1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 10 17 Revised ESK-M5B391-A1 Deleted 3.2 & 3.3 R. Lord2002 07 24 Revised Removed ESK-M5B391-A4, Updated & Renumbered B. Xu 1991 06 03 Released EP00E01089485000 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC P
2、age 1 of 2 PHOSPHATE SOLUTION, ZINC, PASSIVATING ESK-M5B391-A3 SOLUTIONS, PH CORRECTION 1. SCOPE The materials defined by this specification are a chrome-free passivating system. 2. APPLICATION This specification was released originally for materials used as a passivating solution for dip or spray z
3、inc 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). 3.4 ESK-M5B391-A3 3.4.1 Chemical Composition Ammonium bicarbonate as NH4HCO
4、3 100% 3.4.2 pH Value of a 10 g/L H2O 4.3 +/- 0.5 Solution at 20 C 3.4.3 Color White 3.4.4 Titration 18.5 +/- 1.0 mL Titrate 10 mL of a 1% by weight solution with 1N sodium hydroxide (NaOH). Indicator Phenolphthalein ENGINEERING MATERIAL SPECIFICATIONESK-M5B391-A3 Printed copies are uncontrolled Cop
5、yright 2006, Ford Global Technologies, LLC Page 2 of 2 4. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. The materials defined by this specification must be used with the following phosphate systems. 4.1 DIP P
6、HOSPHATE SYSTEM 4.1.1 Phosphate Solution, Zinc, Activator ESK-M5B373-A or SKM-5B9613-A 4.1.2 Phosphate Solution, Zinc, Precleaner ESK-M5B374-A 4.1.3 Phosphate Solution, Zinc, Alkaline ESK-M5B375-A Cleaner or ESK-M5B371-A 4.1.4 Phosphate Solution, Zinc, Activator ESK-M5B370-A 4.1.5 Phosphate Solution
7、 Zinc, Cleaner ESK-M5B358-A Additive 4.1.6 Phosphate Solution, Zinc, Start-up ESK-M5B368-A 4.1.7 Phosphate Solution, Zinc, Make-up ESK-M5B369-A 4.1.8 Phosphate Solution, Zinc, Accelerator S-M5B4514-A 4.1.9 Phosphate Solution, Zinc, Neutralizer S-M5B4513-A 4.1.10 Phosphate Solution, Zinc, Sludge ESK
8、M5B335-A Conditioner 4.2 SPRAY PHOSPHATE SYSTEM 4.2.1 Phosphate Solution, Zinc, Alkaline ESK-M5B355-A Cleaner 4.2.2 Phosphate Solution, Zinc, Start-up ESK-M5B351-A 4.2.3 Phosphate Solution, Zinc, Make-up ESK-M5B352-A 4.2.4 Phosphate Solution, Zinc, Accelerator ESK-M5B353-A Additive 4.2.5 Phosphate Solution, Zinc, Accelerator ESK-M5B354-A
