EN 13392-2001 en Textiles - Monofilaments - Determination of Linear Density《纺织材料 单纤维丝 线密度的测定》.pdf

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1、BRITISH STANDARD Textiles - Monofilaments - Determination of linear density The European Standard EN 13392:2001 has the status of a British Standard ICs 59.060.20 BS EN 13392:2001 O NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 13392:2001 National foreword This British

2、 Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and comes into effect on 15June2001 This British Standard is the official English language version of EN 13392:2001. The UK participat

3、ion in its preparation was entrusted to Technical Committee TCU24, Physical testing of textiles, which has the responsibility to: - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK inte

4、rests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications re

5、ferred to in this document may be found in the BSI Standards Catalogue under the section entitled ?International Standards Correspondence Index?, or by using the ?Find facility of the BSI Standards Electronic Catalogue . A British Standard does not purport to include all the necessary provisions of

6、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. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 8, an insid

7、e back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd.No. IDate I Comments O BSI 06-2001 ISBN O 580 37679 6 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13392 March 2001 ICs 59.060

8、.20 English version Textiles - Monofilaments - Determination of linear density Textiles - Monofilaments - Dtermination de la masse linique Textilien - Monofilamente - Bestimmung der Feinheit This European Standard was approved by CEN on 18 January 2001. CEN members are bound to comply with the CENKE

9、NELEC 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 obtained on application to the Management Centre or to any C

10、EN 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 Management Centre has the same status as the official versions. CEN me

11、mbers are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. d EUROPEAN COMMiTTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR N

12、ORMUNG COMITE EUROPEEN DE NORMALISATION Management Centre: rue de Stassart, 36 8-1050 Brussels O 2001 CEN All tights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13392:2001 E Page 2 EN 13392:2001 Contents Page Foreword 3 Scope 4 Normative refe

13、rences . 4 Terms and definitions 4 4 Principle 4 5 6 7 Apparatus 5 Conditioning . 5 Sampling and preparation of test specimens . 5 8 Procedure 5 9 Expression of results 6 10 Test report . 6 Annex A (normative) 7 . O Page 3 EN 13392:2001 Foreword O This European Standard has been prepared by Technica

14、l Committee CEN/TC 248 “Textiles and textile products“, the secretariat of which is held by BSI. 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 September 2001, and conflicting national standards

15、shall be withdrawn at the latest by September 2001. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, I

16、reland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Page 4 EN 13392:2001 1 Scope This European Standard specifies a method for the determination of linear density of monofilaments and gives the method of calculation of the nominal linear densi

17、ty of round monofilaments (see annex A). 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated refer

18、ences, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). EN 20139 Textiles - Standard atmos

19、pheres for conditioning and testing (IS0 1 39 : 1973). O 3 Terms and definitions For the purposes of this standard, the following terms and definitions apply. 3.1 monofilament yarn made with only one filament 3.2 linear density mass per unit length of a monofilament expressed in tex or its multiples

20、 or submultiples NOTE 1 tex = 1 g/l O00 m. 3.3 tension a force applied to a test specimen during a test 3.4 nominal diameter cross dimension of round monofilament and expressed in millimetres 3.5 package the method of presentation of the monofilament, e.g. spool, tube, cone, etc 4 Principle Test spe

21、cimens of suitable length are prepared according to the diameter of the monofilament, conditioned and weighed. The linear density is calculated from the length and mass of the test specimens and expressed in decitex. Page 5 EN 13392:2001 Nominal diameter d mm 5 Apparatus O Length L m 5.1 an accuracy

22、 of 0,l % under a tension of 0,05 cN/dtex * 1 O Yo. The reel circumferance should be at least 1 m. Metering device (wrap reel or rule), capable of measuring the length of monofilament to 0,08 0,08 I d 0,30 5.2 specimen to be weighed. Balance, having an appropriate capacity and a sensitivity equal to

23、 0,l YO of the mass of the 250 1 O0 6 Sampling and preparation of test specimens Reject at least the first layer on each package. Take five specimens per package, each with a length L according to table 1 with an accuracy of 0,l %. Use an appropriate metering device (5.1) under a tension of 0,05 cN/

24、dtex * 10 %. For diameters less than 0,5 mm, use a wrap reel and for diameters of 0,5 mm and above use a rule. NOTE Due to the high stiffness of large diameter monofilaments a wrap reel is not accurate enough to measure L O Table 1 0,30 I d 0,50 2 0,50 10 5 7 Conditioning Condition the test specimen

25、s before testing in the standard atmosphere as described in EN 20139, .e., at the temperature of (20 2) “C and the relative humidity of (65 f. 2) % for a period of at least 24 h. 8 Procedure Weigh the conditioned test specimens (m) on the balance (5.2) with an accuracy of - + 0,l Yo in the standard

26、atmosphere. This is the mass m in grams. Page 6 EN 13392:2001 9 Expression of results 9.1 For each specimen, calculate the linear density, T, in dtex as follows : T = m10000 L where : rn is the mass in grams, L is the length, in metres, of the test specimen. Calculate the average value of the five r

27、esults. If required calculate the standard deviation and the confidence intervals at 95 % of the mean value. Express the linear density in dtex, as follows: -to the nearest whole number over 50 dtex ; -with one decimal digit up to and including 50 dtex. 9.2 Calculate the nominal linear density in ac

28、cordance with annex A, where applicable. 10 Test report The test report shall include the following information : a) a reference to this standard, .e. EN 13392; b) an identification of the product tested (diameter, textile material, etc.); c) the sampling procedure, if required; d) the linear densit

29、y, in dtex, according to clause 9; e) if required the standard deviation and the confidence intervals at 95 % of the mean value; f) the nominal linear density, in dtex, according to annex A, where applicable; g) any deviation from this standard which may have affected the results. Page 7 EN 13392:20

30、01 Polymer Abbreviation High density polyethylene PE-HD Annex A (nor mat ive) Density kg/m3 960 A.l General Polypropylene Polyamide and copolyam ide Polyamide 61 O Poly(ethy1ene terephthalate) Poly(buty1ene terephthalate) Polyetheretherketone Poly(pheny1ene sulfide) Polyamide 12 This annex gives a m

31、ethod of calculation of the nominal linear density of round monofilaments when the nominal diameter and the nominal density are known. PP 91 o PA6 PA66 1140 PA 6/66 PA 610 1080 PA 12 1020 PET a 1380 PBT 1300 PEEK PPS 1350 A.2 Method of calculation Calculate the nominal linear density, 7, in dtex, as

32、 follows : nd2 Tc = - xLx- - nL Xd2Xp = 7,854xd2xp I O00 4x1 O00 4 Where : 7 = 3,1416 L = 10 O00 m d= nominal diameter of roum monofilament, in mm p = density of polymeric material, in kg/m3, according to A.3 A3 Nominal density of polymers For calculation purposes use the nominal density of polymers

33、 as given in .able A.l below. Table A.l Page 8 EN 13392:2001 A.4 Expression of results Express the nominal linear density as follows : - - to the nearest whole number over 1 O0 dtex ; with one decimal digit up to and including 100 dtex. Example PET 0,16 mm T = 277,466 -+ linear density Tc = 277 dtex

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