1、Designation: F934 96 (Reapproved 2017)Standard Specification forStandard Colors for Polymer-Coated Chain Link FenceMaterials1This standard is issued under the fixed designation F934; the number immediately following the designation indicates the year of originaladoption or, in the case of revision,
2、the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () 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 fa
3、bric,tension wire, posts, rails, gate frames, and fittings.1.2 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
4、issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD2244 Practice for Calculation of Color Tolerances andColor Differe
5、nces from Instrumentally Measured ColorCoordinatesG90 Practice for Performing Accelerated Outdoor Weather-ing of Nonmetallic Materials Using Concentrated NaturalSunlight3. Color3.1 Unless otherwise stipulated by the purchaser, determinethe color in accordance with the standard contained in Table 1.3
6、2 Determine compliance 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
7、flat specimens for 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 D2244 and Practice D1729.3.5 Do not allow the color of the speci
8、mens to vary morethan 6 Delta E when exposed to 500 000 Langleys acceleratedweathering operated in accordance with Practice G90 with bothday and night spray cycles.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 0.85Del
9、ta/E 3.0 3.0 3.0 6.0ASTM 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 rights, and the riskof infringement
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14、http:/ specification is under the jurisdiction 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, 2017. Published July 2017. Originally approvedin 1985. Last previous edition approved in 2013
15、 as F934 - 96(2013). DOI:10.1520/F0934-96R17.2For 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 ASTM website.Copyright ASTM I
16、nternational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance 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
