1、DEUTSCHE NORM Awil 1995 Yarn from packages Determination of linear density (mass per unit length) by the skein method - (IS0 2060: 1994) Enalish version of DIN EN IS0 2060 (EN IS0 206C ICs 59.080.20 Descriptors: Yarn, testing, linear density. This standard incorporates the English version of Is0 206
2、0. Supersedes DIN 53830-1 May 1981 editions. and DIN 53830-2, Beuth Verlag GmbH, Berlin, has the exclusive right of sale for German Standards (DIN-Normen). DIN EN IS0 2060 Engl. Price group 11.95 Sales No. 1109 Textilien; Garne von Aufmachungseinheiten; Bestimmung der Feinheit (Masse je Lngeneinheit
3、) durch Strangverfahren (IS0 2060 : 7994) European Standard EN IS0 2060: 1995 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been published in accordance with a decision taken by CEN/TC 248 to adopt, without alteration, International Stan
4、dard IS0 2060 as a European Standard. The responsible German body involved in its preparation was the Normenausschu Materialprfung (Materials Testing Standards Committee). The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows: IS0 139 DIN EN
5、20139 IS0 1139 IS0 1144 DIN 60900-1, DIN 60900-2 DIN 60900-4, DIN 60905-1, DIN 60905-3 IS0 1833 DIN 54201 Amendments In comparison with DIN 53830 Parts 1 and 2, May 1981 editions, the following amendments have been made. a) Specifications regarding the determination of the commercial mass of yarn ha
6、ve been amended. b) Details of the measurement conditions (e.g. a skein length of 1 O m has been specified for spun and filament yarns with a linear density greater than 100 tex) have been changed. Previous editions DIN 53830-1: 1965-06, 1981-05; DIN 53830-2: 1981-05. Standards referred to (and not
7、included in Normative references and Annex ZA DIN 54201 Quantitative determination of the percentage of textile fibre mixtures; instructions for work DIN 60900-1 Yarns; classification and concepts DIN 60900-2 Yarns; designation of the yarn construction in the Tex system DIN 60900-4 Yarns; designatio
8、n of the yarn construction in the Nm system DIN 60905-1 Tex system; principles DIN 60905-3 Tex system; rounding of calculated linear densities DIN EN 20 139 Textiles; standard atmospheres for conditioning and testing (IS0 139: 1973) EN comprises 13 pages. EUROPEAN STANDARD NORME EUROPENNE EUROPAISCH
9、E NORM EN IS0 2060 February 1995 ICs 59.080.20 Descriptors: Yarn, testing, linear density. English version Textiles Yarn from packages Determination of linear density (mass per unit length) by the skein method (IS0 2060 : 1994) Textiles; fils sur enroulements; dter- mination de la masse linique (mas
10、s par unit de longueur) par ia mthode de l?cheveau (IS0 2060 : 1994) Textilien; Garne von Aufmachungsein- heiten; Bestimmung der Feinheit (Masse je Lngeneinheit) durch Strangverfahren (IS0 2060 : 1994) This European Standard was approved by CEN on 1994-12-12 and is identical to the IS0 Standard as r
11、eferred to. CEN members are bound to comply with the CENLENELEC 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 ob
12、tained 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 Se
13、cretariat 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 Commit
14、tee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassar 36, B-1050 Brussels O 1995. Copyright reserved to all CEN members. Ref. No. EN IS0 2060 : 1995 E Page 2 EN IS0 2060 : 1995 Foreword International Standard IS0 2060:1994 Textiles;
15、 yarn from packages; determination of linear density (mass per unit length) by the skein method which was prepared by ISO/TC 38 Textiles of the International Organization for Standardization, has been adopted by Technical Committee CENTTC 248 as a European Standard. This European Standard shall be g
16、iven the status of a national standard, either by publication of an identical text or by endorsement, and conflicting national standards withdrawn, by August 1995 at the latest. In accordance with the CENKENELEC Internal Regulations, the following countries are bound to implement this European Stand
17、ard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of the International Standard IS0 2060: 1994 was approved by CEN as a European Standard wit
18、hout any modifica- tion. NOTE: Normative references to international publications are listed in Annex ZA (normative). 1 Scope This International Standard specifies a method for the determination of the linear density of all types of yarn in package form, with the exception of any yarn that may be th
19、e subject of a separate International Stan- dard”. It includes seven optional procedures based on dif- ferent methods of conditioning and preparation (see 4.1 and 4.2). Since the different procedures do not give the same values, it is essential that the proce- dure used is agreed by all parties inte
