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BS EN ISO 1133-1:2022

BS EN ISO 1133-1:2022

$154.14

Plastics. Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics – Part 1: Standard method

Published By Publication Date Number of Pages
BSI 2022 40
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PDF Catalog

PDF Pages PDF Title
2 undefined
5 European foreword
Endorsement notice
10 Foreword
11 Introduction
12 1 Scope
2 Normative references
3 Terms and definitions
13 4 Principle
14 5 Apparatus
5.1 Extrusion plastometer
18 5.2 Accessory equipment
5.2.1 General
19 5.2.2 Equipment for procedure A (see Clause 8)
5.2.3 Equipment for procedure B (see Clause 9): Piston displacement transducer/timer
6 Test sample
6.1 Sample form
20 6.2 Conditioning
7 Temperature verification, cleaning and maintenance of the apparatus
7.1 ā€‹Verification of the temperature control system
7.1.1 ā€‹Verification procedure
21 7.1.2 Material used during temperature verification
7.2 Cleaning the apparatus
7.3 Vertical alignment of the instrument
8 Procedure A: mass-measurement method
8.1 Selection of temperature and load
22 8.2 Cleaning
8.3 Selection of sample mass and charging the cylinder
23 8.4 Measurements
24 8.5 Expression of results
8.5.1 General
8.5.2 Expression of results: standard die
8.5.3 Expression of results: half size die
25 9 Procedure B: displacement-measurement method
9.1 Selection of temperature and load
9.2 Cleaning
9.3 Minimum piston displacement distance
9.4 Selection of sample mass and charging the cylinder
9.5 Measurements
26 9.6 Expression of results
9.6.1 General
9.6.2 Expression of results: standard die
27 9.6.3 Expression of results: half size die
10 Flow rate ratio
28 11 Precision
12 Test report
30 Annex A (normative) Test conditions for MFR and MVR determinations
32 Annex B (informative) Conditions specified in International Standards for the determination of the melt flow rate of thermoplastic materials
33 Annex C (informative) Device and procedure for preforming a compacted charge of material by compression
36 Annex D (informative) Precision data for polypropylene obtained from an intercomparison of MFR and MVR testing
37 Bibliography

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BS EN ISO 1133-1:2022
$154.14