1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 02 16 N Status No replacement named N. Benipal, NA 2006 03 08 Revised Inserted 3.0; Deleted 3.1, 3.10, 4 1985 03 12 Released C9P1-RD528856 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 2 C
2、ATALYST, ACID (SOLUTION) - HIGH SOLIDS, LOW VOC THERMOSET ESB-M99J330-A BASECOAT/CLEARCOAT LOW BAKE REPAIR PROCESS NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an acid catalyst solution incorporated to convert standard bake high solids, low VOC thermoset base-
3、coat/clearcoat enamels to low bake repair coatings. 2. APPLICATION This specification was released originally for material used to catalyze low bake enamel for in-plant repair of previously painted exterior vehicle surfaces. 3. REQUIREMENTS Material specification requirements are to be used for init
4、ial qualification of materials. 3.0 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, 25/25 C 0.880 - 0.910 (ASTM D 891) 3.3 ACID NUMBER 60 - 70 (AST
5、M D 1467) 3.4 FLASH POINT, min 36 C (ASTM D 56) 3.5 COMPOSITION (PERCENT BY WEIGHT) Acid Catalyst 33 Butanol 67 3.6 INCORPORATION OF CATALYST Catalyst is incorporated at concentration of 2% by volume to both the basecoat and the clearcoat under following conditions: Basecoat Viscosity, 25 +/- 0.1 C
6、14 - 16 s (ASTM D 1200, No. 4 Ford Cup) Clearcoat Viscosity, 25 +/- 0.1 C 27 - 29 s (ASTM D 1200, No. 4 Ford Cup) ENGINEERING MATERIAL SPECIFICATION ESB-M99J330-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 3.7 BAKE SCHEDULE Ambient 20 min at 99 C Metal Temp. 10 min at 99 C 3.8 PERFORM
7、ANCE Final appearance, gloss, intercoat adhesion, weathering and resistance properties shall be consistent with the standard requirements. 3.8.1 Hardness Tukon, min 5 KHN (FLTM BI 112-02) 3.9 SHELF STABILITY Material shall maintain its strength, compatibility with enamels and be otherwise usable after standing for a minimum of 90 days at 26 +/- 1 C. Materials must remain clear and free of sediment.
