1、BRITISH STANDARDBS EN ISO 9073-17:2008Textiles Test methods for nonwovens Part 17: Determination of water penetration (spray impact)ICS 59.080.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g
2、37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 9073-17:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2008 BSI 2008ISBN 978 0 580 56796 4National forewordThis British Standard is the UK implementation of EN ISO 9073-17:20
3、08.The UK participation in its preparation was entrusted to Technical Committee TCI/24, Physical testing of textiles.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contra
4、ct. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 9073-17May 2008ICS 59.080.30English VersionTextiles
5、- Test methods for nonwovens - Part 17: Determinationof water penetration (spray impact) (ISO 9073-17:2008)Textiles - Mthodes dessai pour nontisss - Partie 17:Dtermination de la pntration de leau (impact darosol)(ISO 9073-17:2008)Textilien - Prfverfahren fr Vliesstoffe - Teil 17: Bewertungder Wasser
6、durchdringung (Spraytest) (ISO 9073-17:2008)This European Standard was approved by CEN on 14 May 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up
7、-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunde
8、r the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hun
9、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: r
10、ue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 9073-17:2008: EForeword This document (EN ISO 9073-17:2008) has been prepared by Technical Committee ISO/TC 38 “Textiles“ in collaboration wi
11、th Technical 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 November 2008, and conflicting national s
12、tandards shall be withdrawn at the latest by November 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENEL
13、EC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembo
14、urg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 9073-17:2008 has been approved by CEN as a EN ISO 9073-17:2008 without any modification. iiBS EN ISO 9073-17:2008iiiContents Page 1 Sc
15、ope . 1 2 Normative references . 1 3 Terms and definitions. 1 4 Principle. 1 5 Materials and reagents. 2 6 Apparatus 2 7 Procedure 2 8 Calculation. 3 9 Test report . 3 Annex A (informative) General information regarding reproducibility . 6 BS EN ISO 9073-17:2008blank1Textiles Test methods for nonwov
16、ens Part 17: Determination of water penetration (spray impact) 1 Scope This part of ISO 9073 specifies a method for measuring the resistance of fabrics to the penetration of water by impact. The water penetration (spray impact) test is applicable to fabrics that are expected to exhibit a degree of w
17、ater resistance or water repellency. The results obtained with this method depend on the water repellency of the fibres or the treatment applied to the finished material, as well as on the construction of the material. 2 Normative references The following referenced documents are indispensable for t
18、he application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 139, Textiles Standard atmospheres for conditioning and testing ISO 3951-5, Sampling procedures for ins
19、pection by variables Part 5: Sequential sampling plans indexed by acceptance quality limit (AQL) for inspection by variables (known standard deviation) ISO 9073-6, Textiles Test method for nonwovens Part 6: Absorption 3 Terms and definitions For the purposes of this document, the following terms and
20、 definitions apply. 3.1 water resistance of nonwoven materials fabric characteristics which are resistant to wetting and penetration by water 4 Principle This method measures the resistance of fabrics to the penetration of water by impact and can thus be used to predict the probable rain-penetration
21、 resistance of the fabric. The sample is used as a protective barrier covering a sheet of pre-weighed absorbent blotting paper. A specific volume of distilled or deionized water is then sprayed onto the sample and the blotter weighed again. The difference in the two weights is a measure of the amoun
22、t of water passing through the barrier. The greater the difference, the more water that has passed through, i.e. the less water repellent the fabric. Thus, higher numbers indicate lower water resistance. See Annex A for general information on reproducibility. BS EN ISO 9073-17:20082 5 Materials and
23、reagents 5.1 Blotting paper2)for spray impact penetration, 150 mm 225 mm, meeting the following parameters: a) no visible distortion in the paper when wetting while testing; b) have an absorbent rate of 5 s or less (see ISO 9073-6); c) have a minimum absorbent capacity of 480 % (see ISO 9073-6); d)
24、exhibit uniform sheet formation; e) be traceable back to a production lot; f) have a sheet density of (0,24 0,05) g/cm3; g) have a basis weight of (124 6) g/m2; h) have a sheet thickness of 0,500 mm to 0,560 mm at 10 kPa foot pressure. 5.2 Water, distilled, at a temperature of (27 1) C. 5.3 Balance,
25、 a laboratory balance capable of weighing the specimen to an accuracy of 0,01 g. 5.4 Stopwatch. 5.5 Baffle, 100 mm 100 mm cut from 6 mm thick polymethyl methacrylate plastic or an equivalent inert material, to be positioned in the funnel to eliminate liquid swirling. 5.6 Drip catcher, e.g. standard
