ASTM_D_2571_-_95.pdf

Designation:D 2571 95Standard Guide forTesting Wood Furniture Lacquers1This standard is issued under the fixed designation D 2571;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 Guide covers the evaluation of gloss or flatted,unpigmented lacquers designed for use on wood substrates.This Guide is to be used in conjunction with Test MethodsD 333.Also included are several methods of special relevanceto the application of lacquer on wood.The selection of the teststo be used for any given product or system must be governedby experience and by the requirements agreed upon by theproducer and user.1.2 The tests on films apply to those films applied insufficient quantity to form a continuous film.It is recom-mended that reports include the thickness of the film under test.1.3 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.1.4 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:D 235 Specification for Mineral Spirits(Petroleum Spirits)(Hydrocarbon Dry Cleaning Solvent)2D 1211 Test Method for Temperature-Change Resistance ofClear Nitrocellulose Lacquer Films Applied to Wood3D 1308 Test Method for Effect of Household Chemicals onClear and Pigmented Organic Finishes3D 1544 Test Method for Color of Transparent Liquids(Gardner Color Scale)4D 1644 Test Methods for Nonvolatile Content of Varnishes4D 2091 Test Method for Print Resistance of Lacquers3D 2199 Test Method for Measurement of Plasticizer Migra-tion from Vinyl Fabrics to Lacquers3D 3359 Test Methods for Measuring Adhesion by TapeTest4D 3459 Test Method for Humid-Dry Cycling for Coatingson Wood and Wood Products3G 23 Practice for Operating Light-Exposure Apparatus(Carbon-Arc Type)With and Without Water for Exposureof Nonmetallic Materials53.Summary of Guide3.1 This guide lists procedures for evaluating gloss or flattedunpigmented lacquers on production wood panels or wood testsubstrates.4.Significance and Use4.1 This guide is intended to compile as well as providescreening tests in evaluating wood furniture coatings both highgloss and flatted type,as used by the furniture industry.4.2 Results from these various tests are not necessarilyuseful in evaluating performance of all different types offurniture finishing systems.5.Test Panels and Panel Preparation5.1 Test panels should be regular production finish panels.5.2 If regular production finish panels are not available,theproducer and the user should agree on the substrate to be usedand on the complete finishing system.5.3 Test panels should be aged for seven days unlessotherwise designated to ensure complete dry or cure beforetesting.6.Nonvolatile Matter6.1 Test for nonvolatile matter in accordance with TestMethods D 1644,Test Method A.7.Self-Lifting Properties7.1 Apply a second coat after the first top-coat has beenapplied and air dried for 1,6,and 24 h.Report any tendency ofself-lifting.8.Color8.1 Test color of the liquid lacquer in accordance with TestMethod D 1544.9.Rubbing Properties9.1 In the absence of a specified procedure,air dry thelacquer 18 h,sand with No.320 W/D sandpaper wetted with1Precision and Bias This Guide is under the jurisdiction of ASTM CommitteeD-1 on Paint and Related Coatings,Materials,and Applications and is the directresponsibility of Subcommittee D01.52 on Factory-Coated Wood Products.Current edition approved Nov.10,1995.Published January 1996.Originallypublished as D 2571 67.Last previous edition D 2571 88.2Annual Book of ASTM Standards,Vol 06.04.3Annual Book of ASTM Standards,Vol 06.02.4Annual Book of ASTM Standards,Vol 06.01.5Annual Book of ASTM Standards,Vol 14.02.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTMmineral spirits,and then rub with 3-F pumice and paraffin oil(white mineral oil,U.S.P.heavy,or other suitable rubbingcompound).9.2 Examine the rubbed surface immediately and after 24 h,or the time agreed upon by the producer and the user,in astandard atmosphere,for example,73.5 6 3.5F(23 6 2C)and 50%relative humidity,and report any difference inappearance.10.Print Test10.1 Test for resistance to imprinting in accordance withTest Method D 2091.11.Cold Check Test11.1 Test for resistance to checking and cracking in accor-dance with Test Method D 1211 on a substrate agreed upon bythe producer and the user.Report any difference in appearance.12.Resistance to Oils,Greases,Cosmetics