1、Designation:D410317Standard Practice forPreparation of Substrate Surfaces for Coefficient of FrictionTesting1This standard is issued under the fixed designation D4103;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last r
2、evision.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 practice covers procedures for the preparation ofOVCT(Official Vinyl Composition Tile)and wood panels forsubsequent use in t
3、ests to measure the coefficient of friction.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 applica-bility of regulatory
4、 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 the World Trade Organiza
5、tion TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1436 Test Methods for Application of Emulsion FloorPolishes to Substrates for Testing Purposes3.Significance and Use3.1 The reliability of any of the practices using panelsprepared by these procedures may be dep
6、endent upon themanner and care in which the test panels are prepared.Havingthese practices in a single procedure eliminates the necessityfor covering these details in all of the practices wherein thepanels are used.4.Test Panels(OVCT)4.1 Preparation of OVCT for Testing Emulsion FloorPolishesFor inte
7、rlaboratory and specification testing,tiles ofOVCT shall be used.3The tiles are prepared for use as follows:4.1.1 Thoroughly scrub all tiles using No.00 steel wool andany suitable aqueous type wax remover or stripper.Scrub hardto help smooth out high and low spots on the tile.Rinse wellwith clear wa
8、ter,towel dry,and air dry for 15 to 30 min in arack that allows air to reach both sides of the tile.4.1.2 Apply two coats of any suitable floor polish using anymethod as prescribed in Section 5.Allow to dry 2 h betweencoats and a minimum of an overnight dry(15 to 16 h)after thesecond coat.4.1.3 The
9、next day,strip off all the polish from the tilesfollowing the procedure used in 4.1.1.4.1.4 Repeat the coating(4.1.2)and stripping(4.1.1)opera-tions four more times.A total of ten coats of polish will thenhave been applied and removed.NOTE1These tiles may be used and reused for testing many timesaft
10、er having been prepared once in accordance with 4.1.1 4.1.4.Tilesshould be discarded when they show excessive wear or when erraticresults are obtained when used with testing devices.At least 25 tests canbe run before this will be noticed.4.1.5 When scrubbing the tiles it is often found that theybeco
11、me distorted and are no longer flat.Any of the devicesused for measuring coefficient of friction will give poorreproducibility if the tiles are not flat.Therefore,it is recom-mended that the tiles be flattened prior to coating for a test.Thefollowing procedure is suggested:4.1.5.1 Strip the tiles of
12、 any previous polish using theprocedure given in 4.1.1.(If the procedures 4.1.1 4.1.4 havebeen followed exactly,this should not be necessary.)Rinsewell with clear water,towel dry,and air dry for 15 to 30 minin a rack that allows air to reach both sides of the tile.1This practice is under the jurisdi
13、ction of ASTM Committee D21 on Polishesand is the direct responsibility of Subcommittee D21.06 on Slip Resistance.Current edition approved March 1,2017.Published April 2017.Originallyapproved in 1982.Last previous edition approved in 2016 as D4103 90(2016).DOI:10.1520/D4103-17.2For referenced ASTM s
14、tandards,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 onthe ASTM website.3OVCT tile may be obtained through Armstrong Flooring from various homeimprovement store
15、s.The following Armstrong tile substrates have been found toperform adequately for this test method:Armstrong Excelon Feature Tile:Black(56790),http:/ ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accord
16、ance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.5.2 Pile the tiles face to face and back to back on a pieceof glass slightly larger than the tiles.4.1.5.3 Place the tiles on the glass in an oven at 105 to 115F(40.6 to 46.1C)for 2 to 212h.4.1.5.4 Remove the entire pile from the o
