1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 27 Revised Updated and renumbered 1988 06 15 SM/EQ 4331 TP Release Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION, ZINC, START UP ESK-M5
2、B376-A 1. SCOPE The material defined by this specification is an aqueous solution containing essentially zinc phosphate. 2. APPLICATION This specification was released originally for material used as start up material in dip phosphate equipment. This material is used in combination with ESK-M5B338-A
3、 Phosphate Solution Zinc, Make Up, ESK-M5B327-A Phosphate Solution, Zinc, Activator and S-M5B4509-A Phosphate Solution, Zinc, Accelerator. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For P
4、roduction Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION Zinc as Zn 2.5 +/- 0.3 % Nickel as Ni 1.7 +/- 0.3 % Phosphate as P20225.0 +/- 3.0 % Nitrate as NO33.6 +/- 0.3 % Manganese as Mn 1.7 +/- 0.3 % 3.3 TITRATION 31.7 +/- 2.0 mL Titrate 10 mL of a 6 % solution by weight with 0.1n sodium hydrox
5、ide (NaOH). Indicator: phenolphthalein 3.4 DENSITY AT 20 C 1.42 +/- 0.04 kg/L (FLTM EU-BI 2-2) ENGINEERING MATERIAL SPECIFICATION ESK-M5B376-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
6、 meeting the requirements of this specification. 4.1 The phosphate system released by this specification consists of the following materials: 4.1.1 Phosphate Solution, Zinc, Alkaline Cleaner SK-M5B9604-A 4.1.2 Phosphate Solution, Zinc, Cleaner Additive SK-M5B9608-A 4.1.3 Phosphate Solution, Zinc, Make Up ESK-M5B338-A 4.1.4 Phosphate Solution, Zinc, Activator ESK-M5B327-A 4.1.5 Phosphate Solution, Zinc, Accelerator S-M5B4509-A 4.1.6 Phosphate Solution, Zinc, Passivating Solution ESK-M5B326-A 4.1.7 Phosphate Solution, Zinc, Sludge Conditioner SK-M5B9607-A
