ASTM D2205-1985(2010) Standard Guide for Selection of Tests for Traffic Paints《路标漆试验选择标准指南》.pdf
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1、Designation: D2205 85 (Reapproved 2010)Standard Guide forSelection of Tests for Traffic Paints1This standard is issued under the fixed designation D2205; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、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 guide covers the selection and use of proceduresfor testing traffic paints in the laboratory and in the field.1.2 This guide cover
3、s the testing of a ready-mixed paintproduct of sprayable consistency that shall be suitable for useas a reflecting traffic guide on paved roadways.1.3 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.4 This standard does not p
4、urport 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.2. Referenced Documents2.1 ASTM Standards:2
5、C219 Terminology Relating to Hydraulic CementD8 Terminology Relating to Materials for Roads and Pave-mentsD16 Terminology for Paint, Related Coatings, Materials,and ApplicationsD154 Guide for Testing VarnishesD185 Test Methods for Coarse Particles in PigmentsD215 Practice for the Chemical Analysis o
6、f White LinseedOil Paints3D562 Test Method for Consistency of Paints MeasuringKrebs Unit (KU) Viscosity Using a Stormer-Type Viscom-eterD711 Test Method for No-Pick-Up Time of Traffic PaintD713 Practice for Conducting Road Service Tests on FluidTraffic Marking MaterialsD868 Practice for Determinatio
7、n of Degree of Bleeding ofTraffic PaintD869 Test Method for Evaluating Degree of Settling ofPaintD870 Practice for Testing Water Resistance of CoatingsUsing Water ImmersionD913 Practice for Evaluating Degree of Traffic Paint LineWearD968 Test Methods for Abrasion Resistance of OrganicCoatings by Fal
8、ling AbrasiveD969 Test Method for Laboratory Determination of Degreeof Bleeding of Traffic Paint3D1210 Test Method for Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type GageD1309 Test Method for Settling Properties of Traffic PaintsDuring StorageD1475 Test Method For Density of Liquid
9、 Coatings, Inks,and Related ProductsD1644 Test Methods for Nonvolatile Content of VarnishesD1647 Test Methods for Resistance of Dried Films ofVarnishes to Water and Alkali3D1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD1737 Test Method fo
10、r Elongation of Attached OrganicCoatings with Cylindrical Mandrel Apparatus3D2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD2371 Test Method for Pigment Content of Solvent-Reducible PaintsD2372 Practice for Separation of Vehicle F
11、rom Solvent-Reducible PaintsD4061 Test Method for Retroreflectance of HorizontalCoatingsE97 Test Method for Directional Reflectance Factor, 45-deg0-deg, of Opaque Specimens by Broad-Band Filter Reflec-tometry3E308 Practice for Computing the Colors of Objects byUsing the CIE System1This guide is unde
12、r the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings, Materials, and Applications and is the direct responsibility ofSubcommittee D01.44 on Traffic Coatings.Current edition approved Dec. 1, 2010. Published December 2010. Originallyapproved in 1963. Last previous edition approved in
13、2004 as D2205 85 (2004).DOI: 10.1520/D2205-85R10.2For 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.3Withdrawn.
14、The last approved version of this historical standard is referencedon www.astm.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.2.2 U.S. Federal Test Methods Standard 141B:44121 Dry Opacity3. Terminology3.1 DefinitionsFor definiti
15、ons used in this guide, refer toTerminology C219, D8, and D16.4. Summary of Guide4.1 This guide consists of the following tests that, althoughnot exhaustive, cover the areas normally of concern in trafficpaint testing:SectionsLiquid Paint Properties 6 through 11Application and Appearance Properties
16、12 through 17Properties of the Dried Film 18 through 20Analysis of Paint 21 through 24Field Evaluations 25 through 295. Conditions Affecting Traffic Paint5.1 Practical requirements for traffic paint may vary with:5.1.1 Substrate type, such as portland cement and asphalticconcretes, and the various c
17、oarse aggregates used therein.5.1.2 Climatic conditions, both generally and specifically, atthe time of paint application.5.1.3 Service density, such as heavy traffic areas in citiesversus lightly traveled rural highways and parking lots.5.1.4 Traffic type, whether light passenger cars or heavytruck
18、s and airplanes.5.1.5 Presence of foreign matter on the road surface, such asoil, old paint, skid marks, sand, salt, concrete curing com-pound, etc.5.2 New portland cement concrete surfaces have a greaterdegree of moisture and alkalinity than older surfaces andthereby adversely affect paint adhesion
19、. Paint adhesion is alsoaffected by the ratio of cement to fine aggregate, coarseaggregate, and mixing water, as well as by the surfacecharacter of the aggregate that can range from impervioussmooth quartz to irregular, porous slag.LIQUID PAINT PROPERTIES6. Skinning6.1 Paints containing a binder tha
20、t dries by oxidation aresubject to skin formation in a partially filled can or by diffusionof air into a filled can. Since skins are insoluble in the paintthey must be removed before use. The referenced test employsa partially filled container to indicate the tendency of a paint toskin. A typical mi
21、nimum time for skinning is 18 to 24 h.6.2 Examine the original sample for skins both on thesurface and in the mass. Using a well-mixed, skin-free portionof the sample, perform a skinning test in accordance withGuide D154, except use a 0.5-L (1-pt) friction-top can insteadof an 0.25-L (8-oz) jar.7. C
22、oarse Particles7.1 Paints must be free of oversize particles and foreignmatter to avoid clogging application equipment, a typicalmaximum being 1 % by weight of total paint. The referencedtest with a 325-mesh (45-m) screen gives the percent of thismaterial in the paint.7.2 Determine coarse particles
23、in accordance with TestMethods D185.NOTE 1This test is not used for traffic paint containing pre-mixedglass beads.8. Fineness of Dispersion8.1 The more finely a pigment is dispersed, the moreefficiently it is being used. One method for measuring thedegree of dispersion (commonly referred to as “fine
24、ness ofgrind”) is to draw the material down a calibrated, taperedgroove in a hardened steel block with the groove varying indepth from 4 to 0 mils (100 to 0 m). The point at whichcontinuous groupings of particles or agglomerates, or both,protrude through the surface of the liquid is taken as thefine
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