26、blotting paper or any type of absorbent material to catch the last large drops and keep them from hitting the test specimen. 6 Apparatus 6.1 Impact penetration apparatus (impact penetration tester), as shown in Figure 1 (spray head) and Figure 2 (complete unit minus the weighed clamp). 6.2 Clamp tha
27、t will clamp across the width of the specimen and which has been modified to provide a total weight of 454 g. 7 Procedure 7.1 Specimens should be sampled in accordance with ISO 3951-5. 7.2 Bring the specimens and the blotting papers from the prevailing atmosphere to moisture equilibrium for testing
28、in the standard atmosphere as specified in ISO 139. These blotting papers should be exposed to the atmosphere on all sides (hanging on a clothes line is satisfactory). Care in handling should be observed so that specimens do not contact any contaminants, such as soap, salt, oil, etc., which might fa
29、cilitate or hinder water penetration. 2) Such paper is available, for example, from Hollingsworth and Vose, Cheltenham, United Kingdom, under the reference ERTFF3. This information is given for the convenience of users of this part of ISO 9073 and does not constitute an endorsement by ISO of the pro
30、duct. Equivalent products may be used if they can be shown to lead to the same results. BS EN ISO 9073-17:200837.3 Specimens should be cut 175 mm 325 mm, with the long dimension in the machine direction. NOTE The accuracy of this procedure is highly depended on the care taken when calibrating the ap
31、paratus. 7.4 Weigh a 150 mm 225 mm piece of blotting paper to the nearest 0,01 g and designate this as the initial mass (m1). 7.5 Clamp one end of the test specimen under the 150 mm spring clamp at the top of the inclined stand. 7.6 Affix a second 150 mm clamp, modified to provide a total mass of 45
32、4 g, to the other end of the fabric specimen. 7.7 Position the pre-weighed blotting paper beneath the clamped fabric as shown in Figure 2. 7.8 Pour 500 ml of distilled water, at a temperature of (27 1) C, into the funnel of the tester and allow it to spray onto the test specimen. 7.9 Upon completion
33、 of the spraying period, and at the proper time (2 s after the continuous flow stops), insert the “drip catcher” blotting paper to stop the remaining water from hitting the test area. 7.10 Lift the test specimen carefully and remove the blotting paper beneath it. 7.11 In order not to allow any evapo
34、ration loss, immediately weigh the blotting paper to the nearest 0,01 g (m2). 8 Calculation The increase in mass from m1to m2of the blotters is calculated in grams, and the individual, average and standard deviation results for each test sample are reported. 9 Test report The test report shall inclu
35、de the following: a) a reference to this part of ISO 9073, i.e. ISO 9073-17; b) type or designation of material tested; c) number of test pieces tested; d) testing conditions; e) individual spray impact, expressed in grams, to an accuracy of 0,01 g; f) the average and standard deviation of the spray
36、 impact, expressed in grams; g) any deviation from the standard procedure. BS EN ISO 9073-17:20084 Dimensions in millimetres Key 1 25 holes, 61 drill 2 brass 3 bronze Figure 1 Spray head or nozzle for impact penetration tester BS EN ISO 9073-17:20085Dimensions in millimetres Key 1 funnel 2 extension
37、 ring 3 ferrule 4 slide assembly 5 valve 6 spray head 7 clamp 8 drip catcher 9 test stand 10 spring clip 11 specimen and blotting paper on clipboard 12 baffle Figure 2 Impact penetration tester BS EN ISO 9073-17:20086 Annex A (informative) General information regarding reproducibility This interlabo
38、ratory study was based on using six laboratories, 30 specimens of one material and two types of blotting paper. The two blotting papers were type A, blotting paper that met all the test-procedure parameters, and type B blotting paper that was supplied as “routine” but did not meet any of the test-pr
39、ocedure requirements. It was more dense, more variable, had a slow absorbent rate and distorted greatly when wet. Table A.1 illustrates what the six laboratories found and how the two blotting papers compared. All the observations are taken by well-trained operators using specimens randomly tested f
40、rom one lot of standard material specification (SMS) material. This procedure requires the use of a blotting paper with very tight control standards, as stated in 5.1. Table A.1 Comparison between two blotting papers Blotting-paper sample A Blotting-paper sample B No. of participating laboratories 6
41、 6 No. of non-eliminated laboratories 6 6 No. of single values at each of the non-eliminated laboratories 30 30 Grand average 0,522 4,319 Standard deviation of repeatability, sr0,607 2,592 Standard deviation of reproducibility, sR0,607 2,726 One population of SMS material was used for all testing. A
42、 blotting paper that has a low absorbent rate and a high density will distort and give unreliable results. BS EN ISO 9073-17:2008blankBS EN ISO 9073-17:2008BSI Group Headquarters389 Chiswick High Road,London W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards Institute (BSI)BSI is the ind
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