1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 26 Revised Updated and renumbered 1987 12 18 SM/EQ 1579 TP Release C. Herriott Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. PHOSPHATE SOLUTION, ZINC, PRE
2、CLEANER ESK-M5B374-A 1. SCOPE The material defined by this specification is a metal precleaner. 2. APPLICATION This specification was released originally for material of 35 % concentration in water used to clean metal prior to zinc phosphate operations. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR
3、PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION Organic Compounds 35.0 +/- 5.0 % Wetting Agents 10.5 +/- 2.5 % 3.3 pH VALUE 1 % SOLUTION BY VOLUME AT 20 C 8.4 +/- 1.0 3.4
4、 DENSITY 1.02 +/- 0.06 kg/L (FLTM EU-BI 2-2) 3.5 APPEARANCE clear, light-yellow liquid ENGINEERING MATERIAL SPECIFICATION ESK-M5B374-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
5、 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, Activator ESK-M5B373-A or SKM-5B9613-A 4.1.2 Phosphate Solution, Zinc, Alkaline Cleaner ESK-M5B375-A or ESK-M5B372-A 4.1.3 Phosphate S
6、olution, Zinc, Cleaner Additive ESK-M5B358-A 4.1.4 Phosphate Solution, Zinc, Start Up ESK-M5B368-A 4.1.5 Phosphate Solution, Zinc, Make Up ESK-M5B369-A 4.1.6 Phosphate Solution, Zinc, Activator ESK-M5B370-A 4.1.7 Phosphate Solution, Zinc, Accelerator S-M5B4514-A 4.1.8 Phosphate Solution, Zinc, Passivating Solution SKM-5B9580-A or S-M5B4518-A 4.1.9 Phosphate Solution, Zinc, pH Correction SKM-5B9580-B 4.1.10 Phosphate Solution, Zinc, Neutralizer S-M5B4513-A 4.1.11 Phosphate Solution, Zinc, Sludge Conditioner ESK-M5B335-A
