EN 423:2001
(Main)Resilient floor coverings - Determination of resistance to staining
Resilient floor coverings - Determination of resistance to staining
This European Standard specifies a method for determining the resistance of a resilient floor covering to those chemical substances it is likely to experience in service.
Elastische Bodenbeläge - Verhalten gegenüber Flecken
Diese Europäische Norm legt ein Verfahren zur Bestimmung der Beständigkeit eines elastischen Boden-belags gegen Einwirkung von chemischen Substanzen fest, die in der Praxis Anwendung finden könnten.
Revêtements de sol résilients - Détermination de résistance aux taches
La présente Norme européenne spécifie une méthode d'essai pour déterminer la résistance d'un revêtement de sol résilient aux substances chimiques auxquelles il est susceptible d'être exposé lors de son utilisation.
Netekstilne talne obloge - Ugotavljanje odpornosti proti madežem
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Netekstilne talne obloge - Ugotavljanje odpornosti proti madežemElastische Bodenbeläge - Verhalten gegenüber FleckenRevetements de sol résilients - Détermination de résistance aux tachesResilient floor coverings - Determination of resistance to staining97.150Netekstilne talne oblogeNon-textile floor coveringsICS:Ta slovenski standard je istoveten z:EN 423:2001SIST EN 423:2002en01-junij-2002SIST EN 423:2002SLOVENSKI
STANDARDSIST EN 423:19991DGRPHãþD
SIST EN 423:2002
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 423December 2001ICS 97.150Supersedes EN 423:1993English versionResilient floor coverings - Determination of resistance to stainingRevêtements de sol résilients - Détermination de résistanceaux tachesElastische Bodenbeläge - Bestimmung derFleckenempfindlichkeitThis European Standard was approved by CEN on 18 November 2001.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-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members 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.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 423:2001 ESIST EN 423:2002
EN 423:2001 (E)2ForewordThis European Standard has been prepared by Technical Committee CEN/TC 134 "Resilient and textile floorcoverings", 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 orby endorsement, at the latest by June 2002, and conflicting national standards shall be withdrawn at the latest byJune 2002.This European Standard supersedes EN 423:1993.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,Switzerland and the United Kingdom.SIST EN 423:2002
EN 423:2001 (E)31 ScopeThis European Standard specifies a method for determining the resistance of a resilient floor covering to thosechemical substances it is likely to experience in service.2 PrincipleVarious chemical substances in liquid or paste form are placed on a test piece for defined periods and removed.After cleaning has been carried out the resulting change of appearance is assessed under specified lightingconditions.3 Apparatus and materials3.1 Standard laboratory equipmenta) pipettes;b) spatulas.3.2 Untreated glass fibre fabric, of mass per unit area (300 to 400) g/m2 and diameter approximately40 mm.3.3 Chemical substances in liquid or paste form, to be agreed between the interested parties.3.4 Standard cleaning and stain removal products.3.4.1 White cotton, in pad or cloth form.3.4.2 Brushes, hard, unlikely to score the surface.3.4.3 Warm water, used alone or with the following:a) synthetic detergent, e.g. sodium alkylsulfate;b) soap;c) alkaline products, e.g. washing soda or ammonia solution;d) hydrogen peroxide;e) sodium hypochlorite;f) sodium thiosulfate, 1 % solution;g) oxalic acid.SIST EN 423:2002
EN 423:2001 (E)43.4.4 Denatured ethanol3.4.5 White spirit3.4.6 Turpentine3.5 AbrasivesAbrasive scouring pads, steel wool No. 00 or scouring powder, or abrasive papers, grain size P 240 or finer, usedwith water.3.6 Special cleaning products, special products, recommended by the floor covering manufacturer.3.7 Illumination device, comprising a lamp of correlated colour temperature 5 500 K to 6 500 K, mounted togive an intensity of light at the viewing platform of (1500 ± 100) lx and in such a way as to illuminate the test piecevertically from above. The surroundings shall be neutral and darkened.The intensity of the light shall be checked frequently by the use of a luxometer. The lifetime of the lamp, as given bythe manufacturer, shall not be exceeded.3.8 Rotary viewing table, enabling the test piece to be rotated so that it may be viewed from all directionsunder the stand
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