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    BS EN ISO 2078-1995 Textile glass - Yarns - Designation《纺织玻璃丝 纱 命名》.pdf

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    BS EN ISO 2078-1995 Textile glass - Yarns - Designation《纺织玻璃丝 纱 命名》.pdf

    1、 CEN EN*IS0*2078 94 3404589 0096732 bT2 BRITISH STANDARD Textile glass - Yarns - Designat ion The European Standard EN IS0 2078 : 1994 has the status of a British Standard BS EN IS0 2078 : 1995 BS 946 : Part 2 : 1995 Copyright European Committee for Standardization Provided by IHS under license with

    2、 CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- CEN EN*IS0*2078 94 I 3404589 0096733 539 BS EN IS0 2078 : 1995 Amd. No. Date This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under th

    3、e authority of the Standards Board and comes into effect on 15 May 1995 O BSI 1995 Text affected Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standard was prepared, comprises the national standards organizations of the following co

    4、untries: Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland United Kingdom Oesterreichisches Normungsinstitut Institut belge de normalisation Dansk Standard Suomen Standardisoimisliito, r. y. Association francai

    5、se de normalisation Deutsches Institut fr Normung e.V. Hellenic Organization for Standardization Technological Institute of Iceland National Standards Authority of Ireland Ente Nazionale Italiano di Unificazione Inspection du Travail et des Mines Nederlands Normalisatie-instituut Norges Standardiser

    6、ingsforbund Instituto Portugus da Qualidade Asociacin Espaola de Normalizacin y Certificacin Standardiseringskommissionen i Sverige Association suisse de normalisation British Standards Institution The following BSI references relate to the work on this standard: Committee reference PRi41 Draft for

    7、comment 89/40281 DC ISBN O 680 23663 3 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Contents me Cooperating organizations Inside front cover National foreword ii Method 1 Scop

    8、e 3 2 Normative references 3 Definition 3 3 4 Designation of a yarn 3 National annexes NA (informative) Committees responsible NB (informative) Cross-reference Inside back cover Inside back cover National foreword This British Standard has been prepared under the direction of the Sector Board for Ma

    9、terials and Chemicals and is the English language version of EN IS0 2078 : 1994 nxtile glass - Yarns - Designation, published by the European Committee for Standardization (CEN). It does not supersede any current British Standard but attention is drawn to BS 946 : 1970 Methodfor the designation of y

    10、arns which deals also with the designation of yarns in the Tex system. Compliance with a British Standard does not of itself confer immunity from legal obligations. i Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking pe

    11、rmitted without license from IHS-,-,- - CEN EN*ISO*2078 94 3404589 O096735 301 I EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN IS0 2078 October 1994 ICs 59.100.10 Descriptors: Textile glass, textile glass yarns, designation English version Textile glass - Yarns - Designation (IS0 2078 : 1993)

    12、 Verre textile - Fils - Dsignation (IS0 2078 : 1993) Qxtilglas - Garne - Bezeichnung (IS0 2078 : 1993) This European Standard was approved by CEN on 1994-08-25. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard

    13、the status of a national standard without any alteration. Up-to-date lists and bibliogaphical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, Germa

    14、n). 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 Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Ge

    15、rmany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1994 C

    16、opyright reserved to CEN members Ref. No. EN IS0 2078 : 1994 E Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN EN*ISO*2078 94 3404589 O096736 248 = page 2 EN IS0 2078 : 1994

    17、Foreword This European Standard was taken over by the %chnical Committee CEN/TC 249, Plastics, from the work of ISOlIC 61, Plastics, of the International Organization for Standardization CEN/TC 249 had decided to submit the final draft for formal vote. The result was positive. This European Standard

    18、 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 1995, and conflicting national standards shall be withdrawn at the latest by April 1995. According to the CENKENELEC Internal Regulations, the following countries a

    19、re bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. (ISO). Copyright European Committee for Standardization Provided by IHS under lic

