ASTM_D_4302_-_14.pdf

Designation:D430214Standard Specification forArtists Oil,Resin-Oil,and Alkyd Paints1This standard is issued under the fixed designation D4302;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 Thisspecificationestablishesrequirementsforcomposition,physical properties,performance,and labeling ofartists oil,resin-oil,and alkyd paints.1.2 This specification covers pigments,vehicles,and addi-tives.Requirements are included for pigment identification,lightfastness,consistency,and drying time.1.3 Table 1 lists some pigments meeting the lightfastnessrequirements in this specification.In order to identify otherpigments that meet these requirements,instructions are givenfor test specimen preparation.Test methods for determiningrelative lightfastness are referenced.1.4 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly.1.5 This pertains only to the test method found in Section8.This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D79 Specification for Zinc Oxide PigmentsD185 Test Methods for Coarse Particles in PigmentsD387 Test Method for Color and Strength of ChromaticPigments with a Mechanical MullerD476 Classification for Dry Pigmentary Titanium DioxideProductsD602 Specification for Barium Sulfate PigmentsD1133 Test Method for Kauri-Butanol Value of Hydrocar-bon SolventsD1210 Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type GageD1640 Test Methods for Drying,Curing,or Film Formationof Organic Coatings at Room TemperatureD1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD2245 Test Method for Identification of Oils and Oil Acidsin Solvent-Reducible PaintsD2369 Test Method for Volatile Content of CoatingsD2689 Practices for Testing Alkyd Resins(Withdrawn2008)3D4236 Practice for Labeling Art Materials for ChronicHealth HazardsD4303 Test Methods for Lightfastness of Colorants Used inArtists MaterialsD4838 Test Method for Determining the Relative TintingStrength of Chromatic PaintsD4941 Practice for Preparing Drawdowns of Artists PastePaintsE284 Terminology of Appearance3.Terminology3.1 Definitions:3.1.1 Colour Index Name,nconsists of the category(typeof dye or pigment),general hue,and an assigned number givento a colorant in the Colour Index4as an international identifi-cation system.3.1.1.1 DiscussionFor example,the Colour Index Nameof one phthalocyanine blue pigment is Pigment Blue 15(PB15).3.1.2 Colour Index Number,na five-digit number given inthe Colour Index that describes the chemical constitution of acolorant.3.1.2.1 DiscussionFor example,the Colour Index Numberof one phthalocyanine blue pigment is 74160.1This specification is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.57 on Artist Paints and Related Materials.Current edition approved July 1,2014.Published August 2014.Originallyapproved in 1983.Last previous edition approved in 2010 as D4302 05(2010).DOI:10.1520/D4302-14.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Colour Index,3rd ed.,5 Vols and Revisions,The Society of Dyers andColourists,London,197175.Available from the American Association of TextileChemists and Colorists,P.O.Box 12215,Research Triangle Park,NC 27709.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.1.3 Refer to Terminology E284 for appearance terms usedin this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 alkali refined oil,ntriglyceride oil of vegetableorigin that has been treated with alkali to reduce the free acidityby formation of water-soluble salts,subsequently removed bywashing.3.2.1.1 DiscussionAn appreciable degree of free aciditymay cause a greater development of yellowing in a dried filmof oil.Most artistsoil paints are ground in alkali refined oil.3.2.2 alkyd paint,npaint containing a resin produced bycombining a polybasic acid,a polyhydric alcohol,and the fattyacid of a drying vegetable oil.Fo