1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 20 Revised Updated and renumbered 1990 11 02 EP00E01031541000 Released KW conc. J. Schult Printed copies are uncontrolled Page 1 of 1 Copyright 2002, Ford Global Technologies, Inc. ACETIC ACID WSK-M9
2、7B50-A 1. SCOPE The material defined by this specification is an aqueous solution of acetic acid. 2. APPLICATION This specification was released originally for material used to control the pH-Value of cathodic electrocoat primer. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Mat
3、erial suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COMPOSITION Solution of acetic acid (CH3COOH) in water 24 - 26 % (Vol) 3.3 PROPERTIES 3.3.1 Density at 20 C 1.02 1.04 g/mL (ASTM D 1475) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 TITRATION 1 mL of the material needs 4.1 4.3 mL 1 N potassium hydroxide solution (indicator phenolphthalein). 4.2 pH-VALUE at 20 C 1 - 2
