1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2012 02 16 N Status No replacement named N. Benipal, NA 2005 08 16 Revised Inserted 3.0; Deleted 3.7 and 4 1983 01 28 Released CTN1-DR502065-1 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 5 MO
2、LDED COATING FOR COMPRESSION MOLDED FRP - ESB-M99J309-A RESIN PORTION MOLDED COATING FOR COMPRESSION MOLDED FRP - ESB-M99J310-A HARDENER PORTION NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are components of a thermosetting urethane-polyester compound applied
3、to compression molded fiberglass reinforced polyester (FRP) parts during the molding operation. These materials are designed as components of a system to fill porosity, voids, and provide good adhesion and enamel holdout properties when applied to FRP. 2. APPLICATION These specifications were releas
4、ed originally for materials used in combination as a molded-in primer surfacer on high visibility exterior FRP parts such as hoods, grille opening panels and other body panels. 3. REQUIREMENTS Combination 3.1 PHYSICAL PROPERTIES ESB-M99J309-A ESB-M99J310-A (3.5/1 Resin/ Hardener by Volume) 3.1.1 Sol
5、ids, min 85% 90% (FLTM BI 102-01) 3.1.2 Weight per 11.8 +/-.2 lb/gal 10.1 +/-.2 lb/gal 11.4 +/-.2 lb/gal Volume (1.4 +/-.02 kg/L) (1.21 +/-.02 kg/L) (1.37 +/-.02 kg/L) (ASTM D 1475) 3.1.3 Viscosity 6,000 17,000 8,000 21,000 (ASTM D 1824, centipoises centipoises #7 Spingle at 100 RPM and 30 C) 3.1.4
6、Gel Time Urethane 4-10 min Polyester 10-27 min 3.2 PREPARATION OF TEST SPECIMENS 3.2.1 Substrate Compression molded FRP, ESB-M3D105-B, Type II. Each FRP formulation must be approved separately for use with these materials. ENGINEERING MATERIAL SPECIFICATION ESB-M99J309-A ESB-M99J310-A Copyright 2012
7、, Ford Global Technologies, LLC Page 2 of 5 3.2.2 Mold Shall be representative of production tooling. Testing of samples from production level tooling is required before final approval to these specifications. 3.2.3 Molded Coating Components ESB-M99J309-A and ESB-M99J310-A are to be applied in the r
8、atio recommended by the manufacturer to the test specimen by means of an automatic injection system or hand pour (laboratory test panels only). Minimum dry film thickness per FLTM BI 117-01, using the Mark II, Tooke Gage shall be 0.5 mil (13 m). Each fabricator must be approved separately to use the
9、se materials. 3.2.4 Electrocoat Test specimens shall be prepared both with and without an exposure to a simulated electrocoat bake of 30 min at 205 C ambient on the molded coating. 3.2.5 Primer(s) Apply the current approved production primer(s) at 0.5 mil (13 m) minimum dry film thickness in accorda
10、nce with the pertinent engineering material specification at both the minimum and the maximum bakes (see para 5). 3.2.6 Topcoat Apply the current approved body production exterior enamel used in the assembly plants in accordance with the pertinent engineering material specification (see para 5). Use
11、 white enamel for the following: . Adhesion (para 3.4.1). . Chip Resistance (para 3.5.1). Use black enamel for all other tests requiring topcoated samples. 3.3 APPEARANCE 3.3.1 Color ESB-M99J309-A Gray ESB-M99J310-A Transparent Amber As applied per para 3.2.3 Grey 3.3.2 Leveling The molded coating a
12、s applied per para 3.2.3 shall provide a smooth uniform appearance free from pits, cracks, bubbles, etc. ENGINEERING MATERIAL SPECIFICATION ESB-M99J309-A ESB-M99J310-A Copyright 2012, Ford Global Technologies, LLC Page 3 of 5 3.3.3 Gloss 40 min (As Processed on a (FLTM BI 110-01, 60 Polished Chrome
13、Tool) Glossmeter as applied per para 3.2.3) 3.3.4 Distinctness of Image 90 min (FLTM BI 010-03, prepare test specimen per para 3.2 using black high gloss exterior enamel) When it is not feasible to obtain a distinctness of image reading due to the contour and/or size of the part, evidence of dulling
14、 or strike-in of the topcoat shall be cause for rejection. 3.4 FILM PROPERTIES 3.4.1 Adhesion Part “A“ No flaking or chipping (FLTM BI 106-01 Part “B“ Both molded coating adhesion on samples to substrate and guidecoat prepared per adhesion to molded coating para 3.2) shall be no worse than grade 3 f
15、igure 1. 3.4.2 Hardness F - 3 h (ASTM D 3363, samples prepared per para 3.2.1- 3.2.3. Use Eagle Turquoise T 2375 pencils) 3.4.3 Dry Sanding Characteristics The molded coating when applied as outlined in para 3.2.3 shall dry sand (using a new sheet of 280 grit stearate filled paper for each panel) sm
16、oothly without clogging the paper and with a minimum of sand scratches. The material shall be equivalent in all respects to current approved production molded coating applied and tested under identical conditions. 3.4.4 Repairability Samples prepared per para 3.2.1 - 3.2.3 shall be repaired using ap
17、proved repair materials under conditions representing actual production processing (see para 5). Repaired samples should be subsequently processed according to para 3.2.4 - 3.2.6. All repair materials shall meet the following requirements outlined in these specifications: Distinctness of Image 3.3.4
18、 Adhesion 3.4.1 All Resistance Properties 3.5 ENGINEERING MATERIAL SPECIFICATION ESB-M99J309-A ESB-M99J310-A Copyright 2012, Ford Global Technologies, LLC Page 4 of 5 3.5 RESISTANCE PROPERTIES Test samples shall be prepared per para 3.2 and tested with color coat enamel. Samples shall be aged a mini
19、mum of 72 h before testing for resistance properties. 3.5.1 Chip Resistance (SAE J400) No more chipping than Figure 4B when a finished part is subjected to 1 cycle. 3.5.2 Water Immersion, min 240 h Test Method: Immerse the part for 240 h in distilled or deionized water maintained at 32 +/- 1 C. Remo
20、ve parts from the water and immediately scribe an X through the finish to the substrate. Dry the scribed area with a paper towel, cloth, or air (oil and moisture free) and immediately apply, with firm thumb pressure, a minimum of 2 sq in (13 cm2) of ESF-M3G48 tape. Remove the tape by pulling one end
21、 at a 90 angle at moderate speed. 3.5.3 Thermal Shock Resistance (FLTM BI 107-03) The finish shall exhibit no blistering or loss of adhesion when subjected to the following cycle. . 4 h water immersion . 4 h minimum exposure at -29 C . Direct steam blast on scribed X at 45 angle 2 - 3 in (50 - 75 mm
22、) from panel for 15 s minimum. 3.5.4 Weathering Resistance Panels, prepared as in para 3.3, scribed with an X to bare plastic and exposed as follows shall show a minimum degree of fading, chalking or dulling and shall be completely free from evidence of cracking, checking, blistering or peeling. . F
23、lorida Direct Weathering 12 months at 5 (Miami area) facing south . Accelerated Weathering (FLTM BO 101-01, in XW Atlas 400 h Weatherometer) (ASTM G-53 - 77, in Atlas UVCON 500 h (or equivalent) with a cycle of 4 h UV exposure at 60 C and 4 h condensing humidity at 50 C. Note: Florida exposure resul
24、ts shall take precedence over accelerated weathering results. ENGINEERING MATERIAL SPECIFICATION ESB-M99J309-A ESB-M99J310-A Copyright 2012, Ford Global Technologies, LLC Page 5 of 5 3.6 PRODUCTION TRIAL Final approval of all functional and sanding characteristics shall be made by the using Manufact
25、uring Division of the material or painted part on the basis of a shop trial under production conditions (Paint Test Report - Functional - Form 371). 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. ESB-
26、M99J309-A ESB-M99J310-A 5.1 FLASH POINT, min (ASTM D 92) 59 C 177 C 5.2 FLAMMABILITY These materials represent a potential fire hazard. The Manufacturing Engineering Department shall notify both the Plant Security and the Safety Units of its presence in the Plant or assure that proper fire precautio
27、ns are provided. The location in which it is used or stored shall be included in the notifications. 5.3 STORAGE It is recommended ESB-M99J309-A be stored in a closed vessel for no longer than 30 days at 22 +/- 3 C. ESB-M99J310-A may be stored under the same conditions; 30 days at 22 +/- 3 C. ESB-M99
28、J310-A may be stored under the same conditions; however, it is further recommended that a nitrogen blanket be utilized. 5.4 APPLICABLE SPECIFICATIONS 5.4.1 Performance ESB-M2P124 5.4.2 Substrate ESB-M3D105 5.4.3 Conductive Primer ESB-M6J106 5.4.4 Primer ESB-M6J119 ESB-M6J141 ESB-M6J120 5.4.5 Topcoat ESB-M50J100 ESB-M50J103 ESB-M32J105 ESB-M32J101 ESB-M50J107 5.4.6 Pit Fillers ESB-M18P6 5.4.7 Repair Primer ESB-M6J57 ESB-M6J65/111 ESB-M6J106