1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 27 Revised Updated and renumbered 1989 08 31 SM/EQ 7118 TP Release concurred: J. Schult Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION,
2、ZINC ALKALINE CLEANER ESK-M5B384-A 1. SCOPE The material defined by this specification is an alkaline cleaner. 2. APPLICATION This specification was released originally for material used as an aqueous cleaning solution for bodies in white in dip and spray phosphating equipments. 3. REQUIREMENTS 3.1
3、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 CHEMICAL COMPOSITION Phosphate as P205 107.0 - 131.0 g/L Nitrite as NO26.3 - 12.3 g/L Wetting Agents 113.0 - 153.0 g/
4、L 3.3 pH-VALUE 9.4 - 10.4 (10 g/L solution at 20 C) 3.4 TITRATION 12.2 - 14.2 mL Titrate 10 mL of a 60 g/L dilution with 0.1n sulfuric acid (H2SO4). Indicator: methyl orange 3.5 DENSITY 1.31 - 1.37 g/cm3(ASTM D 1475) 3.6 SURFACE TENSION 28 - 38 mN/m (of a 60 g/L solution) ENGINEERING MATERIAL SPECIF
5、ICATION ESK-M5B384-A Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 The phosphate system released by this specification consists of the f
6、ollowing materials: 4.1.1 Phosphate Solution, Zinc, Accelerator ESK-M5B383-A 4.1.2 Phosphate Solution, Zinc, Start Up ESK-M5B376-A 4.1.3 Phosphate Solution, Zinc, Make Up ESK-M5B338-A 4.1.4 Phosphate Solution, Zinc, Accelerator S-M5B4509-A 4.1.5 Phosphate Solution, Zinc, Neutralizing Agent (optional) S-M5B4508-A 4.1.6 Phosphate Solution, Zinc, Activating Agent ESK-M5B327-A 4.1.7 Phosphate Solution, Zinc, Sludge Conditioner SK-M5B9607-A 4.1.8 Phosphate Solution, Zinc, Passivating Solution ESK-M5B326-A
