1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 26 Revised Updated and renumbered 1996 12 12 Activated N Chamberlain Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION, ZINC, ORGANIC, WSS-
2、M5B406-A CHROME-FREE, PASSIVATING SOLUTION 1. SCOPE The materials defined by this specification are organic chrome-free post-treatment for zinc-manganese modified phosphate system. 2. APPLICATION This specification was released originally for materials used as a passivation solution for dip and spra
3、y zinc-manganese modified phosphate operations. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 MASS SPECTROSCOPY Ford Motor Company, at its opti
4、on, may conduct mass spectroscopy and/or other analysis of material/parts supplied to this specification. The results of the analyses established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall be the sam
5、e composition as the reference standard when tested under the same conditions. 3.3 MATERIAL COMPATIBILITY The supplier of this material shall keep abreast of changes in technology of related materials e.g., sealers and adhesives, which may affect the compatibility and performance of this product. Th
6、e supplier shall notify the appropriate Ford Product Materials Engineering Office in writing when incompatibility is anticipated. 3.4 COMPOSITION Supplier must maintain the following characteristics to a maximum tolerance of +/- 10 % of the initial sample or as reported with the initial sample. All
7、other essential components must be reported with the initial sample and maintained as part of the Control Plan as required in para 3.1. ENGINEERING MATERIAL SPECIFICATION WSS-M5B406-A Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 3.4.1 Chemical Composition Organic Resins in Aqueous Solu
8、tion 3.4.2 Density, kg/L at 25 C Initial Sample (ASTM D 1475) +/- 0.05 3.4.3 pH Value of a 300g/L H2O Solution at 20 C Initial Sample +/- 1.5 3.6 RESISTANCE PROPERTIES The material defined by this specification must be used with a phosphate system and in conjunction with the phosphate system must meet the requirements of WSS-M3P1-D. 3.7 COMPATIBILITY The material must be compatible with all related materials, i.e., electrocoats and topcoats.
