1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 1622-1:2012Plastics Polystyrene (PS)moulding and extrusionmaterialsPart 1: Designation system and basis forspecifications (ISO 1622-1:2012)BS EN ISO 1622-1:2012 BRITISH
2、 STANDARDNational forewordThis British Standard is the UK implementation of EN ISO1622-1:2012. It supersedes BS EN ISO 1622-1:2000 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/82, Thermoplastic materials.A list of organizations represented on this
3、 committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 69438 7ICS 83.0
4、80.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 29 February 2012.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPI
5、SCHE NORM EN ISO 1622-1 February 2012 ICS 83.080.20 Supersedes EN ISO 1622-1:1999English Version Plastics - Polystyrene (PS) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 1622-1:2012) Plastiques - Polystyrne (PS) pour moulage et extrusion - Partie 1:
6、 Systme de dsignation et base de spcification (ISO 1622-1:2012) Kunststoffe - Polystyrol (PS)-Formmassen - Teil 1: Bezeichnungssystem und Basis fr Spezifikationen (ISO 1622-1:2012) This European Standard was approved by CEN on 31 January 2012. CEN members are bound to comply with the CEN/CENELEC Int
7、ernal 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 obtained on application to the CEN-CENELEC Management Centre or to an
8、y 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 CEN-CENELEC Management Centre has the same status as the official v
9、ersions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
10、 Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldw
11、ide for CEN national Members. Ref. No. EN ISO 1622-1:2012: EBS EN ISO 1622-1:2012EN ISO 1622-1:2012 (E) 3 Foreword This document (EN ISO 1622-1:2012) has been prepared by Technical Committee ISO/TC 61 “Plastics“ in collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which
12、 is held by NBN. 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 August 2012, and conflicting national standards shall be withdrawn at the latest by August 2012. Attention is drawn to the possibil
13、ity that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 1622-1:1999. According to the CEN/CENELEC Internal Regulations, the national standards o
14、rganizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
15、 Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 1622-1:2012 has been approved by CEN as a EN ISO 1622-1:2012 without any modification. BS EN ISO 1622-1:2012ISO 1622-1:2012(E)ForewordISO (the International Organizat
16、ion 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 established h
17、as 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 standardization.Inte
18、rnational 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 voting. Publicat
19、ion 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 patent right
20、s.ISO 1622-1 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 9, Thermoplastic materials.This third edition cancels and replaces the second edition (ISO 1622-1:1994), which has been technically revised. The main change is the replacement of melt flow rate (MFR) by melt volume
21、-flow rate (MVR) as one of the designatory properties (see, in particular, Subclauses 1.2 and 3.4.3).ISO 1622 consists of the following parts, under the general title Plastics Polystyrene (PS) moulding and extrusion materials: Part 1: Designation system and basis for specifications Part 2: Preparati
22、on of test specimens and determination of properties ISO 2012 All rights reserved iiiBS EN ISO 1622-1:2012BS EN ISO 1622-1:2012Plastics Polystyrene (PS) moulding and extrusion materials Part 1: Designation system and basis for specifications1 Scope1.1 This part of ISO 1622 establishes a system of de
23、signation for polystyrene thermoplastic material, which may be used as the basis for specifications.1.2 The types of polystyrene plastics are differentiated from each other by a classification system based on appropriate levels of the designatory propertiesa) Vicat softening temperature andb) melt v
24、olume-flow rateand on information about the intended application and/or method of processing, important properties, additives and colorants.1.3 This part of ISO 1622 is applicable to all amorphous polystyrene homopolymers.It applies to materials ready for normal use, unmodified or modified by colora
25、nts, additives, fillers, etc.This part of ISO 1622 does not apply to expanded polystyrene, styrene copolymers, homopolymers of substituted styrene or those modified with other polymers such as elastomers.1.4 It is not intended to imply that materials having the same designation give necessarily the
26、same performance. This part of ISO 1622 does not provide engineering data, performance data or data on processing conditions which might be required to specify a material for a particular application and/or method of processing.If such additional properties are required, they shall be determined in
