1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 26 Revised Updated and renumbered 1991 03 01 EP00E01089482000 Released C. Dittebrandt Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION, ZI
2、NC, ALKALINE CLEANER ESK-M5B389-A 1. SCOPE The material defined by this specification is an alkaline cleaner. It consists of biodegradable compounds in aqueous solution. 2. APPLICATION This specification was released originally for material used as a metal cleaner in dip or spray phosphate coating e
3、quipments. 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 CHEMICAL COMPOSITION Phosphate as P2056.1 +/- 1.0 % Potassium Hydroxide as KOH 12.5 +/
4、- 2.0 % Nitrite at NO21.8 +/- 0.5 % Total Alkalinity as Na20 10.4 +/- 2.0 % 3.3 TITRATION 3.1 +/- 0.5 mL Titrate 10 mL of the 1 % by volume solution with 0.1 n hydrochloric acid (HCl). Use bromocresol green indicator. 3.4 pH VALUE 1 % SOLUTION BY VOLUME AT 20 C 12.2 +/- 0.5 3.5 DENSITY AT 20 C 1.3 +
5、/- 0.2 g/L ENGINEERING MATERIAL SPECIFICATION ESK-M5B389-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 b
6、y this specification consists of the following materials: 4.1.1 Phosphate Solution, Zinc, Activator ESK-M5B373-A or SK-M5B9613-A 4.1.2 Phosphate Solution, Zinc, Precleaner ESK-M5B374-A 4.1.3 Phosphate Solution, Zinc, Activator ESK-M5B370-A 4.1.4 Phosphate Solution, Zinc, Cleaner Additive ESK-M5B358-
7、A 4.1.5 Phosphate Solution, Zinc, Start Up ESK-M5B368-A 4.1.6 Phosphate Solution, Zinc, Make Up ESK-M5B369-A 4.1.7 Phosphate Solution, Zinc, Accelerator S-M5B4514-A 4.1.8 Phosphate Solution, Zinc, Passivating Solution SK-M5B9580-A or S-M5B4518-A 4.1.9 Phosphate Solution, Zinc, pH Correction SK-M5B9580-A 4.1.10 Phosphate Solution, Zinc, Neutralizer S-M5B4513-A