 4.3Labelling Eachpackageshallbeclearlyidentifiedwith: 4.3.1 Referencetothedesignationcode. 4.3.2 Pr

33、oducttype. 4.3.3 Numberoftheproductionlot. 4.3.4 Numberofthepalletwiththelot. 4.3.5 Blankorcoildimensions. 4.3.6 Grossandnetweightofthepallet. 4.3.7 Thenumberofblanksorcoilsmayalsobeincluded(optional). 5Sampling 5.1General ThepropertiesofGMTshallbemeasuredbythemanufactureroneoccasiononlyoneachlotand

34、documentedin theformofacertificateofconformity.Onelotis,asamaximum,theamountofGMTproducedwithoutchanging theproductspecification. 5.2CertificateofConformity Samplesshallbetakenoutoftheproductionasneededtoundertakeboththeobligatorytestsdefinedinthis specificationplussuchotheroptionaltestsasmaybeagree

35、dbetweencustomerandsupplier.Theresultsofthese testsshallbereportedinthecertificateofconformity.Thecertificateshallcomplywiththerequirementsof EN10204.EN136772:2003(E) 7 5.3Resolutionofqualityissues Inthecasewhenissuesofqualityarisebetweencustomerandsupplierretestingofthematerialisnecessary.The sampl

36、ingandtestsshallbeundertakenasfollows. 5.3.1 Samplingformeasurementofblankweightandblankdimensions(thickness,widthandlength) 30blanksshallbetakenatrandomfromthetopofthepalletinquestion.Blankweightsanddimensionsshallbe measuredoneachblankandreportedasthemeanofthe30individualvaluesforeachofthe30blanks

37、. 5.3.2 Samplingformeasurementoffibrecontentanddensity 5blanksshallbetakenatrandomfromthetopofthepalletinquestion.Fromthecentreofeachblankatest specimenofsuitablesizeshallbecutforthedeterminationofthedensity(ISO 1183)andthefibrecontent (ENISO1172).Thetestresultshallbereportedasthemeanofthedeterminat

38、iononthe5individualblanks. 5.3.3 Samplingfortestplaquesformechanicaltesting Retestingrequires10testspecimens.5testspecimensshallbecutfromeachof2testplaquesinaccordance with6.2.Eachtestplaqueshallbemouldedinaccordancewith6.1.Iftheblanksizeistoosmallfortakingblanks forthetestplaquestwoalternativesarer

39、ecommended,deliverywitheachlotofeitherextrablankssuitablefor mouldingthetestplaquesormouldedtestplaques. 6 Preparationofplaquesandtestspecimens 6.1Testplaques GMTpartsareusuallymanufacturedbyacompressionflowmouldingprocess.Thereforethedeterminationofthe mechanicalpropertiesshallbemadeontestplaqueswh

40、ichhavealsobeenflowmoulded. 6.1.1 Surfaceareaofmould 200mmx200mmminimum. 6.1.2 Plaquethickness 40,2mm. 6.1.3Blank size Sincethetestplaquesaremouldedinaflowmouldingprocess,onlyapproximately50%ofthemouldareashallbe coveredbythestackofblanks. Whenthethicknessoftheblanksisintherange3,7mm3,8mm,twoequally

41、sizedsquareblanksshallbe selectedofasizesufficienttoachievethetarget4mmthicknessinthemouldedtestplaques.Ifthesheetsare thinnerthenumberofblanksmaybeincreased.Ifthesheetsarethicker,thenumberofblanksmaybereducedto one. 6.1.4Blank stacking When2blanksareusedtheyshallbestacked0/90inthecaseofrandomreinfo

42、rcedmaterialsand0/0inthe caseofUDmaterial.Threeormoreblanksshallbestackedsymmetrically(0/90/0:0/90/90/0:etc.)See informativeannexIforfurtherinformationonthedefinitionandstackingofblanksinthemould. Stacksofblanksshallbeplacedcentrallyintothemould.EN136772:2003(E) 8 6.1.5Blank temperature Theblanktemp

43、eratureusedtomouldthetestplaquesshallbe21010Cdeterminedinaccordancewiththe methodgiveninnormativeannexH. ShouldGMTshowevidenceofsmokingduringheatingitisevidenceofthermooxidativedegradationandmust strictlybeavoided.Materialthathasbeenseentosmokeduringheatingmustnotbeusedformouldingtest plaques.Evidenceofsmokingmayindicatethatthereisafaultintheblankheatingprocess.Seenormative annexHforfurtherinformationonrecommendedblankheatingparameters. 6.1.6Mould temperature Themouldtemperatureshallbe605C. 6.1.7 Sp

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