Been told youve got a Efflorescence Fatty Edge or Bloom.docx

Been told youve got a Efflorescence Fatty Edge or Bloom.docx

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BeentoldyouvegotaEfflorescenceFattyEdgeorBloom

Beentoldyou'vegotaEfflorescence,FattyEdgeorBloom?

Gota paintfinishthat'sHungryorjustplainCheesy?

Can'ttellif itsCracking,Crazing,GrinningorCrocodiling?

Wellyou'vecometotherightplace.WattylbringsyoutheA -Zofpaintingterms.

∙Abrasive

Anymaterialusedforwearingawayasurfacebyrubbingorfriction.Sandpaper,steelwool,emerypaper,silicaandpowderedpumicearesomecommonexamples.

∙Absorption

Asurfaceisabsorbentwhenitabsorbsortakesintoitselfandholdsthecoatingappliedoverit.PrimersorSealersareusedtoreducetheabsorbencyofasurface,thusensuringamoreuniformfinish.

∙Accelerate

SeeCatalyst

∙Acids

Thesechemicalsareusuallyhighlycorrosiveandmaybeused（inconjunctionwithothercompounds）to"acid-etch"metals,smoothconcrete,etc.

∙Acrylic

Asyntheticplasticresinusedinlatexpaintsandalsoincertainfast-dryingenamelsandlacquers.Principallyderivedfromacrylicacids.Hasexcellentdurability.

∙AirlessSpray

Atomisationisachievedbyforcingthepaintthroughaverysmallorificeatveryhighfluidpressure.Thispressureisdevelopedinaspecialhighpressurepumpanddeliveredtothegunthroughasinglehoseline.Atomisationoccurswithouttheuseofairjetsbecauseoftheveryhighvelocityofthepaintdevelopedandthesuddenreleaseofpressureatthespraytip.

∙Alkali

Asubstancethatneutralizesacids,suchaslye,soda,lime,etc.Alkalisorstrongalkalinesolutionsarehighlydestructivetopaintfilms,inparticularalkyds.Commonlyfoundinuncuredconcrete,plasteretc.

∙Alkyd

Asyntheticresinbasedonrenewablenaturaloils.Itisusedasthebasisofmostsolventbornearchitecturalandindustrialfinishes.

∙AntiFoulingPaint

Usedonmarinecraft,belowthewaterline.Containscertainpoisonstopreventgrowthofbarnaclesandothermarinelifeonthevesselshull.

∙Anti CorrosivePaints

Primersorfinishcoatsusedonsteelorothermetalstopreventorretardcorrosion.Usuallybasedonawater-resistingresin.

∙Asbestos

Afireproofmaterialconsistingoffibresofmagnesiumsilicate.Itsuseisgenerallyrestrictedduetoassociatedhealthrisks.

∙BarrierCoat

Aninitialcoatingusedtoisolatesubsequentcoatingsfromthesubstrateorpreviousfinishes.Sometimesreferredtoasabasecoat.

∙Binder

（Vehicle）Non-Volatileportionofapaintorenamelwhichbindsorcementsthepigmentstogether.Emulsionsareexamplesofthemostcommonlyusedbinders.

∙BittyFilm

Apaintfilmcontainingbitsofskin,gel,flocculatedmaterialorforeignparticles,whichprojectabovethesurfaceofthefilm.

∙BituminousPaint

Formulatedonasphaltumorbitumen,itisoftenblackincolourandusedasamembranecoatingtosealagainsttheingressofwater.

∙Bleaching

Theprocessofrestoringwoodtoitsoriginalcolour（ormakingitlighter）byusingoxalicacidorotherbleachingcompounds.

∙Bleeding

Discolourationcausedbyasolublestaincomingthroughthesubsequentcoatings.

∙Blistering

Formationofbubblesonthesurfaceofcoatingusuallycausedbyapplyingpainttodampsurfaces,intowhichmoisturehasenteredthroughsomeindirectsource（poorjoints,cracksetc）ortosurfacesthataretoohot. Anythingthatcausedvapourtoformunderthefilmmaycauseblistering. Blisteringisusuallyasignofpooradhesionofunderlyingcoatsofpaint.

∙Bloom

Formationofawhitemistinthepaintfilmwhichusuallyoccursduringthedryingprocessincoldorhighhumidityconditions,suchasdewformation,therebyreducingthelustreordeformingitsdepthofcolour. Mayalsorefertoadepositofforeignmatteronafinishedsurfaceeg:

smoke,dustetc

∙Blushing

Thisisafilmdefectrecognisedasamilkyopalescencewhichappearsasthefilmdries. Blushingcanbecausedbytherapidevaporationofsolventsondaysofhighhumidity.

∙Body

（"Consistency"or"Viscosity"）. Thicknessofafluid.

∙Bodying

Theincreaseofconsistencyofapaint.

∙Bridging

Theabilityofacoatingtocoveracrack,voidorsmallgapwithoutabreakinthefilm.

∙Brushability

Theabilityoreasewithwhichapaintenamelorvarnishcanbebrushedonasurfaceunderpracticalconditions.

∙Build

Appliedthicknessofapaintfilm,wetordry.

∙BurningOff

Thesofteningofapaintfilmbyaflameandscrapingoffwhilestillsoft.

∙CalciumCarbonate

Plainwhitechalk.Canbeusedasanextenderforwater-thinnedandexteriorcolours.

∙Catalyst

Achemicalagentusedinrathersmallamountsasanadditivetoaccelerateoractivateachemicalreaction.

