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1、BRITISH STANDARD BS EN ISO 1873-1:1995 Plastics Polypropylene (PP) moulding and extrusion materials Part 1: Designation system and basis for specifications The European Standard EN ISO 1873-1:1995 has the status of a British Standard ICS 83.080.20 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov
2、20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 1873-1:1995 This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 December 1995 BSI 01-2000
3、 The following BSI references relate to the work on this standard: Committee reference PRI/32 Draft for comment 94/340139 DC ISBN 0 580 25162 4 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PRI/32, Olefin plastics, upon
4、 which the following bodies were represented: British Cable Makers Confederation British Plastics Federation Ministry of Defence Packaging and Industrial Films Association Telecommunications Cables Group of BCMC Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun shef
5、fieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 1873-1:1995 BSI 01-2000i Contents Page Committees responsibleInside front cover National forewordii Foreword2 1Scope3 2Normative references3 3Designation and specification system3 4Examples of designations7 Table 1
6、 Code-letters used for additional information in data block 14 Table 2 Code-letters used in data block 25 Table 3 Ranges of tensile modulus of elasticity in data block 35 Table 4 Ranges of notched Charpy impact strength in data block 36 Table 5 Range of melt mass-flow rate in data block 36 Table 6 C
7、ode-letters for fillers and reinforcing materials in data block 47 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 1873-1:1995 ii BSI 01-2000 National foreword This British Standard has been prep
8、ared by Technical Committee PRI/32, and is the English language version of EN ISO 1873-1:1995 Plastics Polypropylene (PP) moulding and extrusion materials Part 1: Designation system and basis for specifications, published by the European Committee for Standardization (CEN). EN ISO 1873-1:1995 was pr
9、oduced as a result of international discussions in which the United Kingdom took an active part. EN ISO 1873-1:1995 has been approved by CEN member bodies under the weighted voting procedures introduced in 1988 to coincide with the introduction of “New Approach” Directives from the Commission of the
10、 European Community. A British Standard does not purport to include all the 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 from legal obligations. Cross-references Pub
11、lication referred toCorresponding British Standard BS 2782 Methods of testing plastics Part 3 Mechanical properties ISO 179:1993Method 359:1993 Determination of Charpy impact strength ISO 527-1:1993Method 321:1994 Determination of tensile properties General principles ISO 527-2:1993Method 322:1994 D
12、etermination of tensile properties, test conditions for moulding and extrusion plastics Part 7 Rheological properties ISO 1133:1991Method 720A:1979 Determination of melt flow rate of thermoplastics Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN
13、ISO title page, pages 2 to 10, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23
14、 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1873-1 September 1995 ICS Descriptors: See ISO document English version Plastics Polypropylene (PP) moulding and extrusion materials Part 1: Designation system and basis for specifications (ISO 1873-
15、1:1995) Plastiques Polypropylne (PP) pour moulage et extrusion Partie 1: Systme de dsignation et base pour les spcifications (ISO 1873-1:1995) Kunstoffe Polypropylen (PP) Formmassen Teil 1: Bezeichnungssystem und Basis fr Spezifikationen (ISO 1873-1:1995) This European Standard was approved by CEN o
16、n 1995-07-22. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be
17、 obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central
18、 Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Com
19、mittee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members Ref. No. EN ISO 1873-1:199
20、5 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 1873-1:1995 BSI 01-2000 2 Foreword The text of the International Standard ISO 1873-1:1995 has been prepared by Technical Committee ISO/TC 61 “Plastics” in collaboration with CEN/TC 2
21、49 “Plastics”. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 1996, and conflicting national standards shall be withdrawn at the latest by March 1996. According to CEN/CENELEC Internal Regu
22、lations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun,
23、na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 1873-1:1995 BSI 01-20003 1 Scope 1.1 This part of ISO 1873 establishes a system of designation for polypropylene (PP) thermoplastic material, which may be used as the basis for specifications. 1.2 The types of polypropylene pl
24、astics are differentiated from each other by a classification system based on appropriate levels of the designatory properties a) tensile modulus of elasticity b) impact strength c) melt mass-flow rate (MFR) and on information about basic polymer parameters, intended application and/or method of pro
25、cessing, important properties, additives, colorants, fillers and reinforcing materials. 1.3 This part of ISO 1873 is applicable to all propylene homopolymers and to copolymers of propylene with a content of other 1-olefins of less than 50 % (m/m), as well as blends of polymers containing at least 50
26、 % (m/m) of aforementioned polymers. It applies to materials ready for normal use in the form of powder, granules or pellets and to materials unmodified or modified by colorants, additives, fillers, etc. This part of ISO 1873 does not apply to propylene-based rubber. 1.4 It is not intended to imply
27、that materials having the same designation give necessarily the same performance. This part of ISO 1873 does not provide engineering data, performance data or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. If such a
28、dditional properties are required, they shall be determined in accordance with the test methods specified in part 2 of this International Standard, if suitable. 1.5 In order to specify a thermoplastic material for a particular application or to ensure reproducible processing, additional requirements
