1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 28 Revised Updated and renumbered 1991 03 01 EP00E1089482000 Released C. Dittebrandt Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION, ZIN
2、C, ALKALINE CLEANER ESK-M5B390-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 spray phosphate coating equipment
3、s. 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 P205 19.5 +/- 2.0 % Carbonate as CO3 23.5 +/- 2.0 % Total Al
4、kalinity as Na20 38.0 +/- 2.0 % Silicate as SiO2 2.8 +/- 0.5 % Titanium as TiO2 0.06 +/- 0.015 % 3.3 TITRATION 9.5 +/- 1.0 mL Titrate 10 mL of the 1 % by volume solution with 0.1 n sulfuric acid (H2SO4). Use bromocresol green indicator. 3.4 pH VALUE 1 % SOLUTION BY WEIGHT AT 20 C 10.1 +/- 1.0 3.5 SU
5、RFACE TENSION 33 +/- 5 mN/m ENGINEERING MATERIAL SPECIFICATION ESK-M5B390-A Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 4. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 The phosphate system
6、 released by this specification consists of the following materials: 4.1.1 Phosphate Solution, Zinc, Make Up ESK-M5B338-A 4.1.2 Phosphate Solution, Zinc, Start Up ESK-M5B337-A 4.1.3 Phosphate Solution, Zinc, Accelerator S-M5B4509-A 4.1.4 Phosphate Solution, Zinc, Passivating Solution SK-M5B9574-A or ESK-M5B326-A 4.1.5 Phosphate Solution, Zinc, pH-Correction Agent SK-M5B9574-B 4.1.6 Phosphate Solution, Zinc, Activating Agent ESK-M5B327-A
