ISO-1133-2005.pdf
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1、 Reference number ISO 1133:2005(E) ISO 2005 INTERNATIONAL STANDARD ISO 1133 Fourth edition 2005-06-01 Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics Plastiques Dtermination de lindice de fluidit chaud des thermoplastiques, en masse (MFR)
2、 et en volume (MVR) ISO 1133:2005(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing th
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5、at at the address given below. ISO 2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address
6、 below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2005 All rights reserved -,-,- ISO 1133:2005(E) ISO 2005 All rights
7、reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 2 4 Principle. 3 5 Apparatus 3 5.1 Extrusion plastometer 3 5.2 Accessory equipment. 6 6 Test sample . 7 6.1 Sample form 7 6.2 Conditioning 7 7 Temperature-calibration, cleaning and maintenance of th
8、e apparatus 7 7.1 Calibration of the temperature-control system . 7 7.2 Cleaning the apparatus 8 8 Procedure A: mass-measurement method 8 8.1 Selection of temperature and load 8 8.2 Cleaning. 8 8.3 Selection of sample mass and charging cylinder . 8 8.4 Measurements. 9 8.5 Expression of results . 10
9、9 Procedure B: displacement-measurement method 10 9.1 Selection of temperature and load 10 9.2 Minimum piston displacement distance. 10 9.3 Timer 11 9.4 Preparation for the test 11 9.5 Measurements. 11 9.6 Expression of results . 11 10 Flow rate ratio (FRR). 12 11 Precision 12 12 Test report . 13 An
10、nex A (normative) Test conditions for MFR and MVR determinations 14 Annex B (informative) Conditions specified in International Standards for the determination of the melt flow rate of thermoplastic materials. 15 -,-,- ISO 1133:2005(E) iv ISO 2005 All rights reserved Foreword ISO (the International
11、Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been esta
12、blished has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardiza
13、tion. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for votin
14、g. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such
15、patent rights. ISO 1133 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 5, Physical-chemical properties. This fourth edition cancels and replaces the third edition (ISO 1133:1997), in which the clauses relating to temperature control have been revised. In addition, the clari
16、ty of the text has been improved. INTERNATIONAL STANDARD ISO 1133:2005(E) ISO 2005 All rights reserved 1 Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics 1 Scope This International Standard specifies two procedures for the determination of
17、 the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastic materials under specified conditions of temperature and load. Procedure A is a mass-measurement method. Procedure B is a displacement-measurement method. Normally, the test conditions for measurement of melt flow rat
18、e are specified in the material standard with a reference to this International Standard. The test conditions normally used for thermoplastics are listed in Annexes A and B. The MVR will be found particularly useful when comparing materials of different filler content and when comparing filled with
19、unfilled thermoplastics. The MFR can be determined from MVR measurements provided the melt density at the test temperature and pressure is known. These methods are in principle also applicable to thermoplastics for which the rheological behaviour is affected during the measurement by phenomena such
20、as hydrolysis, condensation or crosslinking, but only if the effect is limited in extent and only if the repeatability and reproducibility are within an acceptable range. For materials which show significantly affected rheological behaviour during testing, these methods are not appropriate. In such
21、cases, the use of the viscosity number in dilute solution, determined in accordance with the relevant part of ISO 1628, is recommended for characterization purposes. NOTE The rates of shear in these methods are much smaller than those used under normal conditions of processing, and therefore data ob
22、tained by these methods for various thermoplastics may not always correlate with their behaviour during processing. Both methods are used primarily in quality control. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated referenc
23、es, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1622-2, Plastics Polystyrene (PS) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties ISO 1628 (all par
24、ts), Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers ISO 1872-2, Plastics Polyethylene (PE) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties ISO 1873-2, Plastics Polypropylene (PP) moulding and e
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