27、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 may be given in data block 5 (see 3.1).2 Normative referencesTh
28、e following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 1043-1, Plastics Symbols and abbreviated terms P
29、art 1: Basic polymers and their special characteristicsISO 1622-2, Plastics Polystyrene (PS) moulding and extrusion materials Part 2: Preparation of test specimens and determination of propertiesINTERNATIONAL STANDARD ISO 1622-1:2012(E) ISO 2012 All rights reserved 1BS EN ISO 1622-1:2012ISO 1622-1:2
30、012(E)3 Designation system3.1 GeneralThe designation system for thermoplastics is based on the following standardized pattern:DesignationIdentity blockDescription block (optional)International Standard number blockIndividual-item blockData block 1Data block 2Data block 3Data block 4Data block 5The d
31、esignation consists of an optional description block, reading “Thermoplastics”, and an identity block comprising the International Standard number and an individual-item block. For unambiguous designation, the individual-item block is subdivided into five data blocks comprising the following informa
32、tion: Data block 1: Identification of the plastic by its abbreviated term (PS) in accordance with ISO 1043-1 (see 3.2). Data block 2: Position 1: Intended application or method of processing (see 3.3).Positions 2 to 8: Important properties, additives and supplementary information (see 3.3). Data blo
33、ck 3: Designatory properties (see 3.4). Data block 4: Fillers or reinforcing materials and their nominal content (not included in this part of ISO 1622). Data block 5: For the purpose of specifications, a fifth data block may be added containing additional information (see 3.5).The first character o
34、f 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 ().3.2 Data block 1In this data block, after the hyphen, polystyrene plastics are ident
35、ified by the abbreviated term “PS”, in accordance with ISO 1043-1.3.3 Data block 2In this data block, information about the 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 u
36、sed are specified in Table 1.If information is presented in positions 2 to 8 and no specific information is given in position 1, the letter X shall be inserted in position 1.2 ISO 2012 All rights reservedBS EN ISO 1622-1:2012ISO 1622-1:2012(E)Table 1 Code-letters used in data block 2Code-letter Posi
37、tion 1 Code-letter Positions 2 to 8A Processing stabilizedC ColouredE Extrusion F Extrusion of films F Special burning characteristicsG General use L Light- and/or weather-stabilizedM Moulding N Natural (no colour added)R Mould release agentS LubricatedX No indication Z Antistatic3.4 Data block 33.4
38、.1 GeneralIn this data block, the range of the Vicat softening temperature is represented by a three-figure code-number (see 3.4.2) and the range of the melt volume-flow rate by a two-figure code-number (see 3.4.3). The code-numbers are separated from each other by hyphens.If a property value falls
39、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 limit because of manufacturing tolerances, the designation is not affected.3.4.2 Vicat softening temperatureThe Vicat softening tempe
40、rature shall be determined in accordance with ISO 1622-2.The possible values of Vicat softening temperature are divided into four ranges, each represented by a three-figure code-number as specified in Table 2.Table 2 Range of Vicat softening temperature in data block 3Code-numberRange of Vicat softe
41、ning temperatureC075 80085 80 but 90095 90 but 100105 1003.4.3 Melt volume-flow rateThe melt volume-flow rate shall be determined in accordance with ISO 1622-2.The possible values of melt volume-flow rate are divided into four ranges, each represented by a two-figure code-number as specified in Tabl
42、e 3. ISO 2012 All rights reserved 3BS EN ISO 1622-1:2012ISO 1622-1:2012(E)Table 3 Range of melt volume-flow rate in data block 3Code-numberRange of melt volume-flow rate (MVR)cm3/10 min03 3,806 3,8 but 7,712 7,7 but 15,420 15,43.5 Data block 5Indication of additional requirements in this optional da
43、ta block is a way of transforming the designation of a material into a specification for a particular application. This may be done, for example, by reference to a suitable national standard or to a standard-like, generally established specification.4 Example of a designationA polystyrene moulding a
44、nd extrusion material (PS), intended for injection moulding (M), light- and/or weather-stabilized (L), natural (not coloured) (N), with a Vicat softening temperature of 84 C (085) and a melt volume-flow rate of 9,0 cm3/10 min (12), would be designated:Designation: Thermoplastics ISO 1622-PS,MLN,085-
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