1、Designation:D5069/D5069M13Standard Practice forPreparation of Paint-Roller Covers for Evaluation ofArchitectural Coatings1This standard is issued under the fixed designation D5069/D5069M;the number immediately following the designation indicates theyear of original adoption or,in the case of revisio
2、n,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice covers the preparation or breaking-in ofpaint-roller covers for evaluation.1.2 This practice is
3、 applicable to paint-roller covers havingnap lengths up to 13 mm 12in.Longer pile rollers can beadapted.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be use
4、d independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.4 This standard does not purport to address the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety andhea
5、lth practices and determine the applicability of regulatorylimitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D3924 Specification for Environment for Conditioning andTesting Paint,Varnish,Lacquer,and Related Materials3.Summary of Practice3.1 Using the paint chosen for the evaluation,
6、the paint-roller cover to be tested is repeatedly and generously loadedwith paint and painted out over the same area until it issaturated with paint,that is,the paint-roller cover cannot pickup any more paint,nor apply any more paint to the area beingused for break-in.4.Significance and Use4.1 Until
7、 a paint-roller cover is saturated with paint,onlypart of the paint loaded onto the paint-roller cover can betransferred to a surface being painted.The remainder of thepaint is absorbed into the fabric of the paint-roller cover.Theamount of paint absorbed by a paint-roller cover is inverselyproporti
8、onal to the amount already present within the paint-roller cover.By saturating the paint-roller cover before testing,quantitative inaccuracies of the amount of paint delivered to asurface are eliminated.4.1.1 Using a saturated paint-roller cover enables the user toapply paint at controllable spreadi
9、ng rates.4.1.2 Usingasaturatedpaint-rollercoveraffordsreproducibility,when repeating a test.5.Apparatus5.1 Paint Tray.5.2 Paint Roller Frame,of the same size as the paint-rollercover being prepared.6.Materials6.1 Paint,to be used in test.6.2 Primed or Smooth Surface,to be used for the roller-cover b
10、reak-in.7.Procedure7.1 All tests are to be conducted in an atmosphere having atemperature of 23 6 2C 73.5 6 3.5F and a relativehumidity of 50 6 5%(see Specification D3924).7.2 Place the paint-roller cover on the frame.7.3 Load the cover/frame with paint thoroughly working thecover back and forth(use
11、 roll off area and slowly work into thepool of paint)a minimum of 20 back and forth strokes until thecover is uniformly loaded.The cover may require hand rotationto achieve a uniform loading.See Fig.1.7.4 Roll out the roller cover on the surface being used forbreak-in in an upward and downward motio
12、n in no larger anarea than 1.22 m 4 ft high by the width of the roller cover.1This practice is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.61 on Paint Application Tools.Current edition approv
13、ed Nov.1,2013.Published January 2014.Originallyapproved in 1990.Last previous edition approved in 2007 as D5069 07.DOI:10.1520/D5069_D5069M-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume
14、 information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.5 Reload the paint-roller cover with paint and roll out inthe same manner over the same area.Do not increase th
15、e areaexcept as necessary to control excess dripping of paint.7.6 Repeat the above procedure as necessary until thefollowing conditions are met:7.6.1 Each loading of the roller cover results are within 10g.35274 oz of each other.7.6.2 There is so much paint on the surface being used thatthe fully lo
16、aded paint-roller cover cannot transfer any morepaint to the surface.7.6.3 When the above conditions are met,there will be somuch paint on the roller cover that constant movement(turningover)is necessary to prevent dripping,and the panel will showprofuse sagging of the paint.About six roller-cover loadingsare usually necessary to achieve this.7.7 The roller cover is now prepared for immediate testing.8.Keywords8.1 break-in;paint roller;paintroller cover;roller;testpreparationASTM International t