    20、ense with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN EN*IS0*2078 94 3404589 0096737 184 Page 3 EN IS0 2078 : 1994 Textile glass 1 Scope - Yarns - Designation This International Standard specifies a system of designating textile glass yarns including sin

    21、gle, multiple-wound, folded (plied), cabled and textured yarns, strands, slivers and rovings based on their lin- ear density expressed in the tex system. This International Standard applies the rules of the single-to-fold designation given in IS0 1139 to these textile glass products. 2 Normative ref

    22、erences The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Internationa

    23、l Standard are encouraged to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of cur- rently valid International Standards. IS0 2:1973, Textiles - Designation of the direction of twist in yarns and related

    24、products. IS0 472:T 988, Plastics - Vocabulary. IS0 1 139:1973, Textiles - Designation of yarns. 3 Definitions For the purposes of this International Standard, the definitions given in IS0 2 and IS0 472 apply. roving) is a condensed technical description contain- ing the following elements. 4.1.1 Gl

    25、ass used One or several letters, to specify the glass used by the manufacturer (see table 1). E D A C S R AR E-CR Table 1 General indications for genera purposes; good electrical properties good dielectric properties high alkali content c h em cal resis t an ce high mechanical strength high mechanic

    26、al strength alkali resistant for use in acid environments 4.1.2 Type of yarn A letter to describe the type of yarn: - C (continuous) for continuous-filament yarns, - D (discontinuous) for staple-fibre yarns. NOTE ? These letters are placed in the first group, as it is of special importance in the ca

    27、se of textile glass to dis- tinguish between continuous-filament yarns and staple fibre yarns; their use makes it unnecessary to indicate the num- ber of filaments, preceded by the symbol f, as proposed in IS0 1139. 4 Designation of a yarn 4.1.3 Nominal diameter of fibre 4.1 Elements of the designat

    28、ion According to the definition given in IS0 1139, the designation of a yarn (single yarn, strand, sliver, ., A number, consisting of one or two figures, giving the nominal diameter, in micrometres, of the filament or staple fibre. Copyright European Committee for Standardization Provided by IHS und

    29、er license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN EN*IS0*2078 94 3404589 0096738 010 Page 4 EN IS0 2078 : 1994 4.1.4 Linear density, direction and amount of 4.2.2 Slivers twist and number of components Some, or all, of the following elements, a

    30、s in IS0 1139: al a number giving the linear density expressed in the tex system. it is strongly recommended that the tex be used as the basic unit, in which case the word “tex“ can be omitted from the designation (if multiples or submultiples of the tex are used, these units shall be indicated afte

    31、r the value given for linear density); a) the type of glass used; b) the letter D (discontinuous) for staple-fibre yarns; c) the nominal diameter, in micrometres, of the sta- ple fibres, followed by a space; d) the linear density, preferably in tex see 4.1.4 a). EXAMPLE ED7 l90 b) the direction(s) o

    32、f twist;“ 4.2.3 Single yarns c the amount(s1 of twist, expressed in turns Per metre, for the twist of the final stage, and (if necesSan/) in the full designation, for the twist Of each intermediate stage; cabling , 4.2.3.1 Single continuous-filament yarns a) the type of glass used; b) the letter C f

    33、or continuous-filament yarn; c) the nominal diameter, in micrometres, of the fila- ments, followed by a space; d) the number of components in folding (plying) or 4.1.5 Manufacturers code If desired, the desicination may also include the d) the linear density, preferably in tex see 4.1.4 a), followed

    34、 by a space; manufactu.rers code,-permitting the incorporation of any complementary information that does not appear among the previous elements# for example the type of size and the overall linear density. If it is included, e) the direction of twist, followed by a space; f) the amount of twist, ex

    35、pressed in turns per metre. the manufacturers code shall be placed either before or after the designation as defined below and never between the elements of the designation for exam- ple in the case of folded (plied) yarns having dissimilar components. EXAMPLE EC9 34 Z 40 NOTE 2 When several strands

    36、 are assembled in parallel and twisted together, only the overall linear density of all the strands before twisting is given. For example, starting with four strands of EC9 34 and twisting these together, the designation of the resulting yarn is EC9 136 Z 40. 4.232 Single staple-fibre yarns a) the t

