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【英文标准名称】:StandardGuideforDeterminingthePresenceofandRemovingMicrobial(FungalorAlgal)GrowthonPaintandRelatedCoatings
【原文标准名称】:测定涂料和相关涂层上微生物(真菌或藻类)的存在及清除的标准指南
【标准号】:ASTMD4610-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D01.28
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:algal;bleach;fungal;microbial;wash;Fungalinfluence/resistance--paints/relatedcoatings;Microbiologicalexamination--paints/relatedcoatings;Algae;Bleaches;Coatings(paint/relatedapplications);Reagents;Wash
【摘要】:Microbialgrowthisamajorcauseofdiscolorationanddeteriorationofpaintfilms.Thisguidedescribestechniquesusedtodistinguishfungiandalgaefromothersurfacecontaminants.Repaintingasurfacecontaminatedwithfungioralgaegenerallycausesmorerapidinfestationofthenewpaintthanrepaintingasurfacefromwhichfungaloralgalgrowthhasbeenremoved.Inaddition,pooradhesion,staining/bleeding,andmanyotherproblemsmayresult.Thisguidedescribesmethodsforremovingfungaloralgalgrowthpriortorepainting.Note18212;Itisextremelyimportantthatallstepsandnotesbereadandfollowed.Inparticularthewashingstepsoutlinedin5.2.2and5.2.4mustbefullycarriedout,sinceresidualsodiumhypochlorite(bleach)cancausemanyofthesameproblems,orevenlossofcolorationafterrepainting,andresidualphosphatedetergentscanencouragefurtherfungalandalgalgrowth.Note28212;Thisprocedureisintendedforusewhenrecoatingthesurface.Reportsofusingthisproceduretoremovefungiandalgaewithoutrecoatingnecessitateinclusionofawarningabouttheadverseeffectsofbleachonacoatingfilm.Theoxidativeeffectsofbleachcandegradefilmproperties,includingparticularlythex201C;bleachingx201D;(lossofcolor)infilmscontainingorganiccoloringpigments(suchasquinacridones,etc.),lossofgloss,chalking,etc.Asmallpatchmustbetestedpriortouseofthisprocedureforthatpurpose.1.1Thisguidedescribestechniquesusedfordeterminingthepresenceoffungaloralgalgrowthonpaintandrelatedcoatingsandmethodsforremovalofsuchgrowthpriortorecoating.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:2P.;A4
【正文语种】:英语