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1、BRITISH STANDARD BS 7746:1994 ISO 11469: 1993 Generic identification and marking of plastics products UDC 678.5/.8.06:003.62 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7746:1994 This British Standard, h
2、aving been prepared under the direction of the Plastics and Rubber Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 March 1994 BSI 12-1998 The following BSI references relate to the work on this standard: Committee reference PRM/10 Draf
3、t for comment 91/38498 DC ISBN 0 580 23000 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Plastics and Rubber Standards Policy Committee (PRM/-) to Technical Committee PRM/10, upon which the following bodies were represented: British
4、Plastics Federation British Rubber Manufacturers Association Ltd. Chief and Assistant Chief Fire Officers Association Department of the Environment (Building Research Establishment) Department of Trade and Industry (Laboratory of the Government Chemist) Department of Trade and Industry (National Phy
5、sical Laboratory) Institute of Materials Malaysian Rubber Producers Research Association Ministry of Defence Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c)
6、BSI BS 7746:1994 BSI 12-1998i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Definitions1 4Symbols or abbreviated terms1 5Requirements1 Annex A (informative) Expanded marking systems3 List of referencesInside back cover Licensed Copy: Londo
7、n South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7746:1994 ii BSI 12-1998 National foreword This British Standard has been prepared under the direction of the Plastics and Rubber Standards Policy Committee and is identical with
8、ISO 11469:1993 Plastics Generic identification and marking of plastic products, published by the International Organization for Standardization (ISO). The Technical Committee has reviewed the provisions of ISO 472:1988 and ISO 1087:1990 to which normative reference is made in the text, and has decid
9、ed that they are acceptable for use in conjunction with this standard. A related British Standard to ISO 1043-2:1988 is BS 3502 Symbols for plastics and rubber materials Part 3:1993 Schedule for symbols for compounding ingredients. A British Standard does not purport to include all the necessary pro
10、visions 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 International standard Corresponding British Standard ISO 1043-1:1987BS 3502 Symbols for pla
11、stics and rubber materials Part 1:1991 Schedule for symbols for plastics (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have ha
12、d amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO 11469:1993(E) BSI 12-19981 1 Scope 1.1 This International
13、Standard specifies a system for the uniform marking of products that have been fabricated from plastic materials. Provision for the process or processes to be used for marking is outside the scope of this International Standard. NOTE 1Precise details of the marking, e.g. the minimum size of the item
14、 to be marked, the size of the lettering, the appropriate location of the marking, may be subject to agreement between the manufacturer and the user. 1.2 The marking system should help identify plastic products for subsequent decisions relating to handling, waste recovery or disposal. 1.3 The symbol
15、s and abbreviated terms used are intended to provide generic identification of the plastics. 1.4 This International Standard is not intended to supplant, replace, or in any way to interfere with requirements for labelling found in legislation. 2 Normative references The following standards contain p
16、rovisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate th
17、e 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 472:1988, Plastics Vocabulary. ISO 1043-1:1987, Plastics Symbols Part 1: Basic polymers and their special characteristics. IS
18、O 1043-2:1988, Plastics Symbols Part 2: Fillers and reinforcing materials. ISO 1087:1990, Terminology Vocabulary. 3 Definitions For the purposes of this International Standard, the definitions given in ISO 472 and the following definitions apply. 3.1 abbreviated term a term resulting from the omissi
19、on of any part of a term while designating the same concept NOTE 2Most of the terms in this International Standard are symbols as the term is used in ISO 1043-1 and ISO 1043-2, or acronyms or initialisms as defined in ISO 1087. 3.2 plastic products articles or stock shapes of plastic materials inten
20、ded for useful purposes 4 Symbols or abbreviated terms The symbols given in ISO 1043-1 and ISO 1043-2 shall be used for this International Standard. If an appropriate symbol or abbreviated term is not included in ISO 1043-1 or ISO 1043-2, such a symbol or abbreviated term from any available national
21、 standard preferably should be used. NOTE 3Should any such symbol or abbreviated term be used, it is recommended that this information be provided to the ISO/TC 61/SC 1 Secretariat.1) 5 Requirements 5.1 Marking system 5.1.1 Marking of products If plastic products are marked, they shall be marked at