    37、ype of glass used; 4.2 Designation of different types of textile glass yarn Subclauses 4.2.1 to 4.2.8 give the elements that shall appear in the designation of various types of glass yarn. 4.2.1 Strands a) the type of glass used; b) the letter D (discontinuous) for ctaple-fibre yarns; c) the nominal

    38、 diameter, in micrometres, of the sta- ple fibres, followed by a space; b) the letter C for continuous-filament yarn: c) the nominal diameter, in micrometres, of the fila- ments, followed by a space; d) the linear density, preferably in tex see 4.1.4 a). EXAMPLE EC10 40 EXAMPLE ED7 190 Z 160 1) If t

    39、he yarn has been subjected to a twisting operation, this shall be indicated by the direction of twist followed by the degree of twist. If the designation does not include any mention of twist, this shall always be taken to signify the absence of any twisting operation. d) the linear density, prefera

    40、bly in tex see 4.1.4 a), followed by a space; e) the direction of twist, followed by a space; f) the amount of twist, expressed in turns per metre. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without lic

    41、ense from IHS-,-,-CEN EN*IS0*2078 94 3404589 0096739 T57 4.2.3.3 Textured yarns a) the type of glass used; b) the letter C or D for the designation of the original yarn (see 4.1.2); c) the nominal diameter, in micrometres, of the fila- ments, followed by a space; d) the linear density, preferably in

    42、 tex see 4.1.4 a), before texturing, followed by a space; e) the linear density, preferably in tex see 4.1.4 a), EXAMPLE EC9 340 T352 after texturing, preceded by the letter T. 4.2.4 Folded (plied) (doubled1 yarns2 4.2.4.1 components Folded (plied) yarns having identical 4) the direction of the fold

    43、ing (plying) twist, fol- lowed by a space; 5) the amount of folding (plying) twist, expressed in turns per metre. EXAM PLES EC934x2S150 EC9 190 x 2 S 260 4.2.4.2 Folded (plied) yarns having dissimilar components a) the designations of the single continuous-filament yarns used, in accordance with 4.2

    44、.3.1, joined by a plus sign, +, preceded and followed by a space, the whole being placed in parentheses and fol- lowed by a space; b) the direction of the folding (plying) twist, followed by a space; Full designation: the designation of the single continuous- filament or staple-fibre yarns used, in

    45、accord- ance with 4.2.3.1 or 4.2.3.2, followed by a space; a multiplication sign, x, followed by a space; the number of single continuous-filament or staple-fibre yarns, followed by a space; the direction of the folding (plying) twist, fol- lowed by a space; the amount of folding (plying) twist, exp

    46、ressed in turns per metre. EXAMPLES EC934Z160 x 2 S 150 ED7 190 Z 160 x 2 S 260 Simplified designation: 1) the designation of the single continuous- filament or staple-fibre yarns used, in accord- ance with 4.2.3.1 or 4.2.3.2, without indication of the direction or amount of twist the twist of folde

    47、d (plied) yarns is generally balanced, followed by a space; 2) a multiplication sign, x, followed by a space; 3) the number of single continuous-filament or staple-fibre yarns, followed by a space; Page 5 EN IS0 2078 : 1994 c) the amount of folding (plying) twist, expressed in turns per metre. EXAMP

    48、LE (EC9 34 Z 150 + EC7 22 Z 150) S 100 4.2.5 Cabled yarns a) Full designation: The designation of the yarn used, including the di- rection and the amount of twist for each stage, the information for each stage being separated by a multiplication sign, x, preceded and followed by a space. EXAMPLE EC9

    49、 34 Z 150 x 2 S 100 x 3 Z 80 b) Simplified designation: The twist of cabled yarns is generally balanced, and in most cases it is not necessary to know the direction and the amount of twist of each of the intermediate stages; consequently, the simplified designation for a cabled yarn shall only show the direction and the amount of final twist. The simplified designation shall therefore c


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