BS EN 572-8-2004 建筑用玻璃.钠钙玻璃基本产品.提供尺寸和最终切割尺寸标准

EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN572-8June2004ICS81.040.20EnglishversionGlassinbuilding-Basicsodalimesilicateglassproducts-Part8:SuppliedandfinalcutsizesVerredanslaconstruction-Produitsverriersdesilicatesodo-calciquedebase-Partie8:TailleslivréesettaillesdécoupéesfinalesGlasimBauwesen-BasiserzeugnisseausKalk-Natronsilicatglas-Teil8:LiefermaßeundFestmaßeThisEuropeanStandardwasapprovedbyCENon3March2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2004CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN572-8:2004:EEN572-8:2004(E)2ContentspageForeword......................................................................................................................................................................31Scope..............................................................................................................................................................42Normativereferences....................................................................................................................................43Termsanddefinitions...................................................................................................................................44Glassproducts...............................................................................................................................................75Dimensionalrequirements............................................................................................................................75.1Manufacturingdimensions...........................................................................................................................75.1.1Suppliedsizes................................................................................................................................................75.1.2Finalcutsizes................................................................................................................................................85.2Thickness.......................................................................................................................................................85.2.1General............................................................................................................................................................85.2.2Tolerances......................................................................................................................................................95.3Length,width,andsquareness..................................................................................................................106Qualityrequirements...................................................................................................................................126.1General..........................................................................................................................................................126.2Methodsofobservationandmeasurement..............................................................................................136.2.1Opticalfaults................................................................................................................................................136.2.2Visualfaults..................................................................................................................................................136.2.3Edgedefectsforfinalcutsizes..................................................................................................................146.3Acceptancelevels........................................................................................................................................156.3.1Opticalfaults................................................................................................................................................156.3.2Spotfaults......................................................................................................................................