Re: Protec4ve Coa4ngs for Absorbent & Non Absorbent Surfaces · 2020. 1. 10. · • Standards include: ASTM G154, ASTM D4329, ASTM D4587, ISO 4892 • The effect is being measured

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CeracoatSurfaceMechanicsRe:Protec4veCoa4ngsforAbsorbent&

NonAbsorbentSurfaces

We<ngThedegreetowhichaliquidspreadsonasolidwhenitcomesintocontactwithit.

Onemeasureofwe8ngisthecontactangle.

Completewe8ngisreferredtoasspreading.

CERACOATINHIBITSSURFACEWETTING.

•  We8ngisthepenetraFonofasurfacebyaliquidorgas.

•  Theamountofwe8ngisquanFfiedthroughmeasurementofthecontactangleoftheliquidorgasthroughtheliquid,wherealiquid/vaporinterface

•  meetsasolidsurface.

CeracoatSurfacePhysicsContactAngle"ThecontactangleisconvenFonallymeasuredthroughtheliquid,wherealiquid/vaporinterfacemeetsasolidsurface.ItquanFfiestheabsorpFoncapacityofasolidsurfacebyaliquidviatheYoungequaFon."Ifthecontactangleislow,theliquidlies"flat"onasurfaceandadheresonitorpenetratesit.Ifthecontactangleishigh,theliquidformsadropletorballandthecontactwiththesurfaceissmall,sothatliquidwon’tadhereto,orpenetrate,thesurface,duetolackofspreading.

CearacoatTes4ngProtocolAcceleratedWeathering-ASTMG154•  Acceleratedweatheringsimulatesdamagingeffectsof

longtermoutdoorexposureofmaterialsandcoa4ngs.•  Scope:•  Standardsinclude:ASTMG154,ASTMD4329,ASTMD4587,

ISO4892•  Theeffectisbeingmeasuredbyexposingtestsamplesto

varyingcondiFonsofthemostaggressivecomponentsofweathering-ultravioletradiaFon,moistureandheat.

•  ThetestchamberusesfluorescentlampstoprovidearadiaFonspectrumcenteredintheultravioletwavelengths.MoistureisprovidedbyforcedcondensaFon,andtemperatureiscontrolledbyheaters.

•  Source:AmericanSocietyforTesFngandMaterials(ASTM),

CeracoatTes4ngProtocolResults

Higher contact angle equals greater UV protection! Ceracoat delivers the protection you need!