ISO INTERNATIONAL STANDARD 1133-2 First edition 2011-12-01 PlasticsDeterminationofthemelt mass-flow rate (MFR)and melt volume- flowrate (MVR)ofthermoplastics Part 2: Methodformaterialssensitivetotime temperaturehistoryand/ormoisture Plastiques--Determination de l'indicedefluidite a chauddes thermoplastiques, en masse (MFR) et en volume (MVR)- Partie 2:Methode pourles materiaux sensibles a I'historique temps- temperature et/ou a I'humidite Referencenumber ISO1133-2:2011(E) @ISO2011 ISO1133-2:2011(E) COPYRIGHTPROTECTEDDOCUMENT ISO2011 electronicormechanical,includingphotocopyingandmicrofilmwithoutpermissionin writingfromeithersOattheaddressbeloworsO's memberbodyin thecountryofthe requester. ISO copyright office Case postale 56 :CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 4122 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland tional Organization for Standardizatior ISO 2011-All rights reserved Licensee-UniversitadiBologna/5930975001,User-bao,zhou No reproduction or networking permited without license from IHS Not forResale,12/09/201601:28:01MST ISO1133-2:2011(E) Contents Page Foreword .iv Introduction 1 Scope. 2 Normative references.. 3 Termsand definitions. 4 Principle. 5 Apparatus. 5.1 Extrusionplastometer. 5.2 Accessoryequipment. 6 Test sample... 6.1 Sampleform.... 6.2 Samplepre-treatmentandstorage. 7 Temperatureverification,cleaningandmaintenanceoftheapparatus 7.1 Verification of thetemperature-control system. 7.2 Cleaningthe apparatus. 7.3 Vertical alignmentoftheinstrument. 8 Procedural set-up 8.1 General..... 8.2 Selection of temperature and load 8.3 Cleaning..... 8.4 Selectionof samplemassand chargingthe cylinder 9 Procedure... 9.1 Selectionoftemperatureandload 9.2 Minimumpistondisplacementdistance 9.3 Timerdevice. 9.4 Preparationforthetest. 9.5 Measurement.. 9.6 Expressionofresults 10 Flow rate ratio (FRR). 8 11 Precision. 12 Test report. 9 AnnexA(informative)Verificationoftemperatureinthecylinder 10 AnnexB (informative)RepeatedMVRdeterminations on differentmaterials carriedout in linewiththis part of Iso 1133. Bibliography 16 ii ds Bodies 75001, User=bao, zhou