1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 2 2017 12 01 Revision See Summary of revisions J. Bilko NA 2015 01 16 Revision Edit Table 1 J. Bilko NA 2014 10 20 Released J.Bilko, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 13 PAINT PERF
2、ORMANCE, PLASTIC SUBSTRATES, INTERIOR WSS-M2P188-B1 1. SCOPE This specification defines the performance requirements for decorative coatings including paint, soft coating paint, and interior scratch resistant coatings on plastic substrates for interior use. 2. APPLICATION This specification was rele
3、ased originally to define paint performance requirements for various painted interior applications such as rigid instrument panels, console, center finish panel, bezels, switches, glove box lids, pillar coverings, etc. 3. REQUIREMENTS The paint materials must be selected from the Painted Parts Strat
4、egy List using paints from suppliers on the Ford Approved Source List (ASL), unless a waiver is granted by Materials Engineering. All parts must also meet the appropriate DVP A-, B-, C, and D-Pillars; upper quarter panels; center finish panels, demisters and roof-rail moldings): . 5 h at -30 +/- 2 C
5、 . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 100 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 2 h at 50 +/- 2 C and 95 +/- 5% Relative humidity . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Rel
6、ative humidity . 5 h at 100 +/- 2 C 3.4.8.2 Horizontal or vertical parts BELOW THE BELT LINE (e.g. lower door panels, lower quarter trim panels, consoles). . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 90 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative hu
7、midity . 2 h at 50 +/- 2 C and 95 +/- 5% Relative humidity . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 90 +/- 2 C 3.4.8.3 Scuff Plates, kick panels and other non-sun loaded floor level parts. . 5 h at -30
8、 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 80 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 2 h at 50 +/- 2 C and 95 +/- 5% Relative humidity . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at -30 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/-
9、 5% Relative humidity . 5 h at 80 +/- 2 C Appearance Evaluation: No evidence of cracks, blisters or change in gloss when compared with original non-aged sample. After exposure, immerse parts in water for 24 h per FLTM BI 104-01 and then adhesion test per para 3.4.1 within 30 minutes of removal from
10、the water on all paint systems. Part must meet the adhesion requirements of 3.4.1 and show no blistering, softening. Water based paints shall recover completely for blistering and softening within 24 hours after removal from the water. The temperature at which the parts were tested must be clearly r
11、eported on the PSW or the laboratory report. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 7 of 13 3.4.9 Resistance to Interior Weathering 3.4.9.1 Accelerated Xenon Weathering (FLTM BO 116-01 or SAE J2412*, AATCC Evaluation Procedure 1) *Note: The
12、 FLTM is the preferred method. Include method used on the data submission form. In Vehicle Sunlight Exposure Level FLTM BO 116-01 Test Exposure SAE J2412 Test Exposure AATCC Rating After Exposure, min. Severe Exposure: Instrument panel top, defroster grille, 3609.6 kJ/m2 1504.0 kJ/m2 Rating 4 Heavy
13、Exposure: Instrument panel lower top cover, 2 tone IP, IP bezel, IP registers, airbag, steering wheel, message center, appliqus, parcel shelf assembly/package tray and center finish panel, door trim top rollover 2406.4 kJ/m2 1240.8 kJ/m2 Rating 4 Medium Exposure: Instrument panel lower, door trim, i
14、nterior trim, pillars/grab handles, garnish moldings, seat back plastics, head rest plastics, sunshade, sun visor, seat belt webbing & loops, exposed load floor trim, luggage cover, interior rear view mirror housing, interior tonneau, radio, radio bezel. 977.6 kJ/m2 488.8 kJ/m2 Rating 4 Mild Exposur
15、e: Floor console, side seat shields, and seat plastics below the belt line 601.6 kJ/m2 300.8 kJ/m2 Rating 4 Low Exposure: Lower floor panels, lower door trim panels, overhead console, headliner grab handles, moon roof, carpet and floor mats, seat track covers 225.6 kJ/m2 112.8 kJ/m2 Rating 4 The par
16、ts tested shall be completely free from evidence of cracking, checking, blistering, and peeling. Read and report the gloss change per FLTM BI 110-01. Note gloss change will be a factor in the overall AATCC rating. After the color and gloss measurements, immerse parts in water for 24 h per FLTM BI 10
17、4-01 and then adhesion test per para 3.4.1 within 30 minutes of removal from the water on all paint systems. Part must meet the adhesion requirements of 3.4.1 and show no blistering, softening. Water based paints shall recover completely for blistering and softening within 24 hours after removal fro
