1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revision 2009 05 28 N-STATUS No Replacement Named L. Sinclair, FNA 2002 10 14 Revised Updated and renumbered 1981 11 12 ReleaseD SM/EQ 8894 TP Printed copies are uncontrolled Page 1 of 2 Copyright 2009, Ford Global Te
2、chnologies, Inc. PHOSPHATE SOLUTION, ZINC, ALKALINE CLEANER SK-M5B9604-A PHOSPHATE SOLUTION, ZINC, ALKALINE CLEANER, SK-M5B9604-A2 LIQUID NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are alkaline cleaners. 2. APPLICATION These specifications were released orig
3、inally for materials used as an aqueous solution of a metal cleaner in automatic combined dip and spray phosphating equipment. The cleaners are used in combination with Wetting Agent SK-M5B9608-A. SK-M5B9604-A is supplied as a white powder, SK-M5B9604-A2 as a colorless liquid. 3. REQUIREMENTS 3.1 ST
4、ANDARD 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 SK-M5B9604-A SK-M5B9604-A2 (Powder) (Liquid) Phosphate as P205: 16.5 +/- 1.5 % 8.6 +/- 1.5 % Silic
5、ate as SiO2: 14.5 +/- 1.5 % 6.8 +/- 1.5 % Total Alkalinity as Na2O: 42.5 +/- 2.5 % 17.4 +/- 2.5 % 3.3 pH-VALUE 12.7 +/- 0.5 12.5 +/- 0.5 1 % solution in water at 20 C. 3.4 TITRATION 12.5 +/- 1.0 mL 5.6 +/- 1.0 mL Titrate 10 mL of a 1 % by weight solution with 0.1n sulfuric acid (H2SO4). Indicator: b
6、romocresol green ENGINEERING MATERIAL SPECIFICATION SK-M5B9604-A/A2 Page 2 of 2 Copyright 2009, Ford Global Technologies, Inc. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 The phosphate system
7、 released by these specifications consists of the following materials: 4.1.1 Phosphate Solution, Zinc, Wetting Agent SK-M5B9608-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, Activator ESK-M5B327-A 4.1.5 Phosphate Solution, Zinc, Accelerator S-M5B4509-A 4.1.6 Phosphate Solution, Zinc, Sludge Conditioner SK-M5B9607-A 4.1.7 Phosphate Solution, Zinc, Passivating Solution ESK-M5B326-A
