1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2017 06 27 Editorial Corrected footer A. Collins, NA 2016 08 09 Revised See Summary of Revisions J. Bilko, NA 2013 03 14 Released J. Crist, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page1 of 9 PAI
2、NT, ONE COMPONENT COLOR BASECOAT/ TWO COMPONENT CLEARCOAT FOR PLASTIC, INTERIOR BASE/CLEAR COAT SYSTEM, HIGH GLOSS (A-B) WSS-M15J17-A1 PAINT, ONE COMPONENT COLOR BASECOAT/ TWO COMPONENT CLEARCOAT FOR PLASTIC, INTERIOR BASE/CLEAR COAT SYSTEM, LOW GLOSS (C-L) WSS-M15J17-A2 1. SCOPE The material define
3、d by these specifications is a pigmented one-component basecoat/two-component clear coat system suitable for first surface application to interior plastic parts. 2. APPLICATION These specifications were released originally as a decorative finish for interior parts. All painted parts must meet WSS-M2
4、P188-B1/Latest. All paint applicators must meet the Interior Parts Painter Approval Process (WSS-M2P195-A). These paint systems are typically used to decorate interior visible surfaces (i.e. steering wheel bezels, switches, buttons, console, etc.). 3. REQUIREMENTS 3.1 APPROVED SOURCES This specifica
5、tion requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Mat
6、erials Engineer. 3.2 PREPARATION OF TEST PANELS 3.2.1 Testing Requirement/ Specimen Preparation Tests shall be performed on plaques of appropriate substrate. See Table 1 for testing requirements & sample size. Design Verification Testing (DV) is done on plaques by the paint supplier as defined in Ta
7、ble 1. Product/Process Validation Testing (PV) is done on production painted parts as outlined in the painted part Performance Specification WSS-M2P188-B1/Latest. 3.2.2 Substrate Polymers and polymer blends (i.e ABS, PC, PC/ABS). All test specimens shall be injection molded plaques or parts having a
8、 nominal thickness of 2.5 +/- 0.2 mm or as specified on the engineering document. ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017, Ford Global Technologies, LLC Page 2 of 9 3.2.3 Plastic Preparation The surface to be painted shall be cleaned by an acceptable process, (e.g. power w
9、ash) to remove mold releasing agents, fingerprints, oils, dirt and moisture. 3.2.4 Primer When necessary in order to meet the requirements of this specification, an adhesion promoter, primer surfacer or sealer may be needed. Surface enhancements, such as flaming or plasma treatment that modify surfa
10、ce tension, surface conductivity 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 (ASL). 3.2.5 Cure Supplier shall define Cure Window as described in Paragraph 3.5. This should be included in th
11、e submission package and DFMEA. 3.2.6 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 16 hours at 45 +/- 1 C prior to testing. 3.3 APPEARANCE 3.3.1 General Color, gloss, grain, tactile effect and sur
12、face 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, abnormal roughness excessive flow or any other detrimental defect. 3.3.2 Color (FLTM BI 109-01, Visual Assessment an
13、d/or SAE J1545, MA58 Three-Angle CMC) Shall match the Master Approved Sample. 3.3.3 Gloss (FLTM BI 110-01, ASTM D523) As released by Engineering: A: 20 Glossmeter min 92 B: 60 Glossmeter 76 - 84 C: 60 Glossmeter 66 - 74 D: 60 Glossmeter 58 - 66 E: 60 Glossmeter 47 - 53 F: 60 Glossmeter 33 - 38 G: 60
14、 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: 60o Glossmeter 1.8 - 2.4 R: 60 Glossmeter 1.2 1.6 ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017, Ford Global Technologies, LLC Page 3 of 9 The color, pattern a
15、nd 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 evaluation by Design Quality. An accurate gloss reading needs to be performed on
16、a flat smooth surface otherwise an accurate gloss reading cant be obtained. 3.4 FILM PROPERTIES All film properties are based on the proper preparation per para 3.2 with acceptable appearance, gloss reading, film thickness and after post cure per paragraph 3.2.6. 3.4.1 Film Thickness, (ASTM B487, FL
17、TM BI 170-01, or other mutually agreed upon method) Base: 15 30 micrometers Clear: 25 40 micrometers Note: These ranges are considered to be requirements unless otherwise supported by testing data agreed to by Materials Engineering. 3.4.2 Adhesion (FLTM BI 106-01, Method B) Hand sand paint film surf