20、rested in the test results. While this method is designed solely for the determi- nation of mass per unit length of yarn, it is frequently desirable to combine this determination with tests for strength and/or tests for commercial mass. If, in such a case, skein lengths other than those specified ar
21、e used, the length used, and any special corrections based on it, are subject to agreement between the interested Darties. This method is applicable to a) single yarns (spun, monofilament or multifila- ment); b) folded (plied) yarns; c) cabled yarns. It is not applicable, except by agreement, to yar
22、ns which stretch more than 0.5 % when the tension, in centinewtons, per unit linear density of yarn, in tex, increases from 0,5 to l,O. Such yarns may be tested under special conditions if they are accepted by all the parties interested in the test results. The method is not applicable to yarns havi
23、ng a linear density greater than 2 O00 tex. For such yarns, other skein lengths and special conditions of reeling may be adopted by agreement of the interested parties. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of t
24、his International Standard. At the time of pub- lication, the editions indicated were valid. All stan- dards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards ind
25、icated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IS0 139:1973, Textiles - Standard atmospheres for conditioning and testing. IS0 1 139: 1973, Textiles - Designation of yarns. IS0 1 144: 1973, Textiles - Universal system for des- ignating linear dens
26、ity (Tex System). IS0 1833:1977 and IS0 1833:1977/4md.1:1980, Textiles - Binary fibre mixtures - Quantitative chemical analysis. 1) See also IS0 1889: 1 987, Textile glass - Continuous filament yarns, staple fibre yarns, textured yarns and rovings (pack- ages) - Determination of linear density and I
27、S0 10120:1991, Carbon fibre - Determination of linear density, which were prepared specially for the needs of textile glass technologies. Page 3 EN IS0 2060: 1995 3 Definitions For the purposes of this International Standard, the following definitions apply. 3.1 linear density: Mass per unit length
28、of a yarn. It is expressed in tex or its multiples or submultiples. see IS0 1139:1973 and IS0 1144:1973. 3.2 commercial moisture regain: Arbitran/ value formally adopted as the moisture regain to be used with the oven-dry mass when calculating a) the linear density, or b) the commercial or legal mas
29、s of a shipment or lot (consignment) of any specific textile material. 3.3 commercial allowance: Arbitrary value equiv- alent to the commercial moisture regain plus an ap- proved allowance for finish, formally adopted for use with the ovendry mass when calculating a) the linear density, or b) the co
30、mmercial or legal mass of a shipment or delivery of any specific textile material. 3.4 moisture equilibrium: Condition reached by a sample at a closely defined temperature and relative humidity when the net difference between the amount of moisture absorbed and the amount desorbed, as indicated by a
31、 change in mass, shows no trend and becomes insignificant. 3.5 moisture equilibrium for testing: A textile material is in moisture equilibrium with the ambient atmosphere when it does not exchange water with this atmosphere; its mass then remains constant as long as the experiment is carried out in
32、an unchanged atmosphere. For test purposes, moisture equilibrium is reached by absorption starting from a relatively low moisture content. Moisture equilibrium for testing is considered as having been reached when the rate of increase in mass of a sample or specimen due to moisture uptake does not e
33、xceed that prescribed for the material being tested (see IS0 139). 3.6 moisture-free mass (1) Constant mass of a specimen obtained by drying material at a temperature of 105 C f 3 “C in a cur- rent of dry air. (2) Amount of dry substance calculated from inde- pendent determination of moisture conten
34、t, for ex- ample, distillation with an immiscible solvent or titration with Karl Fischer reagent (see also 3.7). 3.7 oven-dry mass: Constant mass of a specimen obtained by drying in an oven under prescribed con- ditions of temperature and humidity. NOTE 1 Conditions most frequently used are a temper
35、a- ture of 105 “C lea skein; numbering skein: Small skein which has a prescribed length of yarn and is used in this International Standard for the determi- nation of linear density or breaking load, or both. 4 Principle The linear density is calculated from the length and mass of suitable specimens.
