标准名称：	木质活性碳检验方法 未碳化物含量
英文名称：	Test method of wooden activated carbon--Uncarbonized constituent
中标分类：	化工 >> 无机化工原料 >> 氧化物、单质
替代情况：	被GB/T 12496.13-1999代替
发布日期：	1900-01-01
实施日期：	1991-07-01
首发日期：	1900-01-01
作废日期：	2000-04-01
出版日期：	1900-01-01
页数：	2页

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【英文标准名称】:Paintsandvarnishes-Corrosionprotectionofsteelstructuresbyprotectivepaintsystems-Part1:Generalintroduction
【原文标准名称】:色漆和清漆防护漆体系对钢结构的腐蚀防护第1部分:总则
【标准号】:ISO12944-1-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC35
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;钢架结构;腐蚀应力;覆层;腐蚀;安全;定义;材料试验;防护覆层;金属覆层;防腐蚀;腐蚀性;涂料;钢结构作业;结构;覆层材料;清漆;保健
【英文主题词】:Coatingmaterials;Coatings;Corrosion;Corrosionprotection;Corrosivestresses;Corrosivity;Definitions;Healthprotection;Materialstesting;Metalcoatings;Paints;Protectivecoatings;Safety;Steel-framedconstructions;Steels;Structuralsteelwork;Structures;Varnishes
【摘要】:1ISO12944dealswiththecorrosionprotectionofsteelstructuresbyprotectivepaintsystems.2ISO12944coversonlythecorrosion-protectivefunctionofpaintsystems.Otherprotectivefunctions,liketheprotectionagainst:—microorganisms(marinefouling,bacteria,fungi,etc.),—chemicals(acids,alkalis,organicsolvents,gases,etc.),—mechanicalaction(abrasion,etc.)and—firearenotcoveredbyISO12944.3Thefieldofapplicationischaracterizedby:—thetypeofstructure,—thetypeofsurfaceandsurfacepreparation,—thetypeofenvironment,—thetypeofprotectivepaintsystem,—thetypeofworkand—thedurabilityoftheprotectivepaintsystem.AlthoughISO12944doesnotcoveralltypesofstructure,surfaceandsurfacepreparation,itmay,byagreement,alsobeappliedtothosecaseswhicharenotcoveredbythestandard.Thevariousaspectsofthefieldofapplicationaredescribedinmoredetailin1.3.1to1.3.6.3.1TypeofstructureISO12944concernsstructuresmadeofcarbonorlow-alloysteel(e.g.inaccordancewithEN10025)ofnotlessthan3mmthickness,whicharedesignedusinganapprovedstrengthcalculation.NotcoveredbyISO12944areconcretestructuresreinforcedwithsteel.3.2TypeofsurfaceandsurfacepreparationISO12944dealswiththefollowingtypesofsurfaceconsistingofcarbonorlow-alloysteel,andtheirpreparation:—uncoatedsurfaces;—surfacesthermallysprayedwithzinc,aluminiumortheiralloys;—hot-dip-galvanizedsurfaces;—zinc-electroplatedsurfaces;—sherardizedsurfaces;—surfacespaintedwithprefabricationprimer;—otherpaintedsurfaces.3.3TypeofenvironmentISO12944dealswith:—sixcorrosivitycategoriesforatmosphericenvironments,—threecategoriesforstructuresimmersedinwaterorburiedinsoil.3.4TypeofprotectivepaintsystemISO12944coversarangeofpaintproductswhichdryorcureatambientconditions.NotcoveredbyISO12944are:—powdercoatingmaterials,—stovingenamels,—heat-curedpaints,—coatingsofmorethan2mmdry-filmthickness,—liningsoftanks,—productsforthechemicaltreatmentofsurfaces(e.g.phosphatingsolutions).3.5TypeofworkISO12944coversbothnewworkandmaintenance.3.6DurabilityoftheprotectivepaintsystemISO12944considersthreedifferentdurabilityranges(low,mediumandhigh).See3.5andclause4.Thedurabilityrangeisnota"guaranteetime".
【中国标准分类号】:G51
【国际标准分类号】:87_020;91_080_10
【页数】:6P.;A4
【正文语种】:英语