1、ICS 83.140.10Kunststoffe Tafeln aus Polymethylmethacrylat Typen, Maeund Eigenschaften Teil 2: Extrudierte Tafeln (ISO 7823-2 : 2003)European Standard EN ISO 7823-2 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accor
2、dance with a decision taken by CEN/TC 249 to adopt, withoutalteration, International Standard ISO 7823-2 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Kunststoffe (PlasticsStandards Committee), Technical Committee Halbzeuge aus Thermoplasten.T
3、he DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are asfollows:ISO Standard DIN StandardISO 62 DIN EN ISO 62ISO 75-1 DIN EN ISO 75-1ISO 75-2 DIN EN ISO 75-2ISO 178 DIN EN ISO 178ISO 179-1 DIN EN ISO 179-1ISO 291 DIN EN ISO 291ISO 306 DIN EN ISO 306ISO 4
4、89 DIN EN ISO 489ISO 527-1 DIN EN ISO 527-1ISO 527-2 DIN EN ISO 527-2ISO 877 DIN EN ISO 877ISO 1133 DIN EN ISO 1133ISO 1183-1 DIN EN ISO 1183-1ISO 1183-2 DIN EN ISO 1183-2ISO 1628-6 DIN EN ISO 1628-6*)ISO 2039-2 DIN EN ISO 2039-2ISO 2818 DIN EN ISO 2818ISO 2859-1 DIN ISO 2859-1ISO 4892-2 DIN EN ISO
5、4892-2ISO 8257-1 DIN 7745-1ISO 13468-1 DIN EN ISO 13468-1ISO 14782 DIN EN 2155-9*) Currently at draft stage.Ref. No. DIN EN ISO 7823-2 : 2003-12English price group 11 Sales No. 111104.04DEUTSCHE NORM December 2003EN ISO 7823-2Continued overleaf.EN comprises 13 pages. No part of this standard may be
6、reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).PlasticsPoly(methyl methacrylate) sheets Types, dimensions and characteristicsPart 2: Extruded sheets(
7、ISO 7823-2 : 2003)English version of DIN EN ISO 7823-2Supersedes February 1997edition and DIN 16958,December 1981 edition.Page 2DIN EN ISO 7823-2 : 2003-12AmendmentsThis standard differs from the February 1997 edition and from DIN 16958, December 1981 edition, in that it hasbeen completely revised.P
8、revious editionsDIN 16958: 1981-12; DIN EN ISO 7823-2: 1997-02.National Annex NAStandards referred to(and not included in Normative references and Annex ZA)DIN 7745-1 Polymethacrylate(PMMA) moulding materials Classification and designationDIN EN 2155-9 Aerospace Test methods for transparent material
9、s for aircraft glazing Part 9: Deter-mination of hazeDIN EN ISO 62 Plastics Determination of water absorption (ISO 62 : 1999)DIN EN ISO 75-1 Determination of temperature of deflection of plastics under load Part 1: General testmethod (ISO 75-1 : 1993)DIN EN ISO 75-2 Determination of temperature of d
10、eflection of plastics under load Part 2: Plastics andebonite (ISO 75-2 : 1993)DIN EN ISO 178 Plastics Determination of flexural properties (ISO 178 : 2001)DIN EN ISO 179-1 Plastics Determination of Charpy impact properties Part 1: Non-instrumented im-pact test (ISO 179-1 : 2000)DIN EN ISO 291 Plasti
11、cs Standard atmospheres for conditioning and testing (ISO 291 : 1997)DIN EN ISO 306 Thermoplastic materials Determination of Vicat softening temperature (VST)(ISO 306 : 1994)DIN EN ISO 489 Plastics Determination of refractive index (ISO 489 : 1999)DIN EN ISO 527-1 Plastics Determination of tensile p
12、roperties Part 1: General principles for the deter-mination of tensile properties (ISO 527-1 : 1993 + Corr 1 : 1994)DIN EN ISO 527-2 Plastics Determination of tensile properties Part 2: Test conditions for moulding andextrusion plastics (ISO 527-2 : 1993 + Corr 1 : 1994)DIN EN ISO 877 Methods of exp
13、osure of plastics to direct weathering, to weathering using glass-filtereddaylight, and to intensified weathering by daylight using Fresnel mirrors (ISO 877 : 1994)DIN EN ISO 1133 Plastics Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate(MVR) of thermoplastics (ISO 1133 :
14、 1997)DIN EN ISO 2039-2 Plastics Determination of hardness Part 2: Rockwell hardness (ISO 2039-2 : 1987)DIN EN ISO 2818 Plastics Preparation of test specimens by machining (ISO 2818 : 1994)DIN EN ISO 4892-2 Plastics Methods of exposure to laboratory light sources Part 2: Xenon-arc sources(ISO 4892-2
15、 : 1994)DIN EN ISO 13468-1 Determination of total luminous transmittance of transparent plastic materials Part 1:Single-beam instrument (ISO 13468-1 : 1996)English versionICS 83.140.10 Supersedes EN ISO 7823-2 : 1996.PlasticsPoly(methyl methacrylate) sheets Types,dimensions and characteristicsPart 2
16、: Extruded sheets(ISO 7823-2 : 2003) 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 7823-2 : 2003 EKunststoffe Tafeln aus Polymethyl-methacrylat Typen, Mae und Eigen-schaften Teil 2: Extrudierte Tafeln(ISO 7823-2 : 2003)Th
17、is European Standard was approved by CEN on 2003-05-05.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references con
18、cerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own lang
19、uage and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portuga
20、l, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN ISO 7823-2June 2003Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungPlastiques Plaques en poly(mth-acrylate de mthyle) Types, dimen
21、-sions et caractristiques Partie 2:Plaques extrudes (ISO 7823-2 : 2003)Page 2EN ISO 7823-2 : 2003ForewordInternational StandardISO 7823-2 : 2003 Plastics Poly(methyl methacrylate) sheets Types, dimensions and characteristics Part 2:Extruded sheets,which was prepared by ISO/TC 61 Plastics of the Inte
22、rnational Organization for Standardization, has beenadopted by Technical Committee CEN/TC 249 Plastics, the Secretariat of which is held by IBN, as a EuropeanStandard.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement,
23、 and conflicting national standards withdrawn, by December 2003 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland
24、, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and theUnited Kingdom.Endorsement noticeThe text of the International Standard ISO 7823-2 : 2003 was approved by CEN as a European Standard withouta
25、ny modification.NOTE: Normative references to international publications are listed in Annex ZA (normative).233458101011Page 3EN ISO 7823-2 : 2003Page 4EN ISO 7823-2 : 2003Page 5EN ISO 7823-2 : 2003Page 6EN ISO 7823-2 : 2003Page 7EN ISO 7823-2 : 2003Page 8EN ISO 7823-2 : 2003Page 9EN ISO 7823-2 : 2003Page 10EN ISO 7823-2 : 2003Page 11EN ISO 7823-2 : 2003Page 12EN ISO 7823-2 : 2003Page 13EN ISO 7823-2 : 2003
