1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 0 2008 11 24 Activated L. Rodrigues, FSA Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 1 PHOSPHATE SOLUTION, ZINC, PH REGULATOR WSS-M5B426-A 1. SCOPE The material defined by this specification is
2、soda ash of sodium carbonate (Na2CO3). 2. APPLICATION This specification was released originally for material to adjust pH values of phosphating baths. 3. REQUIREMENTS 3.1 STANDARD 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 Sodium Carbonate, min 99% Impurities (Including Moisture), max 1% (as received) 3.3 MATERIAL AS RECEIVED powder The material shall be in powder form, packaged so as to minimize ingress of moisture.