36、 Specimens of suitable length are prepared by reeling test skeins for yarn numbering under specified conditions from samples that have been adequately conditioned after suitable preconditioning in skein form. In practice, the mass of the skeins is determined under various conditions, as noted in 4.1
37、.1 to 4.1.3 and 4.2.1 to 4.2.4. Any one of the options given in 4.1 and 4.2 may be used if mutually agreed. 4.1 Unscoured yarn 4.1.1 Option 1: mass of the conditioned yarn at equilibrium with the standard atmosphere for testing (see 1 1.3.1 1. 4.1.2 Option 2: mass of the oven-dry yarn (see 11.3.2).
38、4.1.3 Option 3: mass of the oven-dry yarn plus the commercial moisture regain (see 11.3.3). 4.2 Scoured yarn 4.2.1 Option 4: mass of the scoured yarn at equi- librium with the standard atmosphere for testing (see 1 1.4.2). Page 4 EN IS0 2060:1995 4.2.2 Option 5: mass of the scoured oven-dry yarn (se
39、e 1 1.4.3). 4.2.3 Option 6: mass of the scoured oven-dry yarn, plus the commercial moisture regain (see 11.4.4). 4.2.4 Option 7: mass of the scoured oven-dry yarn, plus the commercial allowances (see 1 1.4.5). NOTE 2 The use of Option 1, 3 or 7 is recommended. 5 Apparatus 5.1 Reel, having a perimete
40、r such that the required length of yarn is given by a whole number of rev- olutions, and with a traversing device that will avoid bunching of the yarn during reeling. A perimeter of 1,000 m 2.5 mm is recommended. suppling predried air to the oven. However, results of equal precision (but at somewhat
41、 lower levels of observed moisture content) may be obtained by supplying upper lim- its of temperature and humidity. 5.3 Balance, having an appropriate capacity and a sensitivity equal to 1 part in 1,000 of the mass of the skein or skeins to be weighed. (These tolerances ap- ply to the balance used,
42、 whether or not it is combined with the oven.) 5.4 Auxiliary equipment suited to the samples and procedures to be used, including conventional sample supports, weighing bottles with ground glass stop- pers, tared wire gauze weighing baskets of noncorrodible metal, etc. 5.5 Facilities for scouring or
43、 extracting samples, if required (see annex Cl. The reel shall be either 6 Standard atmospheres a) fitted with a positive feed system at a controlled tension of 0,5 k 0,l cN/tex, or b) fitted with an adjustable tension device. In this case, the length of the skein may be checked by some suitable mea
44、ns (see annex A). Variations in the specified length of the perimeter shall be small enough that skeins prepared on the reel conform with the specifications given in annex A. NOTE 3 may be used if mutually agreed by the interested parties. Existing reels with perimeters other than 1 m 5.2 Ventilated
45、 drying oven, in which the yarn specimens are exposed at a temperature maintained at 105 “C 5 3 “C. The specimens shall not be subject to direct radiation from the heating units. The oven shall be supplied with a current of predried air (less than 0,Ol g of water per 1 O00 I) at such a rate that the
46、 volume of air in the oven will be renewed at least once every 4 min. Alternatively, by agreement of all interested parties, the oven may be supplied with air at any specified temperature and relative humidity (R.H.). The oven shall be designed to facilitate the free passage of air through the speci
47、mens. The oven may be provided with facilities for cutting off the air current and weighing the specimens without their removal from the oven. NOTE 4 Air under standard temperature conditions (65 % R.H. at 20 “C) has a moisture vapour pressure of 1 515 Pa. If the temperature of this air is raised to
48、 105 “C. the air will have a relative humidity of 1,25 %. Under these conditions, samples of textiles with a high moisture regain, such as regenerated cellulose or wool, may retain up to 0,5 % moisture. Accurate results can be secured only by The atmospheres for preconditioning, conditioning and tes
49、ting shall be as specified in IS0 139. NOTE 5 Air at 20 “C and 65 YO R.H. has a water vapour pressure of 1 51 5 Pa and when heated to 47 “C f 3 “C will produce an atmosphere having a relative humidity of 12,3 % to 16.7 %. Air at the maximum limit of 22 “C and 67 % R.H. has a water vapour pressure of 1 770 Pa which, heated to 44 “C to 50 “C. results in humidities in the range of 14.3 % to 19.4 %. Any departure from the standard pre- conditioning atmosphere should be agreed by the interested parties and the temperature and humidity used stated in the test report. 7 Sampling
