1、 ENGINEERING MATERIAL SPECIFICATION PAINT PERFORMANCE, 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 u
2、se. 2. APPLICATION This specification was released 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
3、 must be selected from the Painted Parts Strategy 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 1000 = # cycles 25m Xm #cycles= (Xm)(1000) 25m Where Xm = additional microns of
4、 film build Testing to be done on smooth plaques. The Control Plan shall state the film thickness as specified in para. 3.2.6. Note: This requirement is not for Scratch Resistant lens coatings. 3.4.4 IMPACT RESISTANCE- ROOM TEMPERATURE (23+/-2 C) Required for scuff plates, floor consoles, load floor
5、s, seating components, door map pockets or any other parts as required by Ford Engineering. 3.4.4.1 Rubber Ball 4.5 kg weight, 127 mm dia, 60 +/- 5 Durometer “A” Test Method: Conduct this test with the trim assembly mounted on an actual or simulated production support foundation using approved reten
6、tion methods. Drop the rubber ball from the height specified below at the impact locations indicated on the Engineering Drawing. Copyright 2015 Ford Global Technologies, LLC Page 4 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Drop Height Scuff plates and Load Floor 610 +/- 1 mm Load Floor
7、500 +/- 1 mm Below Belt Line 460 +/- 1 mm Above Belt Line 305 +/- 1 mm The assembly shall show no evidence of cracking or breaking and shall fully recover from indentation. 3.4.5 Resistance to Cleaning Agents Rating 4 (FLTM BN 107-01, 10 cycles, AATCC Maximum discoloration Evaluation Procedure 2) Te
8、st Procedure: Saturate white cotton cloth with the cleaners listed. Evaluate according to the AATCC Scale. 3.4.5.1 Window cleaner Any commercially available 3.4.5.2 All purpose cleaner Any commercially available 3.4.5.3 50/50 IPA and Clean Water 3.4.6 Crocking for painted components Rating 4 min (FL
9、TM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) 3.4.6.1 Deionized water 3.4.6.2 Dry (no cleaners) 3.4.7 Long Term Heat Exposure Rating 4 min (ISO 105-A02/AATCC Procedure 1) Test one previously unexposed part as follows: 3.4.7.1 Horizontal or vertical parts AT OR ABOVE THE BELT-LINE: (7 days a
10、t 100 +/- 2 C) 3.4.7.2 Horizontal or vertical parts BELOW THE BELT-LINE: (7 days at 90 +/- 2 C) 3.4.7.3 Non-sunloaded floor level parts. (7 days at 80 +/- 2 C) Appearance Evaluation: No evidence of cracks, blisters or change in gloss when compared with original unaged sample. After heat exposure, im
11、merse 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 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
12、 softening within 24 hours after removal from the water. The temperature at which the parts were tested must be clearly reported on the PSW or the laboratory report. Copyright 2015 Ford Global Technologies, LLC Page 5 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 3.4.8 Short Term Heat, Humi
13、dity and Cold Cycle Rating 4 min (ISO 105-A02/AATCC Procedure 1) 3.4.8.1 Horizontal or vertical parts AT OR ABOVE THE BELT-LINE (e.g. sail; A-, B-, C, and D-Pillars; upper quarter panels; center finish panels, demisters and roof-rail moldings): . 5 h at -40 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/-
14、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 -40 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 100 +/- 2 C
15、 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 -40 +/- 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 humidity . 2 h at 50 +/- 2 C and 95 +
16、/- 5% Relative humidity . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at -40 +/- 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 -40 +/- 2 C . 30 min at 23 +/- 2 C and
17、 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 -40 +/- 2 C . 30 min at 23 +/- 2 C and 50 +/- 5% Relative humidity . 5 h at 80 +
18、/- 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 the water on all paint systems. Par
19、t 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 reported on the PSW or the laborator
20、y report. Copyright 2015 Ford Global Technologies, LLC Page 6 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 3.4.9 Resistance to Fade 3.4.9.1 Accelerated Xenon Weathering (FLTM BO 116-01 or SAE J2412*, ISO 105 A-02 /AATCC Evaluation Procedure 1) *Note: The FLTM is the preferred method. Inclu
21、de 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, parcel shelf assembly/package tray, interior rear view mirror housing. 3609.6
22、 kJ/m21504.0 kJ/m2Rating 4 Heavy Exposure: Instrument panel lower top cover, 2 tone IP, IP bezel, airbag, steering wheel, message center, appliqus and center finish panel. 2406.4 kJ/m21240.8 kJ/m2Rating 4 Above the Belt-line: Instrument panel lower, door trim, interior trim, pillars, garnish molding
23、s, seats, head rest, sunshade, sun visor, seat belt webbing & loops, exposed load floor trim, and luggage cover 977.6 kJ/m2488.8 kJ/m2Rating 4 Below the Belt-line: Floor console, radio, radio bezel and lower floor molding. 601.6 kJ/m2300.8 kJ/m2Rating 4 Mild Exposure: Lower trim panels, overhead con
