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BS EN ISO 1133-2 - PLASTICS - DETERMINATION OF THE MELT MASS-FLOW RATE (MFR) AND THE MELT VOLUME-FLOW RATE (MVR) OF THERMOPLASTICS - PART 2: METHOD FOR MATERIALS SENSITIVE TO TIME-TEMPERATURE HISTORY AND/OR MOISTURE

Available format(s)

Hardcopy , PDF

Superseded date

31-01-2012

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
   5.1 Extrusion plastometer
   5.2 Accessory equipment
6 Test sample
   6.1 Sample form
   6.2 Sample pre-treatment and storage
7 Temperature verification, cleaning and maintenance
   of the apparatus
   7.1 Verification of the temperature-control system
   7.2 Cleaning the apparatus
8 Procedure - set up
   8.1 General
   8.2 Selection of temperature and load
   8.3 Cleaning
   8.4 Selection of sample mass and charging the cylinder
9 Procedure
   9.1 Selection of temperature and load
   9.2 Minimum piston displacement distance
   9.3 Timer device
   9.4 Preparation for the test
   9.5 Measurement
       9.5.1 General
       9.5.2 Displacement measurement method
       9.5.3 Mass measurement method
   9.6 Expression of results
10 Flow rate ratio (FRR)
11 Precision
12 Test report
Annex A (informative) - Suggested test conditions for MVR
        measurement on materials that exhibit a rheological
        sensitivity to the time-temperature history and/or
        moisture
Annex B (informative) - Verification of temperature
        in the cylinder
Annex C (informative) - Repeated MVR determinations on different
        materials carried out in accordance with ISO 1133 Part 2

BS EN ISO 1133-2

Committee	PRI/21
DocumentType	Draft
Pages	24
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 1133-2:2011

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