ASTM_D_2198_-_02.pdf

Designation:D 2198 02Standard Test Method forStain Removal From Multicolor Lacquers1This standard is issued under the fixed designation D 2198;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(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers a procedure for the removal ofpencil,crayon,and grease stains from multicolor lacquer filmsthat have been applied to primed steel panels.NOTE1Due to the nature of the test,comparable results can beobtained only when exactly the same materials and apparatus are used.Inthis test method it has not been found possible to describe the materialsand apparatus adequately in more than general terms.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 This standard 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.2.Referenced Documents2.1 ASTM Standards:A 109 Specification for Steel,Strip,Carbon(0.25 Maxi-mum Percent),Cold-Rolled2A 366/A 366M Specification for Commercial Steel(CS),Sheet,Carbon(0.15 Maximum Percent),Cold-Rolled,Commercial Quality3D 209 Specification for Lampblack Pigment4D 609 Practice for Preparation of Cold-Rolled Steel Panelsfor Testing Paint,Varnish,Conversion Coatings,andRelated Coating Products52.2U.S.Federal Specifications:6Fed.Spec.EE-0-451C Specification for Oleo(Margarine)Fed.Spec.TTV-121C Specification for Varnish,Spar,WaterResistingFed.Spec.VV-0-551 Specification for Oil,Lubricating,Marine and Engine,MineralFed.Spec.VV-P-236 Specification for Petrolatum2.3U.S.Military Specification:6MIL-P-11414A Specification for Primer Coating,Lacquer,Rust Inhibiting3.Summary of Test Method3.1 Three 165 by 430 mm(612by 17 in.)primed steelpanels are sprayed with multicolor lacquer and allowed to dryfor 24 h.Varnish is then applied to the ends of the panels andallowed to dry 72 h.The three stains are applied by amechanical apparatus and removed by washing.4.Significance and Use4.1 The procedure described in this test method is intendedas an aid in evaluating the ease of removal for surface stainsencountered by surfaces coated with multicolor lacquers.5.Apparatus and Materials5.1 Steel Panels,165 by 430 mm(612by 17 in.),20-gagecold-rolled steel conforming to Specification A 109 or Speci-fication A 366/A 366M.5.2 Washability Machine,7The washability machine shouldbe capable of moving the abrasion boat linearly across thesample with a reciprocating motion.The speed should be 37 61 cycles(double strokes)per minute over a 10 in.travel.5.3 Lacquer Primer,conforming to MIL-P-11414A.5.4 Drafting Pencil.5.5 China Marking Crayon.5.6 Wetting Agent.85.7 Silica.95.8 Diaper Cloth.5.9 Varnish,clear and waterproof,conforming to Fed.Spec.TT-V-121C or equal cut in mineral spirits.5.10 Carriage,for mounting pencil and crayon.5.11 Arm,extendible,for mounting mohair roller.5.12 Mohair Roller,40 mm(112in.),for application ofgrease stain.5.13 Glass Plate,100 by 175 mm(4 by 7 in.),for holdinggrease stain.1This test method is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.55 on Factory Applied Coatings on Preformed Products.Current edition approved May 10,2002.Published July 2002.Originallypublished as D 2198 63 T.Last previous edition D 2198 84(1996)1.2Annual Book of ASTM Standards,Vol 01.03.3Discontinued;see Annual Book of ASTM Standards,Vol 01.03.4Annual Book of ASTM Standards,Vol 06.03.5Annual Book of ASTM Standards,Vol 06.01.6Available from Standardization Documents Order Desk,DODSSP,Bldg.4,Section D,700 Robbins Ave.,Philadelphia,PA 19111-5098.7Alist of machines suitable for this purpose is found in supporting data availablefrom ASTM International Headquarters.Request RR:D011124.8Triton X-100,available from Dow Chemical,2040 Dow Center,Midland,MI48674,has been found suitable for this purpose.9A list of silicas suitable for this purpose is found in supporting data availablefrom ASTM International Headquarters.Request RR:D011125.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.5.14 GreaseThe grease shall consist of the followingingredients:5.14.1 Lanolin,anhydrous,50 g,5.14.2 Petrolatum,50 g,conforming to Fed.Spec.VV-P-236,5.14.3 Margarine,30 g,conforming to Fed.Spec.EE-0-451C,5.14.4 Mineral Oil,10 g,conforming to Fed.Spec.VV-0-551,and5.14.5 Lampblack,5 g,conforming to Specification D 209.6.Preparation of Panels6.1 Prepare three 165 by 430-mm(612by 17-in.)steelpanels in accordance with Practice D 609.Spray a 0.5-mil(1