1、Designation:D 2198 84(Reapproved 1996)e1Standard 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 revisi
2、on.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.e1NOTEUnit of measurement statement was added editorially in June 1996.1.Scope1.1 This test method covers a procedure for the removal ofpencil,c
3、rayon,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 materi
4、alsand apparatus adequately in more than general terms.1.2 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is ther
5、esponsibility 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,Cold-Rolled2A 366/A366M Specification for Steel
6、,Sheet,Carbon,Cold-Rolled,Commercial Quality2D 209 Specification for Lampblack Pigment3D 609 Practice for Preparation of Steel Panels for TestingPaint,Varnish,Lacquer,and Related Products42.2U.S.Federal Specifications:5Fed.Spec.EE-0-451C Specification for Oleo(Margarine)Fed.Spec.TTV-121C Specificati
7、on 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:5MIL-P-11414A Specification for Primer Coating,Lacquer,Rust Inhibiting3.Summary of Test Method3.1 Three 612by 17-
8、in.(165 by 430 mm)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
9、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,612by 17 in.(165 by 430 mm),20-gagecold-rolled steel conforming to Specification A 109 or Speci-fication A 36
10、6/A 366M.5.2 Washability Machine.65.3 Lacquer Primer,conforming to MIL-P-11414A.5.4 Drafting Pencil.5.5 China Marking Crayon.5.6 Wetting Agent.75.7 Amorphous Silica.5.8 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 mo
11、unting pencil and crayon.5.11 Arm,extendible,for mounting mohair roller.5.12 Mohair Roller,112in.(40 mm),for application ofgrease stain.5.13 Glass Plate,4 by 7 in.(100 by 175 mm),for holdinggrease stain.5.14 GreaseThe grease shall consist of the followingingredients:5.14.1 Lanolin,anhydrous,50 g,5.1
12、4.2 Petrolatum,50 g,conforming to Fed.Spec.VV-P-236,1This test method is under the jurisdiction of ASTM Committee D-1 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.55 on Factory-Applied Coatings on Preformed Products.Current edition appro
13、ved Aug.31,1984.Published January 1985.Originallypublished as D 2198 63 T.Last previous edition D 2198 68(1979)e1.2Annual Book of ASTM Standards,Vol 01.03.3Annual Book of ASTM Standards,Vol 06.03.4Annual Book of ASTM Standards,Vol 06.01.5Available from Standardization Documents Order Desk,Bldg.4 Sec
14、tion D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.6Gardner Model AG8100,available from Byk-Gardner,Inc.,Gardner Labora-tory,2435 Linden Ln.,Silver Spring,MD 20910,has been found suitable for thispurpose.7Triton X-100,available from Rohm and Haas Marketing Services,Indepen-dence Mall West,
15、Philadelphia,PA 19105,has been found suitable for this purpose.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTM5.14.3 Margarine,30 g,conforming to Fed.Spec.EE-0-451C,5.14.4 Mineral Oil,10 g,confor
16、ming to Fed.Spec.VV-0-551,and5.14.5 Lampblack,5 g,conforming to Specification D 209.6.Preparation of Panels6.1 Prepare three 612by 17-in(165 by 430-mm)steel panelsin accordance with Practice D 609.Spray a 0.5-mil(13-m)film of the lacquer primer and air dry for 24 h at normal roomtemperature.With the primer reduced 100%with the recom-mended thinner,one wet coat will give approximately 0.5 mil.6.2 Spray two coats of multicolor lacquer over the primerwith the atomization pressure adjusted to get co