∙CementBasedPaint

DryorpowdertypepaintscontainingPortlandCement,usuallyrecommendedformasonrysurfacesorgalvanisedmetal.

∙Chalking

Powderformation（white）onthesurfaceofthepaintfilmduetothebreakdownofthebinderportionofthecoating.

∙Checking

Theformationofshortnarrowcracksinthesurfaceofthepaintfilm.

∙Cheesy

Therathersoftandmechanicallyweakconditionofafilmthatisdrytotouchbuthasnotfullycured.

∙Chipping

Theremovalofpaintandsurfacecontaminantsfromasurfacebymeansofasharpenedtool.

∙ChlorinatedRubber

Asyntheticresinmadebychlorinatingsyntheticornaturalrubberunderspecificconditions.

∙Cissing

Aneffectthatoccurswhereapaintwillnotremainspreadinacontinuousfilm.

∙Co-Polymer

Aresinorpolymerformedfromtwoormoredifferenttypesofmoleculescalledmonomers.

∙Coalescing

Theflowingorfusingtogetherofemulsionparticleswhenalatexpaintdries.

∙CoatofPaint

Acontinuouslayerofpaintfilmresultingfromasingleapplicationofpaint.

∙Cobbwebbing

Generallyreferstotheformationoffinethreadsofpartlydriedpaintduringthesprayingprocess,insteadofacontinuousflow.

∙ColourChange

Achangeinthecolourofthepaintfilmasaresultofbeingexposed.

∙Colourant

Anydyecolourorpigmentorconcentratethatmaybeaddedtoaliquidsurfacecoatinginordertoimpartacolourtothatcoatingi.e.tinting.

∙Consistency

Theapparentviscosity（orthickness）ofapaint（seeviscosity）.

∙ConventionalSpray

Applicationofliquidmaterialbymeansofcompressedairspraygun. The"gun"isessentiallyadeviceforatomizingthepaintwithcompressedairanddirectingitontothesurfacetobecoated.

∙Coverage

Indicatesthespreadingrate,usuallyexpressedintermsofsquaremetrescoveredperlitreofmaterialused.

∙CoveringPower

Thecapacityofanypigmentedpaintfilmtohidethecolouroftheprevioussurface.

∙Cracking

Advancedstateofcheckingorcrazingwherebythebreaksinthefilmaresodeepastoexposetheunderlyingsurface.

∙Cratering

Theremainingeffectofburstbubbles.

∙Crazing

Theappearanceofminute,interlacingcracksonthesurfaceofadriedfilmorfinishedmaterial.

∙Crocodiling

Atermusedtodescribeapaintedsurfacewhichhascrackedintolargesegments.

∙Curing

Thecompletionofthechemicalprocesseswithinthepaintfilmtoachievemaximumperformancecharacteristics.

∙CuttingIn

Carefulpaintingofedgesofwoodworktoavoidthespreadingofpainttoadjacentareaseg:

whereawallcolourmeetstheedgesofwindowframingetc.

∙Dado

Referstothelowerbroadpartoftheinsidewallbeingfinishedinwallpaperorpaint.

∙Delamination

Separationofvariouspaintlayersfromthesubstrateorpreviouscoatings.

∙Density

Massperunitvolume.Commonlyexpressedaskilogramsperlitre.

∙Dispersion

Systemofsuspendingparticles（fine）influid.

∙Drag

Whenapplyingpaintbybrushorroller,thisreferstotheforceofresistancethatisencounteredwhilespreading.

∙Driers

Chemicalcompoundsofvariousmetalsusedtohastenthedryingactionofoilswhenaddedtopaints,enamelsorvarnishes.

∙DryFilmThickness

Theaveragethicknessof,usually,oneharddrycoatofmaterial.

∙DrySpray

Therough,powderynonuniformfilmproducedwhensprayedatomisedpaintdriesbeforereachingthesurface.

∙DrytoHandle

Astateduringthedryingorcuringprocesswhenthepaintfilmhashardenedsufficientlyfortheobjecttobemovedcarefullywithoutmarkingofthefilm.

∙Drytorecoat

Thestageduringthedryingorairingprocesswhenthenextcoatcanbeappliedwithoutadverseeffects.

∙Drytosand

Astateduringthedryingorcuringprocesswhenthepaintfilmcanbesandedtoremoveimperfectionswithoutstickingorcloggingofthesandpaperortearingofthefilm.

∙DryingOils

Oilswhichconverttosolidswhenexposedtotheoxygenintheair. Themostcommondryingoilsusedinpaintsandvarnishesaresafflower,sunflowerandsoybean. Otherlesscommononesarelinseedortung.

∙DryingTime

Thetimerequiredforanappliedcoatingtoreachthedesiredstageofhardnessi.esolidfilm. Variousstagesofdryingare"dust-free","tack-free","touchdry","drytohandle","drytorecoat","drytosand"and"harddry". Dryingtimes,usuallyquotedunderconstantnormalconditions,arehighlyvariabledependinguponambientconditions.

∙Durability

Theabilityofacoatingtowithstandthedestructiveeffectoftheconditionstowhichtheyaresubjectedi.e.whetheritbeactualusageorservice.

∙DustFree

Astageduringthedryingorcuringprocesswhenparticlesoffinedustthatmaysettleonthesurfacedonotsticktothepaint.

∙Efflorescence

Saltsleachedtothesurfaceofmasonrybytheactionofmoistureorresidueduetoevaporation.

∙EggshellFinish

Anindefinitetermusedtodescribeafinishwithlittleornolustre. Italsoreferstoanoff-whitecolour.

∙Elasticity

Propertyofacoatingt