1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 05 21 Revised See Summary of Revisions for details Global Paint Team 2004 08 17 Revised Para 3.0 inserted; Para 2, 3.4.3, 3.5.3, 3.7.1, 3.7.8, 3.7.9, 3.7.13, 3.7.14, 3.7.18, 3.7.21, 3.7.24, 5.1 revised; para 3.1, 3.2, 3.3, 3.4.1, 3.4.2, 3
2、.9, 3.7.11, 3.7.25, 3.9, 3.10 and 4 deleted C. Lin 2001 04 27 Activated A. Weakley, L. Soreide Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 9 PAINT, ONE COMPONENT, COLOR COAT FOR POLYPROPYLENE, INTERIOR WSS-M99J385-A2 1. SCOPE The material defined by this s
3、pecification is a pigmented one component paint suitable for accent color or low touch areas of interior polypropylene parts. No metallic paints are allowed under this specification. 2. APPLICATION This specification was released originally as a decorative finish for interior parts. All painted part
4、s must meet WSS-M2P188-A1. All paint applicators must meet the painter approval process (AVP T113-06). These paint systems are typical used to decorate interior visible surfaces solid colors only (i.e. bezels, switches, buttons, console, instrument panel). 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS F
5、OR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 PHYSICAL PROPERTIES 3.4.4 Stability (6 months at 23 +/- 2 C) Shall not liver or jell upon standing and must be free from settling which is n
6、ot dispersed by normal agitation. The viscosity of the material shall not increase or decrease more than 10 s. 3.5 PREPARATION OF TEST PANELS 3.5.1 Testing Requirement/ Specimen Preparation Tests shall be performed on plaques of appropriate substrate. See Table 1 for testing requirements & sample si
7、ze. Design Verification Testing (DV) is done on plaques by the paint supplier as defined in Table 1. Product/Process Validation Testing (PV) is done on production painted parts as outlined in the painted part Performance Specification WSS-M2P188-A1. 3.5.2 Substrate Polymers and polymer blends (i.e A
8、BS, PC, PC/ABS). All test specimens shall be injection molded plaques or parts having a nominal thickness of 2.5 +/- 0.2 mm or as specified on the engineering document. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page
9、 2 of 9 3.5.3 Plastic Preparation The surface to be painted shall be cleaned by an acceptable process, e.g. power wash, to remove mold releasing agents, fingerprints, oils, dirt and moisture. 3.5.4 Primer When necessary in order to meet the requirements of this specification, an adhesion primer, pri
10、mer surfacer or sealer may be needed. Surface enhancements, such as flaming or plasma treatment that modify surface tension, surface resistivity may also be required in order to meet the requirements. This must be noted in the initial submission package and recorded on the Ford Approved Source List
11、(ASL). 3.5.5 Cure Supplier shall define Cure Window as described in Paragraph 3.6. This should be included in the submission package and DFMEA. 3.5.6 Ageing Test panels or test specimens prepared for investigations according to this specification must be aged for at least 72 hours at 23 +/- 2 C or 1
12、6 hours at 45 +/-1 C prior to testing 3.6 APPEARANCE 3.6.1 General Color, gloss, grain, tactile effect and surface finish shall match master Trim Sample and/or Master Appearance Sample as approved by Corporate Design The coating shall exhibit no craters, pinholes, solvent popping, seediness, abnorma
13、l roughness, or excessive flow. 3.6.2 Color (FLTM BI 109-01, Visual Assessment) (SAE J1545, MA58 Three-Angle CMC) Shall match the Master Approved Sample. 3.6.3 Gloss (FLTM BI 110-01, ASTM D 523) As released by Engineering: A: 20 Glossmeter, min 92 B: 60 Glossmeter 76 - 84 C: 60 Glossmeter 66 - 74 D:
14、 60 Glossmeter 58 - 66 E: 60 Glossmeter 47 - 53 F: 60 Glossmeter 33 - 38 G: 60 Glossmeter 17 - 23 H: 60 Glossmeter 7 - 13 J: 60 Glossmeter 4 - 6 K: 60 Glossmeter 2 - 4 L: 60 Glossmeter 0.5 - 2.0 N: 60oGlossmeter 1.8 - 2.4 ENGINEERING MATERIAL SPECIFICATIONWSS-M99J385-A2 Printed copies are uncontroll
15、ed Copyright 2009, Ford Global Technologies, LLC Page 3 of 9 The color, pattern and finish shall match the approved Design Center master sample, or shall be as specified on the Engineering Document. Gloss can be affected by grain so the end gloss for the part will be determined & approved by visual
16、evaluation by Design Quality. An accurate gloss reading needs to be performed on a flat smooth surface otherwise an accurate gloss reading cant be obtained. 3.7 FILM PROPERTIES All film properties are based on the proper preparation per para 3.5 with acceptable appearance, gloss reading and film thi
17、ckness after post cure per paragraph 3.5.6. 3.7.1 Film Thickness, range 20 30 micrometer (ASTM B 487 or other mutually agreed upon method) Note : These ranges are considered to be requirements unless otherwise supported by testing data agreed to by Materials Engineering. 3.7.2 Adhesion (FLTM BI 106-
