1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN ISO 2555:2000 BS 27
2、82-7 Method 730C: 2000 Incorporating Amendment No.1 to BS 2782-7 Method 730C:1992 (renumbers the BS as BS EN ISO 2555:2000) IMPORTANT NOTE. Before reading this method it is essential to read BS 2782-0, Introduction, issued separately. The European Standard EN ISO 2555:1999 has the status of a Britis
3、h Standard ICS 83.080.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Plastics Resins in the liquid state or as emulsions or dispersions Determination of apparent viscosity by the Brookfield Test methodThis British Standard, having been prepared under the direction of the P
4、lastics and Rubber Standards Policy Board, was published under the authority of the Standards Committee and comes into effect on 1 April 1992 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference PRM/21 Draft for comment 86/42301 DC ISBN 0 580 20662 9 BS E
5、N ISO 2555:2000 Amendments issued since publication Amd. No. Date Comments 10724 February 2000 Implements the European Standard Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Plastics and Rubber Standards Policy Committee (PRM/-) to Tec
6、hnical Committee PRM/21, upon which the following bodies were represented: British Plastics Federation British Steel Industry British Telecommunications plc British Textile Confederation Department of Trade and Industry (National Physical Laboratory) EEA (The Association of Electronics, Telecommunic
7、ations and Business Equipment Industries) Electrical and Electronic Insulation Association (BEAMA Ltd.) Electrical Installation Equipment Manufacturers Association (BEAMA Ltd.) GAMBICA (BEAMA Ltd.) Ministry of Defence Packaging and Industrial Films Association PIRA Plastic Industrial Containers Asso
8、ciation Plastics and Rubber Institute RAPRA Technology Ltd. Yarsley Technical Centre.BS EN ISO 2555:2000 BSI 02-2000 i Contents Page Committees responsible Inside front cover Foreword ii Method 1 Scope 1 2 Principle 1 3 Apparatus 1 4 Choice of rotational frequency and spindle 1 5 Procedure 3 6 Expre
9、ssion of results 3 7 Test report 3 Annexes A General application to resins in the liquid state, emulsions and dispersions 4 B Principle, description and characteristics of viscometers A, B and C 6 Tables 1 Rotational frequencies available for the three types of viscometer 1 2 Maximum value of viscos
10、ity (Pas) as a function of viscometer type, rotational frequency and spindle 2 3 Coefficient k (scale 0 to 100) for each rotational frequency-spindle combination 3 A.1 Recommended test conditions 4 Figures A.1. Viscosity range (logarithmic scale) for every spindle of the A, B and C viscometers at a
11、rotational frequency of 10 min 21 5 B.1 No. 1 spindle and guard stirrup 7 B.2 Spindles Nos. 2 to 6 7 B.3 Spindle No. 7 7ii BSI 02-2000 BS EN ISO 2555:2000 National foreword This British Standard is the English language version of EN ISO 2555:1999. It is identical with ISO 2555:1990. The BS identifie
12、r 2782-7 method 730C has been retained as a dual identifier for ease of reference. Warning. This British Standard, does not necessarily detail all the precautions necessary to meet the requirements of the Health and Safety at Work etc. Act 1974. Attention should be paid to any appropriate safety pre
13、cautions and the method should be operated only by trained personnel. A British Standard does not purport to include all necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity
14、 from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN ISO title page, the EN ISO foreword, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.BS EN ISO
15、 2555:2000 BS 2782-7 Method 730C: 2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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