24、sole, headliner, moon roof, carpet and floor mats. 225.6 kJ/m2112.8 kJ/m2Rating 4 The parts 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 ratin
25、g. After the color and gloss measurements, 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 the water on all paint systems. Part must meet the adhesion requirements of 3.4.1 and show no blistering, softening. Copyright 2015 Fo
26、rd Global Technologies, LLC Page 7 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 Water based paints shall recover completely for blistering and softening within 24 hours after removal from the water. 3.4.9.2 Florida Weathering Under Glass 1 year submission (FLTM BI 160-01, ISO 105 A-02/AATC
27、C required for new Evaluation Procedure 1) technology only 12 months Rating 4, min Gloss change 30% Report 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
28、panels shall be subjected to the water immersion test for 24 h per FLTM BI 104-01 and meet the requirements of para 3.5.2.1. 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 c
29、over half of the panel. Good adhesion is required for either same color repair or tutone combination. Color 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
30、min (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. 3.4.12 High Performance Paint Adhesion* * Include method used on data submission form 3.4.12.1 H
31、igh Pressure Cleaning (preferred) 5mm2max (FLTM BO 160-04) No loss of gloss or any other surface deterioration 3.4.12.2 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 deter
32、ioration. 3.4.13 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. Copyright 2015 Ford Global Technologies, LLC Page 8 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 3.4.14 R
33、esistance to Window Cleaner Spotting Rating 4 min (ISO 105-A02/AATCC Evaluation Procedure 1) Apply 0.25 ml of commercially available glass 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 Sc
34、uffing (SAE J365, smooth plaque, 1000 cycles) Measure and report the paint film thickness on the plaque. Run 1000 cycles and then an additional 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
35、.1 Scratch Resistance (FLTM BO 162-01, visual inspection of paint surface, 1 mm scratch pins) Scratch, 2N Rating 1 max Marring, 2N Rating 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
36、% 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, ISO 105-A02/AATCC Evaluation Procedure 2, grease and coffee soiling agents only) Cleanability Rating 4 min 3.4.18 Resistance to Suntan Lotion Rating 3 max and Inse
37、ct Repellent No loss of adhesion (FLTM 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 Humidity Resistanc
38、e (85 C and 90% R.H for 96hr) No blistering or softening. Adhesion must meet para 3.4.1. Copyright 2015 Ford Global Technologies, LLC Page 9 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) F
39、og Number, 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.6 FLAMMABILITY (ISO 3795) Burn Rate 100 mm/min max The specimen size required 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) 3.8 ABRASION AND P
40、AINT WEAR RESISTANCE USING THE ABREX MACHINE (FLTM BN 155-01, ISO I105-A02/AATCC Procedure 1, metallic paint and pad printing must be tested on production representative parts. If a flat surface is not available, then surrogate panels painted in the production facility can be used as surrogate.) Mat
41、erials Load (N) # of Cycles AATCC Color Change Abraded Area Metallic Paint 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 requirements of paragraph 3.2.6. 3.9 BONDED EMBLEMS AND BADGES (when 100
42、% adhesively bonded to the visible surface) (FLTM BN 151-05 Method C except pull at 90 deg and age per paragraph 3.2.7) For 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 Ini
43、tial bond strength 0.48 N/mm width min. 3.9.2 Bond strength after Long Term Heat Minimum 75% of Initial (Per Paragraph 3.4.7) 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 C
44、opyright 2015 Ford Global Technologies, LLC Page 10 of 12 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-B1 3.10 PROCESS WINDOW DEFINITION The supplier shall perform a Design of Experiments (Response Surface Analysis is recommended) to determine the process window of the substrate/paint combination.
45、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. An initial screening experiment should be run to determine what levels s
46、hould 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 3.2.6 Gloss, para 3.3.2 Initial Adhesion, para 3.4.1 Water
47、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 limited to the following Information: 1) Film Thickness, para 3.2.6 once
48、 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 clarification and assistance in meeting the requirements of this specifi
49、cation. 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. o 3.3.2 Added R gloss specification. o 3.4.3 Abrasion Resistance added formula. o 3.4.4 Changed Impact Resistance requirements to room temperature. Bring specification in line with WSS-M15P4-F and WSS-M15P34 specifications. o 3.4.9.1 Resistance to Fade SA