18、ace (10 double rubs, moderate pressure) with P600 sandpaper until dull, before knife operation and checking adhesion. Clean film surface with 50/50 mixture IPA/water before testing. 3.4.2.1 Knife Test Grade 0 3.4.2.2 Intercoat Adhesion Grade 0 This test is applicable to the following: WSS-M15J17-A1/
19、A2 Repair/Tu-tone paints The first coat shall cover the entire test panel and the repair/tutone coat shall only cover half of the panel. Color and gloss shall match between the original coat and the repair coat of the same color. The repair/tutone must meet all other requirements of the specificatio
20、n. The processing window (3.5) for the repair/two-tone coat shall be identified to ensure good adhesion properties. 3.4.3 Water Resistance Grade 0 (FLTM BI 104-01, 96h) No blistering, softening, dulling, or loss of adhesion per para 3.4.2.1 within 30 minutes of removal from water. 3.4.4 Abrasion Res
21、istance, The paint film shall (SAE J948, Taber method, 500 g load, show no abrasion CS-10 wheels) through to the substrate Abrasion resistance shall be determined on test panels with smooth surface. Paint must be sprayed on panels of contrasting color (ex. black paint on gray substrate) to improve j
22、udgment of wear to the substrate. Measure and report the samples paint film thickness. ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017, Ford Global Technologies, LLC Page 4 of 9 For paint film thickness less than or equal to 25 micrometers run 1000 cycles. For paint film thickness
23、 greater than 25 micrometers use the following formula to calculate the number of cycles to run. Number of cycles = (Xm)(1000) Where Xm = paint thickness 25 m 3.4.5 Resistance to Cleaning Agents, Rating 4 (FLTM BN 107-01, 10 cycles, AATCC Max discoloration Evaluation Procedure 2) Test Procedure: Sat
24、urate the white cotton cloth with the cleaners listed. Evaluation according to the AATCC Scale. Record and report brand tested. 1) Deionized water 2) Window cleaner Any commercially available 3) All purpose cleaner Any commercially available 4) Dry (no cleaners or water) 5) 50/50 IPA/Clean water 3.4
25、.6 Long Term Heat Exposure, Rating 4 min (7 d at 100 +/- 2 C, ISO 105-A02/ AATCC Eval. Proc. 1) Appearance Evaluation: No evidence of cracks, no blistering, no change in appearance or other failure when compared with original unaged sample. Panels or parts exposed per para 3.4.6 shall be immersed in
26、 water for 24h per FLTM BI 104-01 and then tested for adhesion per para 3.4.2.1 within 30 minutes of removal from water. 3.4.7 Short Term Heat, Humidity and Cold Cycle, Rating 4 min (ISO 105-A02/AATCC Eval. Proc. 1) 5 h at -30 +/- 2 C 30 min at 23 +/- 2 C and 50% R.H. 5 h at 100 +/- 2 C 30 min at 23
27、 +/- 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 -30 +/- 2 C 30 min at 23 +/- 2 C and 50% R.H. 5 h at 100 +/- 2 C One hour ramp time between each step. Appearance Evaluation: No evidence of cracks, no blistering, no change in appearance or other fai
28、lure when compared with original unaged test sample. Panels or parts exposed per para 3.4.7 shall be immersed in water for 24h per FLTM BI 104-01 and then must meet the requirements for adhesion per para 3.4.2.1 within 30 minutes of removal from water. ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A
29、1/A2 Copyright 2017, Ford Global Technologies, LLC Page 5 of 9 3.4.8 Fogging (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16h) Fog Number, 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.4.9 Resistance To Fade 3.4.9.1 Accelerated Xenon W
30、eathering, Rating 4 min Report only (FLTM BO 116-01 at 2406.4kJ/m2 Gloss Change or SAE J2412* at 1240kJ/m2, L.a.b. delta E ISO 105 A-02/AATCC Evaluation Procedure 1) *Note: the FLTM is the preferred method, record method used on data submission form. Duplicate panels are required, one for appearance
31、 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 24h per FLTM BI 104-01 and must meet requirements of para 3.4.2.1 within 30 minutes of removal from water. Evaluation: Panels shall be free
