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发表于 2007-9-23 15:28:30
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ASTM D2247.pdf
onlyforreference
StandardPracticeforTestingWaterResistanceofCoatingsin100%Relative
Humidity1
ThisstandardisissuedunderthefixeddesignationD2247;thenumberimmediatelyfollowingthedesignationindicatestheyearof
originaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.A
superscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.
1.Scope
1.1Thispracticecoversthebasicprinciplesandoperatingproceduresfortestingwaterresistanceofcoatingsbyexposing
coatedspecimensinanatmospheremaintainedat100%relativehumiditysothatcondensationformsonthetestspecimens.
1.2Thispracticeislimitedtothemethodsofobtaining,measuring,andcontrollingtheconditionsandproceduresof
testsconductedin100%relativehumidity.Itdoesnotspecifyspecimenpreparation,specifictestconditions,orevaluationof
results.
NOTE1—AlternativepracticesfortestingthewaterresistanceofcoatingsincludePracticesD870,D1735,andD4585.
1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse. |
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