1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 02 16 N Status No replacement named N. Benipal, NA 2006 03 09 Revised Inserted 3.0; Deleted 3.1, 3.9, 4 1987 03 16 Released CZQ1-DR108428 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 2 CA
2、TALYST, ACID, CONVENTIONAL HIGH SOLIDS, EXTERIOR ESB-M99J343-A ACRYLIC ENAMEL, LOW BAKE REPAIR PROCESS NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an acid catalyst solution utilized to convert standard bake high solids acrylic enamels to low bake paint repair
3、 coatings. 2. APPLICATION This specification was released originally for materials used as repair enamels that require only low temperature baking schedules for complete cure. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQU
4、IREMENTS 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 AT 25/25 C 0.840 - 0.860 (ASTM D 891) 3.3 FLASH POINT, min -7.0 C (ASTM D 93) 3.4 ACID NUMBER 65 +/- 2 (ASTM D 14
5、67) 3.5 COMPOSITION (percent by weight) Aromatic Sulfonic Acid 34.0 - 36.0 Methyl Alcohol 48.0 - 50.0 Isopropyl Alcohol 14.0 - 16.0 3.6 INCORPORATION OF CATALYST (Catalyst is added to reduced enamel) Quantity required for conversion 4.0 (percent by volume) 3.7 BAKE SCHEDULE Ambient 20 min at 99 C Me
6、tal Temp. 10 min at 99 C ENGINEERING MATERIAL SPECIFICATION ESB-M99J343-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 3.8 PERFORMANCE The final appearance, gloss, adhesion, weathering and resistance properties shall conform to the requirements of the specification. The catalyzed enamel
7、 will have application properties consistent with the standard bake enamel. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. This material has a usable shelf life of three months. Material older than this shall be discarded.
