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1、INTERNATIONAL STANDARD NORME INTERNATIONALE INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXAYHAPOAHAR OPrAHM3AblR n0 CTAHAAPTklBAMM Textiles - Nonwovens - Definition Textiles - Nontissh - Dbfinition IS0 9092 First edition Premiere edition 1988-05-01 Re
2、ference number Numtro de r Textiles - Nontissb - Definition 1 Domaine dapplication La presente Norme internationale etablit une definition des nonti 1) To be published. 1) A publier. 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Techn
3、ical Standards 1/9972545001 Not for Resale, 04/25/2007 10:08:07 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 9092 : 1966 (E/F) or, if the conditions in a) do not apply, then b) if the following conditions are fulfilled : 1) more than 30 % by mass of its fibrous conte
4、nt is made up of fibres (excluding chemically digested vegetable fibres) with a length to diameter ratio greater than 300 2) its density is less than 0,40 g/ems. 1) 2 The commonly used term “needlefelt” has given rise to some con- fusion since it restrictively associates needling with felting or fel
5、t-like products. In fact, needling (mechanical interlocking of fibres by specially designed needles or barbs) is a major bonding method of non- wovens in its own right and is frequently the only consolidation route for nonwovens ranging from medical/hygienic disposables to spun-laid geotextiles. 3 T
6、he appearance of a relatively new group of products such as split- films, extruded meshes and nets, etc., presents a further borderline case between nonwovens and related technologies (in this case, plastics). For the purpose of this International Standard, products shall be regarded as nonwovens if
7、 they meet the requirements of the core definition above and where their main structural element can be regarded as fibrous, however derived. 4 Viscose is not considered to be a chemically digested vegetable fibre. 5 Density may be determined using the methods specified in IS0 9073-l and IS0 9073-2.
8、 ou, si les conditions prescrites en a) ne sappliquent pas, alors b) si les conditions suivantes sont remplies : 1) plus de 30 % en masse de son contenu fibreux est consti- tue de fibres (a lexclusion des fibres vegetales extraites chimi- quement) ayant un rapport longueur/diam&re superieur a 300. e
9、t 2) sa masse volumique est inferieure a 0,40 g/ems. 1) 2 Le terme couramment utilise ctfeutre aiguilleten a p&e a confusion, car il associe dune maniere restrictive laiguilletage au feutrage ou aux produits assimilables au feutre. En fait, Iaiguilletage fenchevbtrement mecanique de fibres par des a
10、iguilles ou des barbes specialement con- Cues a cet effet) est en elle-meme une methode fondamentale de liage des nontisses et represente souvent le seul moyen de consolider les nontisses allant des articles medicaux/hygieniques 8 usage unique aux geotextiles files. 3 Larrivee dun groupe relativemen
11、t nouveau de produits tels que les films fibrilles, les mailles et filets extrudes, etc. represente une autre ligne de partage entre les nontisses et des technologies connexes fdans ce cas, les plastiques). Pour ce qui est de la presente Norme internatio- nale, on considerera que des produits sont n
12、ontisses sils remplissent les conditions de la definition principale ci-dessus et si leurs principaux elements de structure peuvent etre consider&s comme fibreux, meme par assimilation. 4 La viscose nest pas consideree etre une fibre vegetale extraite chi- miquement. 5 La masse volumique peut etre d
13、eterminee selon les methodes pres- crites dans IISO 9073-l et IISO 9073-2. 1) Specific products already considered as papers by IS0 committees and related commissions shall be. classified according to the appli- 1) Des produits specifiques consider& comme des papiers au sein cations for which they a
14、re intended (for example, aramid for insulation des comites de IISO et des commissions connexes devraient egale- applications). The method(s) to be adopted for classifying certain non- ment etre jug& en fonction de Iapplication 8 laquelle ils sont destines wovens made by the air-laid paper process i
15、s fare) currently under (par exemple : Iaramide pour Iisolation). La ou les methodes a adopter pour classer certains nontisses realises selon la voie s&he sont actuel- review. lement a letude. UDC 677.076.4 : 001.4 Descriptors : textiles, fabrics, nonwoven fabrics, definitions./Descripteurs : textil
16、e, Btoffe, nontisse, definition. Price based on 2 pages/Prix base sur 2 pages 2 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/25/2007 10:08:07 MDTNo reproduction or networking permitted without license from IHS -,-,-