1、Designation:D320792(Reapproved 2008)Standard Test Method forDetergent Resistance of Floor Polish Films1This standard is issued under the fixed designation D3207;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revisio
2、n.A 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 test method covers a bench procedure for measur-ing the detergent resistance properties of floor polishes.1.2 This standard does n
3、ot 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:2
4、D1436 Test Methods for Application of Emulsion FloorPolishes to Substrates for Testing Purposes3.Significance and Use3.1 This test method is used to determine the relativeresistance of floor polishes to detergent scrubbing using theGardner Straight Line Washability Meter and to separatepolishes with
5、 poor detergent resistance from those with gooddetergent resistance.Results are duplicative between laborato-ries.4.Apparatus4.1 Washability ApparatusThe Gardner straight linewashability machine.34.2 ApplicatorDoctor blade,50 mm(2-in.)wide andhaving a 0.203-mm(0.008-in.)clearance along the bottomedg
6、e(see Test Methods D1436).4.3 Test Flooring SubstratesOfficial Vinyl CompositionTile(OVCT),4Black,304.8 by 304.8 mm(12 by 12 in.).4.4 Volumetric PipetA 1-mL pipet graduated in 0.2-mLunits.4.5 Hog Bristle BrushAluminum block,89 by 38-mm(312by 112-in.)hog bristle brush with 19-mm(34-in.)bristles.Soak
7、in detergent solution(see 5.1)for a minimum of 1 h priorto test.4.6 Cellulose SpongeCut to fit the Gardner brush holder.The sponge is to be used for household floor polishes only.5.Reagent5.1 Detergent Solution at Use Concentration:Tetrasodium pyrophosphate(TSPP)0.25%Tetrapotassium pyrophosphate(TKP
8、P)0.25%Octyl phenol+10 moles ethylene oxide(OPE10)0.38%Sodium hydroxide0.03%Surfactant QS44(80%)5or equivalent0.15%Distilled or deionized water98.94%6.Sample6.1 The sample used for test purposes shall be completelyrepresentative of the material in question.7.Procedure7.1 Preparation of Test SurfaceC
9、lean the test tiles with agood polish stripper and steel wool.Rinse thoroughly withwater and dry at room temperature.7.2 Floor Finish ApplicationApply in duplicate as shownin the template in 6.3,0.8 mL of test polish A to a 2 by 8-in.section of OVCT(tile must be level to obtain uniform filmthickness
10、).Apply in a similar fashion duplicate samples ofpreferably a control floor polish B(a second test polish can be1This test method is under the jurisdiction ofASTM Committee D21 on Polishesand is the direct responsibility of Subcommittee D21.04 on Performance Tests.Current edition approved March 1,20
11、08.Published April 2008.Originallyapproved in 1973.Last previous edition approved in 2002 as D3207 92(2002).DOI:10.1520/D3207-92R08.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume informatio
12、n,refer to the standards Document Summary page onthe ASTM website.3The sole source of supply of the apparatus known to the committee at this timeis Gardner Laboratory,Inc.,P.O.Box 5758,Bethesda,MD.If you are aware ofalternative suppliers,please provide this information to ASTM Headquarters.Yourcomme
13、nts will receive careful consideration at a meeting of the responsibletechnical committee,which you may attend.4The sole source of supply of the apparatus known to the committee at this timeis Chemical Specialties Manufacturers Assn.,1913 Eye St.,NW,Washington,DC20006.If you are aware of alternative
14、 suppliers,please provide this information toASTM Headquarters.Your comments will receive careful consideration at a meetingof the responsible technical committee,which you may attend.5The sole source of supply of the apparatus known to the committee at this timeis Union Carbide,39 Old Ridgebury Rd.
15、,Danbury,CT 06817-0001.If you areaware of alternative suppliers,please provide this information to ASTM Headquar-ters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.Copyright ASTM International,100 Barr Harbor Drive,PO Box C70
16、0,West Conshohocken,PA 19428-2959.United States1 used if desired).Let dry for 24 h at 22.8 6 2C(73.4 6 3.6F)and 50 6 5%relative humidity.7.3 Template for Polish ApplicationSee Fig.1.7.4 Detergent ResistancePlace the conditioned coated testpanel on the plate of the washability apparatus in such amanner that the oscillating brush(sponge)will travel at rightangles to the longer side of the dried polish film near the top ofpolish film.Place a clean dummy panel on either side of thetest panel to hold
