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ASTM_D_3206_-_17.pdf

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1、Designation:D320617Standard Test Method forSoil Resistance of Floor Polishes1This standard is issued under the fixed designation D3206;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

2、indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination of soil resis-tance of floor polishes on test tile only.A carpet covered rolleris used to simulate the action of foot t

3、raffic.A synthetic soil isemployed in conjunction with the roller.1.2 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 applic

4、a-bility of regulatory limitations prior to use.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by th

5、e World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1436 Test Methods for Application of Emulsion FloorPolishes to Substrates for Testing PurposesD3153 Test Method for Recoatability of Water-EmulsionFloor PolishesE97 Method of Test for Direc

6、tional Reflectance Factor,45-Deg 0-Deg,of Opaque Specimens by Broad-BandFilter Reflectometry(Withdrawn 1991)33.Significance and Use3.1 This test method measures the ability of a floor polish toresist soiling by a standard soil that approximates dirt carried infrom the outside.4.Apparatus4.1 Offcial

7、Vinyl Composition Tile(OVCT)4white,304.8by 304.8 mm(12 by 12 in.).4.2 Washability ApparatusThe Gardner straight linewashability machine.4.3 Roller.44.4 Carpeting.54.5 Standard Soiling CompoundA soiling compound,such as AATCC(American Association of Textile Colorist andChemist)synthetic soil formula.

8、64.6 Reflectometer,equipped with a search unit for measur-ing diffused reflectance and a green filter.4.7 Pipet,2 mL.5.Procedure5.1 Clean the test tile in accordance with Test MethodD3153,paragraph 9.1.2.Rinse well and allow to dry.Apply 2mL of polish by following Method B of Test Methods D1436.Afte

9、r 3 h,apply a second coat,also 2 mL.Age the tiles for 48h at room temperature.5.2 Sprinkle carefully,as evenly as possible,exactly 2 g ofsoil across that portion of the tile over which the roller willtrack.Run the machine for 300 cycles(600 passes).During thecycling,it may be necessary to occasional

10、ly brush the soil backonto the track as it will be scattered by the motion of the roller.At the end of the test,wipe the surface with tissue to removeany loose soil.Wipe firmly,but do not bear down.NOTE1Before new carpeting on the roller is used for the first time,itshould be“broken in”by running ov

11、er a blank tile with approximately 4g of soil for 500 or more cycles.1This test method is under the jurisdiction ofASTM Committee D21 on Polishesand is the direct responsibility of Subcommittee D21.04 on Performance TestsCurrent edition approved March 1,2017.Published April 2017.Originallyapproved i

12、n 1973.Last previous edition approved in 2015 as D3206 08(2015).DOI:10.1520/D3206-17.2For 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

13、onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4OVCT tile may be obtained through Armstrong Flooring from various homeimprovement stores.The following Armstrong tile substrates have been found toperform adequately for this test method:Armstrong

14、 Excelon Feature Tile:Chalk II(56830),http:/ tight weave short pile carpet from local store.6Prepared soils are available from Textile Innovations Corporation,P.O.Box 8,Windsor NC 27983 or SDL Atlas Textile Testing Solutions:SDL Atlas LLC,3934Airway Drive,Rock Hill,SC 29732.Copyright ASTM Internatio

15、nal,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and

16、Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 6.Evaluation of Results6.1 Measure 45-deg,0-deg directional(diffuse)luminous(green filter)reflectance with instrument of type specified inTest Method E97.Set the clean tile,with two coats of polish,at 100 with the green filter.After the test,take five readings andaverage.7.Calculation and Report7.1 Calculate the quantitative degree of soiling as follows:P 5 1002 A(1)where:P=percentage of soiling,an

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