18、m the water. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 8 of 13 3.4.9.2 Florida Weathering Under Glass 1 year submission (FLTM BI 160-01, AATCC required for new Evaluation Procedure 1) technology only 12 months Rating 4, min Report only Gloss c
19、hange L.a.b. delta E Test parts shall be exposed under glass in the Miami, Florida area, blackbox, 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 24 h per FLTM BI 104-01 and meet the requir
20、ements of para 3.4.1. 3.4.10 Intercoat Adhesion (For Repair & Tutone Only) (FLTM BI 106-01, Method D, knife) The first coat shall cover the entire test panel and the repair/tutone coat shall only cover half of the panel. Good adhesion is required for either same color repair or tutone combination. C
21、olor and gloss shall match between the virgin coat and the repair coat of the same color. The processing window for the repair/two-tone coat shall be identified. 3.4.11 Migration Staining Rating 5 min (FLTM BN 103-01, AATCC Evaluation Procedure 1) No evidence of exudation, adhesion (tackiness), sepa
22、ration, color transfer, or flattening of embossing when placed face to face with itself. 3.4.12 High Performance Paint Adhesion* * Include method used on data submission form 3.4.12.1 High Pressure Cleaning (preferred) 5mm2 max (FLTM BO 160-04) No loss of gloss or any other surface deterioration 3.4
23、.12.2 Thermal Shock Rating 19 min (Expose the samples at 80 +/- 2 C and 80 +/- 5% Relative Humidity for 96 hours then test per FLTM BI 107-05. No loss of gloss or any other surface deterioration. 3.4.13 Resistance to Water and Soap Rating 4 Spotting max discoloration (FLTM BI 113-01, AATCC Evaluatio
24、n Procedure 1) No film softening allowed for any solution. 3.4.14 Resistance to Window Cleaner Spotting Rating 4 min (AATCC Evaluation Procedure 1) ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 9 of 13 Apply 0.25 ml of commercially available glass
25、 cleaner on the test sample using a non-reactive O-ring. Leave at room temperature for 1 hour. No film softening allowed for any solution. 3.4.15 Resistance to Scuffing (SAE J365, smooth plaque, 1000 cycles) Measure and report the paint film thickness on the plaque. Run 1000 cycles and then an addit
26、ional 1000 cycles for every 25 micrometer of paint. See formula in 3.4.3. No wear through of the coating to the substrate. 3.4.16 Resistance to Scratching, 3.4.16.1 Scratch Resistance (FLTM BO 162-01, visual inspection of paint surface, 1 mm scratch pins) Scratch, 2N Rating 1 max Marring, 2N Rating
27、2 max 3.4.16.2 Scratch Resistance for Scratch Resist Coatings No Visual Scratch (FLTM BN 107-01, 150 cycles, Dry) 3.4.16.3 Mar Resistance (A&B Gloss Materials) 70% Gloss retention (FLTM BI 161-01, 2 and 10 double strokes) No visual mar at all angles 3.4.17 Soiling and Cleanability (FLTM BN 112-08, A
28、ATCC Evaluation Procedure 2, grease and coffee soiling agents only) Cleanability Rating 4 min 3.4.18 Resistance to Suntan Lotion Rating 3 max and Insect Repellent No film degradation (FLTM BI 113-08, 23 C & 74 C) 3.4.19 Perspiration Resistance (FLTM BI 113-06, AATCC Evaluation Procedure 1) Acid Pers
29、piration Solution Rating 4 min Alkaline Perspiration Solution Rating 4 min Sodium Chloride Solution Rating 4 min 3.4.20 Humidity Resistance (85 C and 90% R.H for 96hr) No blistering or softening. Adhesion must meet para 3.4.1. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Glob
30、al Technologies, LLC Page 10 of 13 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Test sample preparation: For parts with any back side adhesively attached items (i.e. felt, flock, tape, hook and loop, foam, etc.) test samples should be cut fro
31、m areas that include the largest amount of each attached item. For shipping, all materials or parts shall be sampled immediately after manufacture, then bagged in a zipper- or slide-sealed polyethylene (PE) bag, PE-coated aluminum bag or wrapped in aluminum foil prior to bagging. Test specimens shal
32、l be cut, then stored in a clean, open environment for 14-28 days. After 14-28 days of air exposure, the specimens shall be tested immediately or re-bagged until testing can be performed. Bagged materials or parts must be labelled on the outside of the bag with the following information, and include
33、d in the test report: supplier, contact information, product code/trade name or part number, manufacturing location, date of manufacture, shipping date, start and end dates of conditioning period and test date. Fog Number, 70 min Formation of clear film, droplets or crystals is cause for rejection.
