1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 08 10 Activated L. Rodrigues/C. Goncalves Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 2 PHOSPHATE SOLUTION, ZINC START UP WSS-M3B79-A 1. SCOPE The material defined by this specification is an aq
2、ueous solution containing essentially zinc phosphate. 2. APPLICATION This specification was released originally for material used as make-up material in full dip phosphate equipments. This material is used in combination with WSS-M3B80-A Phosphate Solution, Zinc, Make Up, WSS-M3B74-A Phosphate Solut
3、ion, Zinc, Activator, SM-5B4509-A or WSS-M3B76-A Phosphate Solution, Zinc, Accelerator. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to
4、the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION (atomic absorption determination) Zinc as Zn 2.5 +/- 0.4% Nickel as Ni 2.2 +/- 0.4% Manganese as Mn 2.5 +/- 0.4% 3.3 ACIDITY Free (Sodium hydroxide 0.1N) Indicator: Bromo Phenol Blue 8.0 +/- 0.5 mL
5、 Total (Sodium hydroxide 0.1N) Indicator: Phenolphthalein 36 +/- 3 mL 3.4 DENSITY (20 C) 1.49 +/- 0.04 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONWSS-M3B79-A Prin
6、ted copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 2 4.1 The phosphate system released by this specification consists of the following materials: 4.1.1 Cleaner, body sheet metal, multi-component, builder, liquid- WSS-M5B409-A3 4.1.2 Cleaner, body sheet metal, multi-c
7、omponent, surfactant, LIQUID - WSS-M5B409-A4 4.1.3 Phosphate Solution, Zinc, Activating Agent- WSS-M3B74-A 4.1.4 Phosphate Solution, Zinc, Make Up- WSS-M3B80-A 4.1.5 Neutralizing Agent- SM-5B4508-A 4.1.6 Phosphate Solution, Zinc- SM-5B4509-A or WSS-M3B76-A 4.1.7 Phosphate Solution, Zinc, Make-Up Man
8、ganese - WSS-M3B72-A1 and WSS-M3B72-A2 4.1.8 Phosphate Solution, Zinc, Make-Up Manganese - WSS-M3B72-A3 4.1.9 Phosphate solution, zinc, accelerator- ESK-M5B354-A 4.1.10 Phosphate Solution, Zinc, Accelerator Additive- - ESK-M5B353-A 4.1.11 Phosphate Solution, Zinc, Inorganic, Chrome-Free, Passivating Solution - WSS-M5B405-A
