1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2014 06 27 Released C. Mracna FNA Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 1 PRETREATMENT SOLUTION, ALUMINUM SUBSTRATE, CLEANER WSS-M3B83-A3 1. SCOPE The material defined by this specifica
2、tion is designed to clean aluminum substrates in preparation for pretreatment prior to subsequent adhesive bonding applications. 2. APPLICATION This specification was released originally for a liquid, mildly alkaline cleaner for both sheet and wrought aluminum alloys. The material is to be applied u
3、sing immersion methods. 2.1 LIMITATIONS The material approved to this specification is intended to be used as part of a system with materials approved to specifications WSS-M3B83-A1/A2/A4 resulting in a pretreated substrate that is compliant to the performance requirements defined per WSS-M10P12-B2.
4、 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 SPECIFIC GRAVITY 1.070 1.090 (Chemetall Test Method QC-02, or technical equivalent) 3.3 pH 9 - 1
5、0 (Chemetall Test Method QC-04, or technical equivalent) 3.4 FREE ALKALINITY 9.9 10.5 mL (Chemetall Gardotest Procedure 91, or technical equivalent) 3.5 COLOR Bright Yellow 3.5 PHYSICAL FORM Liquid 3.6 SHELF LIFE 2 Years 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 5. SUMMARY OF REVISIONS