34、3.6 FLAMMABILITY (ISO 3795) Test sample preparation: For parts with any back side adhesively attached items (i.e. felt, flock, tape, hook and loop, foam, etc.) test samples should be cut from areas that include the largest amount of each attached item. Burn Rate 100 mm/min max The specimen size requ
35、ired for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a smooth surface. 3.7 ODOR Rating 3 max (FLTM BO 131-03) Test sample preparation: For parts with any back side adhesively attached items (i.e. felt, flock, tape, hook and loop, foam, etc.) test samples should be cut from areas that includ
36、e the largest amount of each attached item. 3.8 ABRASION AND PAINT WEAR RESISTANCE USING THE ABREX MACHINE (FLTM BN 155-01, AATCC Procedure 1, mono-coat metallic paint and pad printing must be tested on production representative parts. If a flat surface is not available, then surrogate panels painte
37、d in the production facility can be used as surrogate.) Materials Load (N) # of Cycles AATCC Color Change Abraded Area Metallic Paint (mono-coat) 5 30,000 4 min No paint wear through Rate and report the initial and final color, initial gloss and paint film thickness. Paint film thickness must meet r
38、equirements of paragraph 3.2.6. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 11 of 13 3.9 BONDED EMBLEMS AND BADGES (when 100% adhesively bonded to the visible surface) (FLTM BN 151-05 Method C except pull at 90 deg and age per paragraph 3.2.7) F
39、or Badges modify set up to pull one edge 90 deg at 25 mm/min. During aging, part orientation should simulate in vehicle position (i.e. horizontal, vertical, upside down) 3.9.1 Initial bond strength 0.48 N/mm width min. 3.9.2 Bond strength after Long Term Heat Minimum 75% of Initial (Per Paragraph 3.
40、4.7) no visual change in appearance 3.9.3 Bond strength after Short Term Heat, Minimum 75% of InitialHumidity and Cold Cycle no visual change in (Per Paragraph 3.4.8) appearance 3.10 PROCESS WINDOW DEFINITION The supplier shall perform a Design of Experiments (Response Surface Analysis is recommende
41、d) to determine the process window of the substrate/paint combination. The variables/parameters to be included in the design should include hardener ratio, flash-off time, bake temperature, bake time, and film thickness. The parameters to be investigated shall be decided by the materials engineer. A
42、n initial screening 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 Thic
43、kness, para 3.2.6 Gloss, para 3.3.2 Initial Adhesion, para 3.4.1 Water Resistance, para 3.4.2 Naptha or Xylene Crocking (2K only), FLTM BN 107-01, 10 cycles 50/50 Isopropyl Alcohol (1K only), FLTM BN 107-01, 10 cycles 3.11 Control Plans and PFMEAs The suppliers Control Plan must include but is not l
44、imited to the following Information: 1) Film Thickness, para 3.2.6 once per shift/color 2) Cure, para 3.2.9 once per shift/color 2) Color & Gloss, para 3.3.2 once per shift/color 3) Initial Adhesion, para 3.4.1 once per shift/color 4. GENERAL INFORMATION The information given below is provided for c
45、larification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 HISTORY OF SUFFIX CHANGE FROM A1 to B1 Indexed WSS-M2P188-A1 to B1 due to specification requirement changes. o Removed Pad Printing applications.
46、o 3.3.2 Added R gloss specification. o 3.4.3 Abrasion Resistance added formula. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 12 of 13 o 3.4.4 Changed Impact Resistance requirements to room temperature. Bring specification in line with WSS-M15P4-F
47、 and WSS-M15P34 specifications. o 3.4.9.1 Resistance to Fade SAE J2412 Below the Belt-line requirement 300.8 kJ/m. o 3.4.9.2 Add Resistance to Florida Weathering requirement. o 3.4.6 Resistance to Scratching added Mar Resistance FLTM BI 161-01 for high gloss applications. 5. SUMMARY OF REVISIONS 201
48、7 12 01 3.5 3.7 added test sample preparation to Fogging, Odor, Flammability 3.2.6 Film Thickness Added additional method FLTM BI 170- 01 3.4.3 Abrasion Resistance brought verbiage in line with material specifications. 3.4.8 Short Term Heat, Humidity and Cold Cycle, cold cycle changed to -30C from -
49、40C to match material and mold in color specifications. 2015 01 16 Revised table 1 to correct misalignment of rows, Xs. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Copyright 2017 Ford Global Technologies, LLC Page 13 of 13 Table 1 Test Requirements for Process and Product Validation (Note 2) Column 1 Column 2 Column 3 Column 4 Sample size per color New Applicator/ Facility or Non Approved Applicator Change in Approved Paint System, Primer, or Substrate New
