1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 11 07 Activated L. Rodrigues Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 2 PHOSPHATE SOLUTION, CLEANER WSS-M5B422-A 1. SCOPE The material defined by this specification is a cleaner used before m
2、anganese phosphate solution in dip bath. 2. APPLICATION This specification was released originally for South America for material used as manganese iron phosphate coating for gear box, with no Hexavalent Chromium (Cr+6), that will provide a reduction in wear during the initial breaking-in period, an
3、d is not intended for anticorrosion or fastener applications. However, parts coated according to this specification may be oiled to prevent corrosion during shipment. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys
4、 Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION Sulfuric Acid (Sodium hydroxide 0.5N) 32 +/- 3% Indicator: Phenolphthalein, 1% 3.3 ACIDITY Total Acidity (Sodium hydroxide 0.1N) 39 +/- 2 mL Indicator: Phenolphthalein, 1% 3.4 PROPERTIES Color (visual) Colorle
5、ss Aspect (visual) Liquid Density at 20 C (ASTM D 1475) 1.23 +/- 0.02 g/mL pH at 20 C (glass combination pH electrode) 3.0 3.5 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
6、 of WSS-M3P37-A. ENGINEERING MATERIAL SPECIFICATIONWSS-M5B422-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 2 3.6 MATERIAL COMPATIBILITY The material must be compatible with all related materials in the process, i.e., metal parts, degreases and protective
7、oils. 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.
8、 3.7 QUALITY CONTROL A quality control plan must be agreed with Ford Product Materials Engineering as part of approval process. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. The scope of batch release report should be agreed with materials engineering.
