SSPC-SP6/NACENo.3January1,20072007年1月1日SSPC:TheSocietyforProtectiveCoatings(美国防护涂料协会)JointSurfacePreparationStandard(表面处理联合标准)SSPC-SP6/NACENo.3CommercialBlastCleaning(商业级喷砂清理)ThisTheSocietyforProtectiveCoatings(SSPC)/NACEInternational(NACE)standardrepresentsaconsensusofthoseindividualmemberswhohavereviewedthisdocument,itsscope,andprovisions.Itisintendedtoaidthemanufacturer,theconsumer,andthegeneralpublic.Itsacceptancedoesnotinanyrespectprecludeanyone,whetherhehasadoptedthestandardornot,frommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotaddressedinthisstandard.NothingcontainedinthisSSPC/NACEstandardistobeconstruedasgrantinganyright,byimplicationorotherwise,tomanufacture,sell,oruseinconnectionwithanymethod,apparatus,orproductcoveredbyLettersPatent,orasindemnifyingorprotectinganyoneagainstliabilityforinfringementofLettersPatent.Thisstandardrepresentscurrenttechnologyandshouldinnowaybeinterpretedasarestrictionontheuseofbetterproceduresormaterials.Neitheristhisstandardintendedtoapplyinallcasesrelatingtothesubject.Unpredictablecircumstancesmaynegatetheusefulnessofthisstandardinspecificinstances.SSPCandNACEassumenoresponsibilityfortheinterpretationoruseofthisstandardbyotherpartiesandacceptresponsibilityforonlythoseofficialinterpretationsissuedbySSPCorNACEinaccordancewiththeirgoverningproceduresandpolicieswhichprecludetheissuanceofinterpretationsbyindividualvolunteers.UsersofthisSSPC/NACEstandardareresponsibleforreviewingappropriatehealth,safety,environmental,andregulatorydocumentsandfordeterminingtheirapplicabilityinrelationtothisstandardpriortoitsuse.ThisSSPC/NACEstandardmaynotnecessarilyaddressallpotentialhealthandsafetyproblemsorenvironmentalhazardsassociatedwiththeuseofmaterials,equipment,and/oroperationsdetailedorreferredtowithinthisstandard.UsersofthisSSPC/NACEstandardarealsoresponsibleforestablishingappropriatehealth,safety,andenvironmentalprotectionpractices,inconsultationwithappropriateregulatoryauthoritiesifnecessary,toachievecompliancewithanyexistingapplicableregulatoryrequirementspriortotheuseofthisstandard.本美国防护涂料协会(SSPC)/NACE国际标准代表了对本文件及其范围和规定进行审核的成员的一致意见。本标准旨在帮助生产商、用户和广大公众。接受本标准在任何方面不得妨碍任何人(无论其是否已采用标准)生产、销售、购买或使用本标准未提及的产品、工艺或程序。本SSPC/NACE标准中的任何内容不得解释为通过暗示或其他方法授予任何权利进行生产、销售或使用与许可证专利有关的方法、设备或产品,也不得解释为免除或保护某人免于承担侵犯专利许可证的法律责任。本标准代表了现行技术,但决不可理解为限制使用更好的程序及材料。同时本标准并非必须完全适用于与本主题相关的情况。无视预见的情况可能导致本标准特殊场合下得使用无效。SSPC和NACE不承担其他方解释和使用本标准的相关责任,而仅对SSPC或NACE按照其禁止个别志愿者发布有关解释的管理程序和规定发布的正式解释承担责任。本SSPC/NACE标准的用户负责审核适当的健康、安全、环境及法律文件,并在使用前确定其是否适用于本标准,本SSPC/NACE标准未必能详尽与本标准中详述或提及的材料、设备和操作相关的所有潜在健康和安全问题或环境危害。本SSPC/NACE标准的用户同时还应负责建立恰当的健康、安全和环境保护规程;如需要,应在使用本标准前咨询合适的法律制定机构,以便符合现行适用的法定要求。CAUTIONARYNOTICE:SSPC/NACEstandardsaresubjecttoperiodicreview,andmayberevisedorwithdrawnatanytimeinaccordancewithtechnicalcommitteeprocedures.SSPCandNACErequirethatactionbetakentoreaffirm,revise,orwithdrawthisstandardnolaterthanfiveyearsfromthedateofinitialpublication.Theuseriscautionedtoobtainthelatestedition.Purchasersmayreceivecurrentinformationonallstandardsandotherpublicationsbycontactingtheorganizationsattheaddressesbelow:©SSPC:TheSocietyforProtectiveCoatings4024thStreet,SixthFloorPittsburgh,PA15222(telephone+1877/281-7772)©NACEInternational1440SouthCreekHouston,TX77084-4906(telephone+1281/228-6200)ForewordThisjointstandardcoverstheuseofblastcleaningabrasivestoachieveadefineddegreeofcleaningofsteelsurfacespriortotheapplicationofaprotectivecoatingorliningsystem.Thisstandardisintendedforusebycoatingorliningspecifiers,applicators,inspectors,orotherswhomayberesponsiblefordefiningastandarddegreeofsurfacecleanliness.Thefocusofthisstandardiscommercialblastcleaning.Whitemetalblastcleaning,near-whitemetalblastcleaning,industrialblastcleaning,andbrush-offblastcleaningareaddressedinseparatestandards.Commercialblastcleaningprovidesagreaterdegreeofcleaningthanindustrialblastcleaning(SSPC-SP14/NACENo.81)butlessthannear-whitemetalblastcleaning(SSPCSP10/NACENo.22).Commercialblastcleaningisusedwhentheobjectiveistoremoveallvisibleoil,grease,dust,dirt,millscale,rust,coating,oxides,corrosionproducts,andotherforeignmatter,leavingstainingorshadowsonnomorethan33percentofeachunitareaofsurface.Thedifferencebetweenacommercialblastcleaningandanear-whitemetalblastcleaningisintheamountofstainingpermittedtoremainonthesurface.Commercialblastcleaningallowsstainsorshadowson33percentofeachunitareaofsurface.Near-whitemetalblastcleaningallowsstainingorshadowsononly5percentofeachunitareaofsurface.注意事项:应对SSPC/NACE标准进行周期性审核,同时可根据技术委员会程序随时对其进行修订或撤销。SSPC/NACE要求对本标准首次发布日期起的五年内进行。用户应注意获取最新版本。购买商可通过以下联系方式联系SSPC/NACE标准组织获取所有标准及其他出版物的最新信息:©SSPC:TheSocietyforProtectiveCoatings4024thStreet,SixthFloorPittsburgh,PA15222(telephone+1877/281-7772)©NACEInternational1440SouthCreekHouston,TX77084-4906(telephone+1281/228-6200)序言本联合标准涉及在涂覆保护涂料或衬里漆系前采用磨料喷砂清理钢材表面以达到规定的表面清洁度。本标准供涂层或内衬规程制定者、施工人员、检查人员或其他负债确定表面清洁度标准的人员使用。本标准集中阐述商业级喷砂清理。出白级金属喷砂清理、近似出白级金属喷砂清理、工业级喷砂清理和刷轻喷砂清理已在其他标准单行本中予以叙述。商业级喷砂清理所提供的清洁度高于工业级喷砂清理(SSPC-SP14/NACENo.81),但低于刷轻喷砂清理(SSPCSP10/NACENo.22)。商业级喷砂清理用于清除部件上