32、of severe chalking, blistering, checking, peeling and severe gloss loss. 3.4.9.2 Florida Weathering Under Glass 1 year submission (FLTM BI 160-01, ISO 105 A-02/AATCC required for new Evaluation Procedure 1) technology only 12 months Rating 4, min Gloss change 30% Report L.a.b. delta E Test parts sha
33、ll be exposed under glass in the Miami, Florida area, black box, under glass at a 5 angle facing South. After the color and gloss measurements, one of the weathered panels shall be subjected to the water immersion test for 24h per FLTM BI 104-01 and meet the requirements of para 3.4.2.1 within 30 mi
34、nutes of removal from water. Evaluation: Panels shall be free of severe chalking, blistering, checking, peeling and severe gloss loss. 3.4.10 Migration Staining, Rating 5 min (FLTM BN 103-01, ISO 105-A02/AATCC Evaluation Procedure 1) ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017
35、, Ford Global Technologies, LLC Page 6 of 9 No evidence of exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face to face with itself. 3.4.11 High Performance Paint Adhesion (Test Method 1 or 2, Record method used on data submission form) Test Method
36、 1 Expose the samples at 80 +/- 2 C and 80 +/- 5% Relative Humidity for 96 hours. FLTM BI 107-05 Adhesion Rating 20 min No loss of gloss or any other surface deterioration. Test Method 2 FLTM BO 160-04 Adhesion (Method A or B) No Adhesion Loss No loss of gloss or any other surface deterioration. 3.4
37、.12 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. 3.4.13 Resistance to Window Cleaner Spotting Rating 4 min Apply 0.25 ml of commercial glass cleaner on test sample using a non-
38、reactive O-ring. Expose the sample at the room temperature for 1h. Evaluate per ISO 105-A02/AATCC Evaluation Procedure 1. No film softening allowed for any solution. 3.4.14 Scratch Resistance (FLTM BO 162-01, visual inspection of paint surface, 1mm scratch pins) Scratch, 2N Rating 1 max Marring, 2N
39、Rating 2 max 3.4.15 Mar Resistance (A&B Gloss Materials) 70% Gloss retention (FLTM BI 161-01, 2 &10 double strokes) No visual mar at all angles 3.4.16 Resistance to Scuffing, 1000 cycles min (SAE J365) Measure and report the paint film thickness of the panel and run a min of 1000 cycles for every 25
40、 micrometer of paint thickness on the panel. See formula in 3.4.4. No wear through of the coating to the substrate. Paint must be sprayed on smooth panels of contrasting color (ex. Black paint on gray substrate) to prevent dry hiding issues. 3.4.17 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A
41、02/AATCC Evaluation Procedure 2, grease and coffee soiling agents only) ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017, Ford Global Technologies, LLC Page 7 of 9 Cleanability Rating 4 min 3.4.18 Resistance to Suntan Lotion Rating 3 max and Insect Repellent, No film degradation (F
42、LTM BI 113-08, 23 C & 74 C) 3.4.19 Perspiration Resistance (FLTM BI 113-06, ISO 105-A02/AATCC Evaluation Procedure 1) Acid Perspiration Solution Rating 4 min Alkaline Perspiration Solution Rating 4 min Sodium Chloride Solution Rating 4 min 3.4.20 Odor, Rating 3 max (FLTM BO 131-03) Perform testing o
43、n an approved substrate. 3.4.21 Humidity Resistance (85 C and 90 %R.H for 96h) No blistering, softening, or loss of adhesion per 3.4.2.1 within 30 minutes of removal from water. 3.5 PROCESS WINDOW DEFINITION The supplier shall perform a Design of Experiments (Response Surface Analysis is recommended
44、) 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 screening experiment should be run to determine what levels should be tested for the variables/parameters. This screening exp
45、eriment 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 3.4.1 Gloss, para 3.3.3 Initial Adhesion, para 3.4.2 Water Resistance, para 3.4.3 Naptha or Xylene Crocking (2K only), FLTM
46、 BN 107-01, 10 cycles Odor para 3.4.20 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS Suppliers desirin
47、g approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility,
48、 demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification ENGINEERING MATERIAL SPECIFICATION WSS-M15J17-A1/A2 Copyright 2017, Ford Global Technologies, LLC Page 8 of 9 testing) with Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent
