ASTM D711-1989(2004) Standard Test Method for No-Pick-Up Time of Traffic Paint《路标漆不粘着时间的试验方法》.pdf

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1、Designation: D 711 89 (Reapproved 2004)Standard Test Method forNo-Pick-Up Time of Traffic Paint1This standard is issued under the fixed designation D 711; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A

2、 number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This test method covers a laboratory test for determ

3、iningthe no-pick-up time of a traffic paint by a rubber wheel.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is t

4、heresponsibility 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:2D 2000 Classification System for Rubber Products in Auto-motive Applications3. Signif

5、icance and Use3.1 This test method serves as a control test and should beused only as such. There is no direct correlation between theresults of this test and field applications.4. Apparatus4.1 The apparatus3as shown in Fig. 1 shall consist of a steelcylinder of the shape and dimensions as indicated

6、, fitted withtwo replaceable O-rings and a ramp of shape and dimensions asshown.4.2 The detailed dimensional requirements of the steelcylinder are given in Fig. 1. The total weight of the assemblycomplete with O-rings shall be 5386 6 28 g (11 lb 14 oz 6 1oz).4.3 The detailed dimensional requirements

7、 of the ramp areshown in Fig. 1.4.4 The replaceable O-rings shall be made of syntheticrubber or rubber-like material meeting the requirements of HK715 of Specification D 2000.4.5 The dimensional requirements of the O-ring are asfollows:Outside diameter 104 mm (418 in.)Inside diameter 85 mm (338 in.)

8、Cross section 9.5 mm (38 in.)5. Procedure5.1 Prepare a test stripe at least 3 in. (75 mm) in width of thepaint to be tested by a mechanical spreader, or other suitablemeans on a clean plate glass panel at a wet film thickness of 156 0.5 mils. (Use a plate glass panel approximately 100 by 200by3mm(4b

9、y8by18 in.).5.1.1 Record the time of application. Allow the panel to dryin a horizontal position under the laboratory conditions speci-fied (23 6 2C (73.5 6 3.5F) and 50 6 5 % relativehumidity).5.1.2 Test the paints used with drop-in beads without beadsunless otherwise specified or agreed upon betwe

10、en the pur-chaser and the seller.5.2 Butt the glass plate against the ramp.At regular intervalsremove the wheel from its rest, hold against the rest as astarting point, then free roll the weighted wheel down theinclined ramp and over the paint film with each roll of thewheel over a new wheel path. P

11、osition the wheel properly sothat a clean surface of the wheel will come into contact with thepaint film. As many as three passes of the wheel can be madebefore the wheel needs to be cleaned. This can be done with arag saturated with acetone. It is best to set aside the wheel afterwashing until all

12、the solvent has evaporated.1This test method is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings, Materials, and Applications and is the direct responsibility ofSubcommittee D01.44 on Traffic Coatings.Current edition approved June 1, 2004. Published June 2004. Originallyappr

13、oved in 1943. Last previous edition approved in 1998 as D 711 89 (1998).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 onthe AS

14、TM website.3An apparatus meeting the requirements is available from Paul N. Gardner Co.,Inc., 316 NE 1st Street., Pompano Beach, FL 33060.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.3 Note the end point for no-pick-up time when

15、 no paintadheres to the rubber rings of the test wheel when it is rolledover the paint film. As the end point is approached, roll theweighted wheel over the paint film every 30 s.6. Report6.1 Report the time elapsed between application of the paintand the end point as the drying time for no-pick-up

16、of the trafficpaint.7. Precision and Bias7.1 PrecisionBecause of the poor precision of this testmethod, if it is used in a specification, the maximum deviationfrom the maximum no-pick-up time specified should be agreedupon between the purchaser and the seller.7.2 BiasBias cannot be determined.8. Key

17、words8.1 auto no-track time; drying time; traffic paintASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent

18、rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either

19、for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hear

20、ing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).FIG. 1 Traffic Paint Drying Time Wheel and RampDual ModelD 711 89 (2004)2