ASTM F934-1996(2008) Standard Specification for Standard Colors for Polymer-Coated Chain Link Fence Materials《聚合物包覆的链环连接栅栏材料标准颜色用标准规范》.pdf

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ASTM F934-1996(2008) Standard Specification for Standard Colors for Polymer-Coated Chain Link Fence Materials《聚合物包覆的链环连接栅栏材料标准颜色用标准规范》.pdf_第1页
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1、Designation: F 934 96 (Reapproved 2008)Standard Specification forStandard Colors for Polymer-Coated Chain Link FenceMaterials1This standard is issued under the fixed designation F 934; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision

2、, the year of last revision. 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 specification covers standard colors for coatedchain link fence materials such as chain link fence

3、fabric,tension wire, posts, rails, gate frames, and fittings.2. Referenced Documents2.1 ASTM Standards:2D 1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD 2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumen

4、tally Measured ColorCoordinatesG90 Practice for Performing Accelerated Outdoor Weath-ering of Nonmetallic Materials Using Concentrated Natu-ral Sunlight3. Color3.1 Unless otherwise stipulated by the purchaser, determinethe color in accordance with the standard contained in Table 1.3.2 Determine comp

5、liance with this requirement by com-parison of specimens of the coated materials to standard flatspecimens of fused film of approximately the thickness speci-fied for the coating to be applied to the materials, andmeasuring at least 112 by 112 in. 38 by 38 mm.3.3 Prepare standard flat specimens for

6、the evaluation ofcolor coating by duplicating the production process as nearly aspossible including temperature, particle size, etc.3.4 Determine the color of the standard flat specimens inaccordance with Test Method D 2244 and Practice D 1729.3.5 Do not allow the color of the specimens to vary more

7、than 6 Delta E when exposed to 500 000 Langleys acceleratedweathering operated in accordance with Practice G90 withboth day and night spray cycles.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users o

8、f this standard are expressly advised that determination of the validity of any such patent 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 fiv

9、e years andif not revised, either reapproved or withdrawn. Your comments are invited either 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 c

10、ommittee, which you may attend. If you feel that your comments have not received a fair hearing 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

11、 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).1This specification is under the j

12、urisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.40 on Chain Link Fence andWire Accessories.Current edition approved June 1, 2008. Published July 2008. Originally approvedin 1985. Last previous edition approved in 2003 as F 934 - 96(2003).2For reference

13、d 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 ASTM website.TABLE 1 Standard Polymer ColorsDark Green Olive Green Brown BlackL 28.61 32.10 27.76 22.30A 12.59 6.14 3.37 0.09B 1.95 3.00 4.28 0.85Delta/E 3.0 3.0 3.0 6.01Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.

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