1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 28 Revised Updated and renumbered 2000 07 14 Added A6 N. Chamberlain/A. Reilly 1997 11 21 Activated N. Chamberlain Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies
2、 Inc. PHOSPHATE SOLUTION, ZINC, MAKE-UP MANGANESE WSS-M3B72-A1 PHOSPHATE SOLUTION, ZINC, MAKE-UP NICKEL WSS-M3B72-A2 PHOSPHATE SOLUTION, ZINC, MAKE-UP ZINC WSS-M3B72-A3 PHOSPHATE SOLUTION, ZINC, MAKE-UP FLUORIDE WSS-M3B72-A4 PHOSPHATE SOLUTION, ZINC, MAKE-UP IRON WSS-M3B72-A5 PHOSPHATE SOLUTION, ZI
3、NC, MAKE-UP COPPER WSS-M3B72-A6 1. SCOPE The materials defined by these specifications are aqueous solutions containing key metal constituents for the phosphate bath. 2. APPLICATION These specifications were released originally for materials used as make-up materials in the dip phosphate bath when t
4、he metal level in the bath needs to be raised. 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 COMPOSITION Supplier must maintain the following c
5、haracteristics to a maximum tolerance of +/- 5 % of the initial sample or as reported with the initial sample. All other essential components must be reported with the initial sample and maintained as part of the Control Plan. 3.2.1 Chemical Composition WSS-M3B72-A1 Manganese Initial Sample +/- 5 %
6、WSS-M3B72-A2 Nickel Initial Sample +/- 5 % WSS-M3B72-A3 Zinc Initial Sample +/- 5 % ENGINEERING MATERIAL SPECIFICATION WSS-M3B72-A1/A6 Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. WSS-M3B72-A4 Fluoride Initial Sample +/- 5 % WSS-M3B72-A5 Iron Initial Sample +/- 5 % WSS-M3B72-A6 Initial
7、 Sample Copper +/- 5 % 3.3 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. 3.4 MATERIAL COMPATIBILITY The material must be compatible with all related material
8、s, i.e., electrocoats, sealers, and adhesives. The supplier of this material shall keep abreast of changes in technology of related materials which may affect the compatibility and performance of this product. The supplier shall notify the appropriate Ford Product Materials Engineering Office in writing when incompatibility is anticipated.
