SAE-J1545-2005.pdf
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1、 SURFACE VEHICLE RECOMMENDED PRACTICE (R) Instrumental Color Difference Measurement for Exterior Finishes, Textiles and Colored Trim SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report i
2、s entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE
3、 invites your written comments and suggestions. Copyright 2005 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the pr
4、ior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS: http:/www.sae.org Issued 1986-06 Revised 2005-07 Superseding J1545 JUN1986 J1545 REV. JUL2005 1. Scope The prac
5、tice applies to parts and materials used in vehicle manufacture which are intended to be acceptable color matches to a specified color standard. This practice is intended for use with parts or materials that are opaque or nearly so and does not apply to transparent materials. Materials covered by th
6、is practice include topcoat paint finishes, interior soft trim, interior and exterior hard trim, and exterior film. 1.1 Purpose The intent of this practice is to precisely specify procedures for instrumental color difference measurement of colored parts or colored materials incorporated in the manuf
7、acture of vehicles. The recommended practice provides a consistent engineering practice for determination of color difference, for numerical communication of color difference, and for determination of acceptance or rejection compared to numerical tolerances. The practice is intended for use as a spe
8、cification and means of communication for color part acceptance in a buyer-seller agreement. 1.2 Rationale The Color Difference Committee was formed under the auspices of the Detroit Colour Council to develop a test method for instrumental color approval of parts and materials supplied for vehicle m
9、anufacture. Since the Detroit Colour Council does not generally engage in technical committee projects or standardization activities, the Color Difference Committee became a joint project of the Detroit Colour Council and SAE. This standard was first issued in 1986. The current revision was issued i
10、n 2004. 2. References 2.1 Applicable Publications NOTEThe following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE, ASTM, AATCC, CIE and DIN publications shall apply. CIE publications are available from the USNC-CIE,
11、 c/o TLA-Lighting Consultants, Inc., 7 Pond Street, Salem, MA 01970-4819. SAE J1545 Revised JUL2005 - 2 - 2.1.1 ASTM E 284Standard Definitions of Terms Relating to Appearance of Materials available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428- 2959. 2.1.2
12、Commission International de lclairage, International Lighting Vocabulary, Bureau Central de la CIE, Paris, 1987, 4 th ed., Publication CIE No. 17.4 1987. 2.1.3 ASTM E 105Standard Practice Probability Sampling of Materials available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Co
13、nshohocken, PA 19428-2959. 2.1.4 Commission International de lclairage, Colorimetry, Second Edition, Bureau Central de la CIE, Paris, 1986 Corrected Reprint 1996, Publication CIE No. 15.2 (1986). 2.1.5 Commission International de lclairage, Improvement to Industrial Colour-Difference Evaluation, Pub
14、lication CIE No. 142 (2001). 2.1.6 ASTM D 1729Standard Practice for the Visual Evaluation of Color Differences of Opaque Materials available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. 2.1.7 One source for color performance standards is British Cera
15、mic Research Association Instrument Performance Standards available from Hemmendinger Color Lab, 438 Wendover Drive, Princeton, NJ 08540. 2.1.8 One source for external verification is the Color and Appearance Proficiency Testing service available from Collaborative Testing Services, 8343-A Greensbor
16、o Dr., McLean, VA 22102. 2.1.9 F. J. J. Clarke, R. McDonald, B. Rigg. “Modifications to the JPC 79 Colour-difference Formula”, J. Soc. Dyers and Colourists, 100, 128-132 (1984). 2.1.10 “Farbtoleranzen fr Automobillackierungen, Teil 2: Effektlackierungen“ (Tolerances for automotive paints, Part 2: Go
17、niochromatic paints), DIN 6175, Deutsches Institut fr Normung e.V., Berlin. 2.1.11 AATCC Evaluation Procedure 6, Instrumental Measurement of Textiles, AATCC Technical Manual available from American Association of Textile Chemists and Colorists, P. O. Box 12215, Research Triangle Park, NC 27709. 2.1.
18、12 Billmeyer and Saltzmans Principles of Color Technology, 3 rd Ed. by Roy S. Berns, Wiley- Interscience, New York, 2000. 2.1.13 ASTM D 2244Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates available from ASTM International, 10
19、0 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. 2.1.14 ASTM E 2194Standard Practice for Multiangle Color Measurement of Metal Flake Pigmented Materials available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. -,-,- SAE J1545 Revised
20、 JUL2005 - 3 - 2.2 Related Publications 2.2.1 ASTM Committee E-12ASTM Standards on Color and Appearance Measurement, 6 th Edition, 2000 available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. 2.2.2 ASTM D 3134Standard Practice for Establishing Color a
21、nd Gloss Tolerances available from ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428- 2959. 2.2.3 R. W. Harold, K. Loughrey, T. Mabon, “Benefits of the Sample Averaging Technique,” Hunterlab Application Notes, 4 No. 3, March 21, 1985. 2.2.4 Wolfgang Budde, “The Glos
22、s Trap in Diffuse Reflectance Measurements,” Color Research and Application 5, 73-75 (1980). 2.2.5 Strocka and Brockes, “Comparison of the CIE (1931) 2 and the CIE (1964) 10 Colorimetric Standard Observer with Individual Observers in the Assessment of Metameric Matches,” Proc. Intern. Color Meeting,
23、 Color 69, Stockholm 1969, Vol. 2, pp 785-793. 3. Definitions NOTEExcept for terms specifically defined in this document, terminology used in this report follows the definitions reported by ASTM (see reference 2.1.1) and the Commission International de lclairage (see reference 2.1.2). 3.1 Product, L
24、ot, Sample, Specimen, Reading, Measurement 3.1.1 PRODUCT A product is the group of all parts or material having the same color, composition and physical form. 3.1.2 LOT A lot is the customary unit of production of a product comprising one or more individual product units. For example, a lot of plast
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