18、01, Method D) Less than 5% paint removal with no complete diamonds removed. Six lines in each direction should make up the grid. The overall dimensions should be at least 25 mm wide by 50 mm long from the widest and longest points unless restricted by part size. 3.7.3 Water Resistance (FLTM BI 104-0
19、1, 96h) No blistering, softening, dulling, or loss of adhesion per para 3.7.2 within 30 minutes of removal from water. 3.7.4 Abrasion Resistance, min 1000 cycles (SAE J948, Taber method, 500 g load, CS-10 wheels) Abrasion resistance shall be determined on test panels with smooth surface. Measure and
20、 report the panels paint film thickness and run a min of 1000 cycles. Run an additional 1,000 cycles for every 25 micrometer of paint thickness on the panel. The paint film shall show no abrasion through to the substrate. 3.7.5 Resistance to Cleaning Agents, min Rating 4 discoloration (FLTM BN 107-0
21、1, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Saturate white cotton cloth with the cleaners listed. Evaluation according to the AATCC Scale. Cleaners (see also para 5.1) 1) Deionized water 2) Window cleaner with ammonia 3) All purpose cleaner 4) Dry (no cleaners or water) ENGINEERING M
22、ATERIAL SPECIFICATIONWSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 9 3.7.6 Long Term Heat Exposure Rating 4 (7 d at 100 +/- 2 C, ISO 105-A02/ AATCC Eval. Proc. 1) Appearance Evaluation: No evidence of cracks, no blistering, or other failure wh
23、en compared with original unaged sample. Panels or parts exposed per para 3.7.6 shall be immersed in water for 24 h per FLTM BI 104-01 and then tested for adhesion per para 3.7.2. 3.7.7 Short Term Heat, Humidity and Cold Cycle Rating 4 (ISO 105-A02/AATCC Eval. Proc. 1) . 5 h at -40 +/- 2 C . 30 min
24、at 23 +/- 2 C and 50% R.H. . 5 h at 100 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 2 h at 50 +/- 2 C and 95 +/- 5% R.H. . 30 min at 23 +/- 2 C and 50% R.H. 5 h at -40 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 100 +/- 2 C 1 h ramp time between each step. Appearance Evaluation: No eviden
25、ce of cracks, no blistering, or other failure when compared with original unaged test sample. Panels or parts exposed per para 3.7.7 shall be immersed in water for 24 h per FLTM BI 104-01 and then tested for adhesion per para 3.7.2. 3.7.8 Accelerated Xenon Weathering, min Rating 4 (FLTM BO 116-01 at
26、 2406.4kJ/m2 Gloss Change 30% or SAE J2412* at 1240kJ/m2, L.a.b. delta 1.9 ISO 105 A-02/AATCC Evaluation Procedure 1) *note the FLTM is the preferred method note method used on data submission form. Atlas Water Cooled, Rotary Drum Xenon-Arc Apparatus only Duplicate panels are required, one for appea
27、rance evaluation and one for water immersion. After the color and gloss measurements, one of the weathered panels shall be subjected to the water immersion test for 24 h per FLTM BI 104-01 and must meet requirements of para 3.7.2 3.7.9 Florida Weathering Under Glass 1 year submission (FLTM BI 160-01
28、, ISO 105 A-02/AATCC required for new Evaluation Procedure 1) technology only 12 months Rating 4, min Gloss change 30% L.a.b. delta E 1.9 Test parts shall be exposed under glass in the Miami, Florida area, black box, under glass at a 5 angle facing South. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J38
29、5-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 5 of 9 After the color and gloss measurements, one of the weathered panels shall be subjected to the water immersion test for 24 h per FLTM BI 104-01 and meet the requirements of para 3.7.2 3.7.10 Fogging (SAE J1
30、756 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number, min 70 Formation of a clear film, droplets or crystals is cause for rejection. 3.7.12 Intercoat Adhesion (FLTM BI 106-01, Method D) The first coat shall cover the entire test panel and the repair/accent color coat
31、 shall only cover half of the panel. Good adhesion is required for either same color repair or accent color combination. Color and gloss shall match between the virgin coat and the repair coat of the same color. The processing window (3.8) for the repair shall be identified to ensure good adhesion p
32、roperties. 3.7.13 Migration Staining, min Rating 5 (FLTM BN 103-01, ISO 105-A02/AATCC Evaluation Procedure 1) No evidence of exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face to face with itself. 3.7.14 High Performance Paint Adhesion* * note me
33、thod used on data submission form Test Method: Expose the samples at 80 +/- 2 C and 80 +/- 5% Relative Humidity for 96 hours then follow all steps of FLTM BI 107-05 and FLTM 160-04. FLTM BI 107-05 Adhesion, min Rating 19 No loss of gloss or any other surface deterioration. Alternate Method FLTM BO 1
