1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2007 09 14 Activated C. Gonalves Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 1 of 1 ACETIC ACID WSS-M97B52-A 1. SCOPE The material defined by this specification is an aqueous solution of acetic acid. 2. A
2、PPLICATION This specification was released originally for material used to control the pH-Value of cathodic electrocoat primer used in FSAO. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for
3、 Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL COMPOSITION Solution of acetic acid (CH3COOH) in water 50 +/- 1% 3.3 PROPERTIES Colr (Platinum-Cobalt Scale) 10, max (ASTM D 1209) Aspect Clear Density at 20 C 1.02 1.08 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 Use 0.1 N sodium hydroxide solution and phenolphthalein as indicator. 4.2 pH-VALUE at 20 C 0 1
