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 05 09 Released CDP1-DR531635 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 2 C
2、ATALYST, ACID (SOLUTION), HIGH SOLIDS, LOW VOC ESB-M99J332-A THERMOSET 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-c
3、oat/clearcoat enamels to low bake repair coatings. 2. APPLICATION This specification was released originally for material used as a catalyzed low bake enamel for in-plant repair of previously painted exterior vehicle surfaces. 3. REQUIREMENTS Material specification requirements are to be used for in
4、itial 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 0.840 - 0.870 (ASTM D 891) 3.3 ACID NUMBER 120 - 130
5、ASTM D 1467) 3.4 FLASH POINT, min 36 C (ASTM D 56) 3.5 COMPOSITION (PERCENT BY WEIGHT) Sulfonic acid derivatives 16 Butanol 84 3.6 INCORPORATION OF CATALYST 3.6.1 Basecoat Viscosity, 25 +/- 0.1 C 18 +/- 2 s (ASTM D 1200, No. 4 Ford Cup) 3.6.2 Catalyst Requirement for Basecoat Catalyst is incorporat
6、ed into basecoat at concentration of 3% by volume. ENGINEERING MATERIAL SPECIFICATION ESB-M99J332-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 3.6.3 Clearcoat Viscosity, 25 +/- 0.1 C 28 +/- 5 s (ASTM D 1200, No. 4 Ford Cup) 3.6.4 Catalyst Requirement for Clearcoat Catalyst is incorpor
7、ated into clearcoat at concentration of 4% by volume. 3.7 BAKE SCHEDULE Ambient 20 min at 99 C Metal Temp. 10 min at 99 C 3.8 PERFORMANCE Final appearance, gloss, intercoat adhesion, weathering and resistance properties shall be consistent with the standard requirements. 3.8.1 Hardness, Tukon, min 5 K.H.N. (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. Material must remain clear and free of sediment.
