1、Designation:D641900(Reapproved 2009)Standard Test Method forVolatile Content of Sheet-Fed and Coldset Web OffsetPrinting Inks1This standard is issued under the fixed designation D6419;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,t
2、he 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 This test method describes a procedure for determina-tion of the weight percent volatile content of sheet-fed an
3、dcoldset web offset printing inks.Test specimens are heated at110 6 1C for 60 min.NOTE1Coldset web offset printing is often(also)referred to asnon-heatset web offset printing.1.2 This test method is also applicable to sheet-fed andcoldset web offset printing ink vehicles.NOTE2Vehicle is the liquid p
4、ortion of the printing ink.Any substancethat is dissolved in the liquid portion of the ink is a part of the vehicle.1.3 This test method is not applicable to ultra-violet(UV)orelectron beam cured materials,which must be cured byexposure to UV light or an electron beam as part of the test forvolatile
5、 content.1.4 This test method is based on Test Method D2369,inwhich the allowable ranges are 60.1g for specimen weight and65C for oven temperature.Interlaboratory studies haveshown that specimen weight and oven temperature must bothbe more tightly controlled in order to improve the precision oftest
6、results for sheet-fed and coldset web-offset inks.Such inkstypically contain a wide range of high-boiling hydrocarbonsand often have a volatile content below 25%.1.5 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.6 This standa
7、rd does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For a specifichazard statement se
8、e 7.5.1.2.Referenced Documents2.1 ASTM Standards:2D2369 Test Method for Volatile Content of CoatingsD362 Specification for Industrial Grade Toluene(Withdrawn1989)3E145 Specification for Gravity-Convection and Forced-Ventilation OvensE691 Practice for Conducting an Interlaboratory Study toDetermine t
9、he Precision of a Test Method2.2 Other Standards:4EPA Reference Method 24 Determination of VolatileMatter Content,Water Content,Density,Volume Solids,and Weight Solids of Surface Coatings53.Summary of Test Method3.1 A specimen size of 0.300 6 0.001 g is weighed into analuminum foil dish,dispersed in
10、 3 mLof toluene,and heated inan oven at 110 6 1C for 60 min.The percent volatile iscalculated from the loss in weight.4.Significance and Use4.1 This test method is the procedure of choice for deter-mining volatile content of sheet-fed and coldset web offsetinks.This information is useful to the ink
11、manufacturer anduser and to environmental interests as part of the determinationof the mass of volatile organic compounds emitted from theink.NOTE3Since these inks do not contain water or any materialscurrently classified by US EPA as negligibly photochemically reactive(exempt solvents),volatile org
12、anic compound content is the same asvolatile content.The volatile organic compounds in these inks are highboiling hydrocarbon oils which are,according to US EPAguidelines,95%1This test method is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and
13、is the direct responsibility ofSubcommittee D01.56 on Printing Inks.Current edition approved Dec.1,2009.Published December 2009.Originallyapproved in 1999.Last previous edition approved in 2005 as D6419 00(2005).DOI:10.1520/D6419-00R09.2For referenced ASTM standards,visit the ASTM website,www.astm.o
14、rg,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.4Available from U.S.Government Printing Office
15、 Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.5Brezinski,J.J.,ed.,“Determination of Volatile Organic Compound(VOC)Content in Paints,Inks,and Related Coating Products,”MNL 4,ASTM,1993.Copyright ASTM International,100 Barr Harbor Drive,PO
16、Box C700,West Conshohocken,PA 19428-2959.United States1 retained in the printed substrate or oxidized into the ink film.Therefore,the mass of volatile organic compound emitted from the ink would becalculated as only 5%of the volatile organic compound content of the inkas derived from the results of this test method.5.Apparatus5.1 Aluminum Foil Dishes,58 mm in diameter by 18 mmhigh with a smooth(planar)bottom surface.Precondition thedishes for 30 min.in an oven at 110 6 1C and store in adesiccato