34、60-04 Adhesion, min No Adhesion Loss No loss of gloss or any other surface deterioration. 3.7.15 Resistance to Water and Soap Rating 4 Spotting, max discoloration (FLTM BI 113-01, ISO 105-A02/AATCC Evaluation Procedure 1) No film softening allowed for any solution. ENGINEERING MATERIAL SPECIFICATION
35、WSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 6 of 9 3.5.17 Scratch Resistance, max (FLTM BO 162-01, visual inspection of paint surface, 1mm scratch pins) Scratch, 2N Rating 1 Marring, 2N Rating 2 3.7.18 Resistance to Marring (SAE J365, 10 cycles)
36、A and B gloss surfaces (see 3.6.3) Shall be capable of being sanded with 1200 grit or finer and polished. No noticeable change in gloss or appearance except for a minimum of polishing lines shall result. C L gloss surfaces (3.6.3) No evidence of discoloration, mar can be removed with four rubs of th
37、e thumb across the mar. 3.7.19 Resistance to Scuffing, min 1000 cycles (SAE J365) Measure and report the paint film thickness of the panel and run a min of 1000 cycles for every 25 micrometer of paint thickness on the panel. No evidence of lifting, peeling, or excessive scuffing. No permanent parall
38、el deformation to the surface. 3.7.20 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A02/AATCC Evaluation Procedure 1) Cleanability Rating 3 3.7.21 Perspiration Resistance (FLTM BI 113-06, ISO 105-A02/AATCC Evaluation Procedure 1) Acid Perspiration Solution Rating 4 Alkaline Perspiration Solution
39、 Rating 4 Sodium Chloride Solution Rating 4 3.7.22 Resistance to Window Cleaner Spotting AATCC Rating 4-5 Apply 0.25 ml of window cleaner that contains at least 1% butyl cellusolve on the test sample using a non-reactive O-ring. Expose the sample at the room temperature for 1 h. Evaluate per ISO 105
40、-A02/AATCC Evaluation Procedure 1. No film softening allowed for any solution. 3.7.23 Flexibility Required for substrates with a flexural modulus less than 450 MPa. No cracking of painted surface is allowed at either room or cold temperature, when bent over 25 mm mandrel. ENGINEERING MATERIAL SPECIF
41、ICATIONWSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 7 of 9 3.7.23.1 Room Temperature (23 +/- 2 C) Test Method: Cut 13 x 100 mm sample from plaque. Grasp sample firmly at each end, place over mandrel painted side up, and bend around mandrel 180 min
42、. Use 25 mm mandrel. 3.7.23.2 Cold Temperature Test Method: Cut 13 x 100 mm sample from plaque. Place sample, mandrel and gloves into a freezer at -30 + 0/- 2 C for 4 h min. Open freezer, put on gloves and grasp sample firmly at each end, place over mandrel painted side up, and bend around mandrel 1
43、80 min. Use 25 mm mandrel. 3.7.24 Resistance to Suntan Lotion Rating 3 and Insect Repellent, max No loss of adhesion (FLTM BI 113-08, 23 C & 74 C) 3.7.25 Odor, max Rating 3 (FLTM BO 131-03) 3.7.26 Humidity Resistance (85 C and 90% R.H for 96hr) No blistering, softening, or loss of adhesion per 3.7.2
44、. 3.8 PROCESS WINDOW DEFINITION The supplier shall perform a Design of Experiments (Response Surface Analysis is recommended) to determine the process window of the material. The three variables/parameters to be included in the design are bake temperature, bake time, and film thickness. An initial s
45、creening experiment should be run to determine what levels should be tested for the variables/parameters. This screening experiment should be reviewed with the materials engineer to set up the final DOE. Responses for the DOE shall include, but are not limited to, the following: Film Thickness, para
46、 3.7.1 Gloss, para 3.6.3 Initial Adhesion, para 3.7.2 Water Resistance, para 3.7.3 50/50 Isopropyl Alcohol (1K only), FLTM BN 107-01, 10 cycles Odor para 3.7.25 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specifi
47、cation. 5.1 CLEANING AGENTS (See para 3.7.5) 1) Window cleaner with ammonia ZC-3* 2) All Purpose Cleaner ZC-11-A* *or Ford Motor Company Recommended Equivalents ENGINEERING MATERIAL SPECIFICATIONWSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 8 of 9
48、6. SUMMARY OF REVISIONS 2009 05 21 Removed 3.4.3, Added 3.4.4 Updated 3.5 to align with WSS-M2P188-A1 Updated 3.6.3 3.7.8 Updated/Added FLTM BO 116-01 Updated 3.7.9 3.7.14 Changed Name and added Alternative Method BO 160-04 Removed 3.7.16 3.7.21 Changed method aligned with WSS-M2P188-A 3.7.24 Remove
49、d DVM replaced by FLTM BI 113-08 Added 3.7.25 & 3.7.26 Updated 3.8 Added Table 1 ENGINEERING MATERIAL SPECIFICATIONWSS-M99J385-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 9 of 9 Table 1 Approval Test Requirements for Design Validation Sample size/color New paint technology New Substrate New color approved paint technology (MCDCC signoff) 3.6 Appearance 1 X X X 3.7.1 Film Thickness 1 X X X 3.7.2 Adhesion 3 X X X 3.7.3 Water Resistance 3 X X X 3.7.
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