22、some place on the surface with the appropriate symbol (s) or abbreviated term (s) set between the punctuation marks “” and “” and “ABSABS+PCPP-MD30PA66(GF25+MD15)PA66(GF+MD)40 5.1.3 Products with two or more components difficult to separate Products that comprise two or more components, some of whic
23、h are not readily visible, preferably should be marked so that the primary visible material is identified first, by the system specified in 5.1.1, followed by identification of the other material(s), with the individual identifications separated by a comma. The main component by mass shall be identi
24、fied by underlining. EXAMPLE: For a product made of three components, where the visible one is a thin coating of poly(vinyl chloride) over a polyurethane containing an insert of acrylonitrile/butadiene/styrene that is the major component by mass, use: PVC, PUR, ABS 5.2 Method of marking The marking
25、shall be made either during moulding, by having the appropriate symbol included in the mould design; or by embossing; or by melt imprinting; or by other legible and indelible marking of the polymer. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00
26、:00 2006, Uncontrolled Copy, (c) BSI ISO 11469:1993(E) BSI 12-19983 Annex A (informative) Expanded marking systems In situations where it is desirable to have a more detailed description of the plastic material that was used to make the product than is possible with the system described in 5.1, the
27、classification and designation systems referred to in the present annex may be used. These designation systems use the same abbreviated terms for the plastic “family name” as described in clause 4 and, in addition, permit a more detailed designation of the polymer. The expanded systems are particula
28、rly pertinent for the plastics that have an International Standard developed according to one of these designation systems. The designation systems are based on standardized patterns that are explained and used in the material standards listed below. This list includes references to ISO published an
29、d draft standards that designate many of the most common plastic materials. 1 ISO 800:1992, Plastics Phenolic moulding materials Specification. 2 ISO 1060-1:1982, Plastics Homopolymer and copolymer resins of vinyl chloride Part 1: Designation. 3 ISO 1163-1:1985, Plastics Unplasticized compounds of h
30、omopolymers and copolymers of vinyl chloride Part 1: Designation. 4 ISO 1622-1:1985, Plastics Polystyrene (PS) moulding and extrusion materials Part 1: Designation. 5 ISO 1872-1:1986, Plastics Polyethylene (PE) and ethylene copolymer thermoplastics Part 1: Designation. 6 ISO 1873-1:1991, Plastics Po
31、lypropylene (PP) and propylene-copolymer thermoplastics Part 1: Designation. 7 ISO 1874-1:1992, Plastics Polyamide (PA) moulding and extrusion materials Part 1: Designation. 8 ISO 2112:1990, Plastics Aminoplastic moulding materials Specification. 9 ISO 2580-1:1990, Plastics Acrylonitrile/butadiene/s
32、tyrene (ABS) moulding and extrusion materials Part 1: Designation. 10 ISO 2897-1:1990, Plastics Impact-resistant polystyrene (SB) moulding and extrusion materials Part 1: Designation. 11 ISO 2898-1:1986, Plastics Plasticized compounds of homopolymers and copolymers of vinyl chloride (PVC-P) Part 1:
33、Designation. 12 ISO 3672-1:1979, Plastics Unsaturated polyester resins Part 1: Designation. 13 ISO 3673-1:1980, Plastics Epoxide resins Part 1: Designation. 14 ISO 4597-1:1983, Plastics Hardeners and accelerators for epoxide resins Part 1: Designation. 15 ISO 4613-1:2), Plastics Ethylene/vinyl aceta
34、te (E/VAC) copolymer thermoplastics Part 1: Designation. 16 ISO 4894-1:1990, Plastics Styrene/acrylonitrile (SAN) copolymer moulding and extrusion materials Part 1: Designation. 17 ISO 4896:1990, Plastics Melamine/phenolic moulding materials Specification. 18 ISO 6402-1:1990, Plastics Impact-resista
35、nt acrylonitrile/styrene moulding and extrusion materials (ASA, AES, ACS), excluding butadiene-modified materials Part 1: Designation. 19 ISO 7391-1:1987, Plastics Polycarbonate moulding and extrusion materials Part 1: Designation. 20 ISO 7792-1:1985, Plastics Polyalkylene terephthalates Part 1: Des
36、ignation. 21 ISO 8257-1:1987, Plastics Poly(methyl methacrylate) (PMMA) moulding and extrusion materials Part 1: Designation. 22 ISO 8604:1988, Plastics Prepregs Definitions of terms and symbols for designations. 23 ISO 9988-1:1991, Plastics Polyoxymethylene (POM) moulding and extrusion materials Pa
37、rt 1: Designation. 24 ISO 10366-1:3), Plastics Methyl methacrylate/acrylonitrile/butadiene/styrene (MABS) moulding and extrusion materials Part 1: Designation and specification. 2) To be published. (Revision of ISO 4613-1:1985) 3) To be published. Licensed Copy: London South Bank University, London
38、South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 blank Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7746:1994 BSI 12-1998 List of references See national foreword. L
39、icensed Copy: London South Bank University, London South Bank University, Fri Dec 08 14:33:58 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
40、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and a
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