29、 may be given in data block 5 (see clause 3, introductory paragraph). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this part of ISO 1873. At the time of publication, the editions indicated were valid. All standards
30、are subject to revision, and parties to agreements based on this part of ISO 1873 are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 1043-1:1987
31、, Plastics Symbols Part 1: Basic polymers and their special characteristics. ISO 1043-2:1988, Plastics Symbols Part 2: Fillers and reinforcing materials. ISO 1133:1991, Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics. ISO 1873-2:, Plastic
32、s Polypropylene (PP) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties1). 3 Designation and specification system The designation and specification system for thermoplastics is based on the following standardized pattern: 1) To be published. (Revis
33、ion of ISO 1873-2:1989) Designation Description block (optional) Identity block International Standard Number block Individual-item block Data block 1 Data block 2 Data block 3 Data block 4 Data block 5 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy
34、, (c) BSI EN ISO 1873-1:1995 4 BSI 01-2000 The designation consists of an optional description block, reading “Thermoplastics”, and an identity block comprising the International Standard number and an individual-item block. For unambiguous coding, the individual-item block is subdivided into 5 data
35、 blocks comprising the following information: The first character of the individual-item block shall be a hyphen. The data blocks shall be separated from each other by commas. If a data block is not used, this shall be indicated by doubling the separation sign, i.e by two commas (,). 3.1 Data block
36、1 In this data block, after the hyphen, polypropylene plastics are identified by the symbol “PP”, in accordance with ISO 1043-1, followed by a hyphen and a single code-letter giving additional information on the polymer as specified in Table 1. Table 1 Code-letters used for additional information in
37、 data block 1 3.2 Data block 2 In this data block, information about intended application and/or method of processing is given in position 1 and information about important properties, additives and colour in positions 2 to 8. The code-letters used are specified in Table 2. If information is present
38、ed in positions 2 to 8 and no specific information is given in position 1, the letter X shall be inserted in position 1. Data block 1:Identification of the plastic by its symbol PP in accordance with ISO 1043-1 and information about the polymerization process or composition of the polymer (see 3.1).
39、 Data block 2:Position 1: Intended application or method of processing (see 3.2). Positions 2 to 8: Important properties, additives and supplementary information (see 3.2). Data block 3:Designatory properties (see 3.3). Data block 4:Fillers or reinforcing materials and their nominal content (see 3.4
40、). Data block 5:For the purpose of specifications, a fifth data block may be added containing additional information. Code-letterDefinition H Ba R Propylene homopolymer Thermoplastic propylene impact polymer consisting of two or more phases of either a propylene plastic H or a propylene plastic R an
41、d rubber phases composed of propylene and another olefinic monomer (or monomers) having no functional group other than the olefinic group, added in situ or physically blended with the propylene plastic matrix Thermoplastic propylene random copolymer containing another olefinic monomer (or monomers)
42、having no functional group other than the olefinic group, copolymerized with propylene a This group of polymers were termed “block” copolymers in the past. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 1873-1:1995 BSI 01-20005 Table
43、 2 Code-letters used in data block 2 3.3 Data block 3 In this data block, the range of the tensile modulus of elasticity is represented by a 2-figure code-number (see 3.3.1), the range of impact strength by a 2-figure code-number (see 3.3.2) and the range of melt flow rate by a 3-figure code-number
44、(see 3.3.3). The code-numbers are separated from each other by hyphens. If a property values falls on or near a range limit, the manufacturer shall state which range will designate the material. If subsequent individual test values lie on, or on either side of the cell limit, because of manufacturin
45、g tolerances, the designation is not affected. NOTE 1Not all the combinations of the values of the designatory properties have to be provided for currently available polymers. 3.3.1 Tensile modulus of elasticity The tensile modulus of elasticity shall be determined in accordance with ISO 1873-2. The
46、 possible values of tensile modulus of elasticity are divided into 6 ranges, each represented by a 2-figure code-number as specified in Table 3. Table 3 Ranges of tensile modulus of elasticity in data block 3 Code-letterPosition 1Code-letterPositions 2 to 8 AProcessing stabilized BBlow mouldingBAnti
47、blocking CCalenderingCColoured DPowder EExtrusionEExpandable FExtrusion of filmsFSpecial burning characteristics GGeneral useGGranules HCoatingHHeat-ageing stabilized KCable and wire coatingKMetal deactivated LMonofilament extrusionLLight or weather stabilized MMouldingMNucleated NNatural (no colour
48、 added) PImpact modified QCompression moulding RRotational mouldingRMould release agent SSinteringSLubricated TTape manufactureTTransparent XNo indication YTextile yarns, spinningYIncrease electrical conductivity ZAntistatic Code-numberRange of tensile modulus (MPa) 02 06 10 16 28 40 u 400 400 but u
49、 800 800 but u 1 200 1 200 but u 2 000 2 000 but u 3 500 3 500 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:14:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 1873-1:1995 6 BSI 01-2000 3.3.2 Charpy impact strength The notched Charpy impact strength shall be determined in accordance with ISO 1873-2. The possible values of notched Charpy impact strength are divided into 6 ranges, each represented by a 2-figure code-number as specified in Table 4. Table 4 Ranges of notched Charpy impa