【英文标准名称】:RESPIRATORYPROTECTIVEDEVICES.GASFILTERSANDCOMBINEDFILTERS.REQUIREMENTS,TESTING,MARKING.(EUROPEANSTANDARDEN141).
【原文标准名称】:呼吸保护装置.瓦斯过滤器和组合过滤器.要求、试验、标记.(欧洲标准EN141)
【标准号】:NFS76-021-1991
【标准状态】:作废
【国别】:法国
【发布日期】:1991-04
【实施或试行日期】:1991-03-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C85;C73
【国际标准分类号】:13_340_30
【页数】:11P;A4
【正文语种】:其他


【英文标准名称】:StandardSpecificationforPoly(MethylMethacrylate)AcrylicPlasticSheet
【原文标准名称】:聚甲基丙烯酸甲酯丙烯酸塑料布的标准规范
【标准号】:ASTMD4802-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:丙烯酸;丙烯胶布;塑料;塑料布;聚甲基丙烯酸甲酯丙烯酸;聚合;再生材料;透明塑料;张(片);丙烯酸塑料-规范;铸塑;芯片尺寸;高分子甲基丙烯酸甲酯布;放松;遮盖塑料布;塑料-规范;塑料布和膜-规范;聚甲基丙烯酸甲酯丙烯酸-规范;收缩-塑料;热稳定性-塑料;厚度-塑料;透明塑料制品;非遮盖塑料布;UVA/UVT塑料材料;编码号83.140.10(膜和布)
【英文主题词】:acrylic;acrylicsheet;plastic;plasticsheet;PMMA;poly(methylmethacrylate);recycledmaterial;transparentplastic;sheet;Acrylicplastics--specifications;Castacrylic;Chipsize;Highmolecularweightmethacrylatesheet;Letgoes;Maskedp
【摘要】:1.1Thisspecificationcoversmonolithicmethacrylatesheetsproducedbyvariousprocesses.Forthisspecification,methacrylatesheetshallbecomposedofpolymerizedacrylicmonomersofwhichatleast80%shallbemethylmethacrylate.Note18212;ThisspecificationisintendedtoconsolidatetherequirementsoftheCastMethacrylatePlasticSheetsportionofdiscontinuedFed.Spec.L-P-391D,discontinuedSpecificationD702.CastMethacrylatePlasticSheets,Rods,TubesandShapes,anddiscontinuedSpecificationD1547,ExtrudedAcrylicPlasticSheet.1.2Thisspecificationisintendedtocoveracrylicsheetforgeneral-purposeapplications.Forspecialtyapplicationsconsulttheappropriateusestandards.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Acrylicsheetisusedfrequentlyinapplicationsinwhichextremeclarity,lackofopticaldistortionandabsenceofanyforeignparticulatematterareofprimarysignificance.Regroundmaterialissuitableforuseaslongascarefulcontrolisusedtoeliminateadverseeffectsontheseproperties.TheuseofrecycledmaterialintypeB-1andB-2sheet,isnotsuitableforusewhenthesepropertiesareadverselyaffected.TheuseofrecycledorregroundmaterialisnotpossiblefortypeA-1andA-2materialssincethesheetisproduceddirectlyfrommonomerNote28212;ThisstandardandISO7823-1addressthesamesubjectmatter,butdifferintechnicalcontent.
【中国标准分类号】:G32
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】: