1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 5 2014 10 20 N Status Replaced by WSS-M2P188-B1 J. Bilko, NA 2011 06 13 Revised Corrected error in test method number, para 3.4.7 and 3.4.8 2002 04 22 Activated M. Garcia-Santamaria, A. Haggie, A. Weakley, L. Soreide Controlled document
2、at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 13 PAINT PERFORMANCE, PLASTIC SUBSTRATES, INTERIOR WSS-M2P188-A1 NOT TO BE USED FOR NEW DESIGN 1. SCOPE This specification defines the performance requirements for decorative coatings including paint, soft coating paint, pad printin
3、g, and interior scratch resistant coatings on plastic substrates for interior use. 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, switc
4、hes, glove box lids, pillar coverings, etc. 3. REQUIREMENTS The paint materials 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
5、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 +/- 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
6、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 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
7、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 +/- 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% Rel
8、ative 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 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% Re
9、lative 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 +/- 2 C Appearance Evaluation: No evidence of cracks, blisters or change in gloss when compared with original unaged sample. After exposure,
10、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, or dulling. Water based paints shall recover completely for
11、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 laboratory report. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-A1 Copyright 2014, Ford Global Technologies, LLC Page 7 of 13 3.4.9 Resist
12、ance to Fade (FLTM BO 116-01 or SAE J2412*, ISO 105 A-02/AATCC Evaluation Procedure 1) *Note: The 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. S
13、evere Exposure: Instrument panel top, defroster grille, parcel shelf assembly/package tray, interior rear view mirror housing. 3609.6 kJ/m2 1504.0 kJ/m2 Rating 4 Heavy Exposure: Instrument panel lower top cover, 2 tone IP, IP bezel, airbag, steering wheel, message center, appliqus and center finish
14、panel. 2406.4 kJ/m2 1240.8 kJ/m2 Rating 4 Above the Belt-line: Instrument panel lower, door trim, interior trim, pillars, garnish moldings, seats, head rest, sunshade, sun visor, seat belt webbing & loops, exposed load floor trim, and luggage cover 977.6 kJ/m2 488.8 kJ/m2 Rating 4 Below the Belt-lin
15、e: Floor console, radio, radio bezel and lower floor molding. 601.6 kJ/m2 225.6 kJ/m2 Rating 4 Mild Exposure: Lower trim panels, overhead console, headliner, moon roof, carpet and floor mats. 225.6 kJ/m2 112.8 kJ/m2 Rating 4 The parts tested shall be completely free from evidence of cracking, checki
16、ng, 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 104-01 and then adhesion test per para 3.4.1 within 30 minutes of remo
17、val from the water on all paint systems. Part must meet the adhesion requirements of 3.4.1 and show no blistering, softening, or dulling. Water based paints shall recover completely for blistering and softening within 24 hours after removal from the water. . ENGINEERING MATERIAL SPECIFICATION WSS-M2
18、P188-A1 Copyright 2014, Ford Global Technologies, LLC Page 8 of 13 3.4.10 Intercoat Adhesion (For Repair & Tutone Only) (FLTM BI 106-01, Method D) 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
19、 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 min (FLTM BN 103-01, ISO 105-A02/AATCC Evaluation Procedure 1) No
20、 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 High Pressure Cleaning (Preferred) 5mm2 max for (FLTM BO 160-04) P
21、P:EPDM. Other substrates rate and No loss of gloss or any other surface deterioration report 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 deterioration. 3.4.13 R
22、esistance 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. 3.4.14 Resistance to Window Cleaner Spotting Rating 4 min (ISO 105-A02/AATCC Evaluation Procedure 1) Apply 0.25 ml of commercially av
23、ailable 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. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-A1 Copyright 2014, Ford Global Technologies, LLC Page 9 of 13 3.4.15 Resistance to Marring (SAE J365,
24、10 cycles) A and B gloss surfaces 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. C L gloss surfaces No evidence of discoloration, mar can be removed with four rubs of the thumb across the mar
25、. 3.4.16 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 additional 1000 cycles for every 25 micrometer of paint. No evidence of lifting, peeling, excessive scuffing or no discoloration of the surfac
26、e. No permanent parallel deformation to the surface. No wear through of the coating to the substrate. 3.4.17 Resistance to Scratching, 3.4.17.1 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 3.4.17.2 Scratc
27、h Resistance for Scratch Resist Coatings No Visual Scratch (FLTM BN 107-01, 150 cycles, Dry) 3.4.18 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A02/AATCC Evaluation Procedure 2, grease and coffee soiling agents only) Cleanability Rating 4 min 3.4.19 Resistance to Suntan Lotion Rating 3 max and
28、 Insect Repellent No loss of adhesion (FLTM BI 113-08, 23 C & 74 C) 3.4.20 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 3.4.21 Humidity Resi
29、stance (85 C and 90% R.H for 96hr) No blistering or softening. Adhesion must meet para 3.4.1. ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-A1 Copyright 2014, Ford Global 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
30、16 h) Fog Number, 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/min 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 ABRASI
31、ON AND PAINT 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 surroga
32、te.) Materials Load (N) # of Cycles AATCC Color Change Abraded Area Pad Printed 5 30,000 NA Graphics must be readable 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 o
33、f paragraph 3.1.6. For Pad Printing, number of hits must be reported and represent production process. 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 3.4.7 & 3.4.8) For Badges modify set up to pu
34、ll 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 3.4.7) no visual change in appe
35、arance 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 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-A1 Copyright 2014, Ford Global Technologies, LLC Page 11 of 13 3.10 PROCESS WINDOW DEFINITION The supplie
36、r shall perform a Design of Experiments (Response Surface Analysis is recommended) 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.
37、 The parameters to be investigated shall be decided by the materials engineer. An 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. Respo
38、nses 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 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.
39、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 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
40、shift/color 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5. SUMMARY OF REVISIONS 2011 06 13 Corrected test method number in 3.4.7 and 3.4.8 (was ISO 150-A02) 02/17/11 o 3.1 Removed duplicate paragra
41、ph o 3.2.6 Reformatted paragraph o 3.2.9 added o 3.4.1.2 added Max o 3.4.13 Added Requirements to alternative method o 3.4.9 Changed title o 3.4.17 Renumbered & added 3.6.19.2 o 3.11 added o Renumbered entire Documnet o Table 1 Added column numbers, removed New Color column ENGINEERING MATERIAL SPEC
42、IFICATION WSS-M2P188-A1 Copyright 2014, Ford Global Technologies, LLC Page 12 of 13 2008 09 18 o Removed NA only/EU only wording throughout specification o 3.4.1 Added DV & PV definitions for paint o 3.4.6 Added DFT for all paint systems o 3.6.2 removed visual rating requirement o 3.6.3.2 removed Ab
43、rasion testing on Grained plaques o 3.6.9 Revised to Global template o 3.6.18 added requirement of no discoloration of the surface o 3.6.21 added clarification statement that both 23 C & 74 C need to be tested o 3.6.23 testing added to simulate shipping parts o 3.9 changed method from BO 131-01 to B
44、O 131-03 o Table 1 added Note 1 & 2 ENGINEERING MATERIAL SPECIFICATION WSS-M2P188-A1 Copyright 2014, 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
45、 Non Approved Applicator Change in Approved Paint System, Primer, or Substrate New Paint Technology New Part/New Color existing paint technology (signed MCDCC), approved applicator and substrate Test Colors One light, one dark, & one metallic One light, one dark, & one metallic All Each 3.2.6 Film T
46、hickness 1 X X X X 3.3 Appearance 1 X X X X 3.4.1 Adhesion 3 X X X X 3.4.2 Water Resistance 3 X X X X 3.4.3 Abrasion Resistance 1 X X X 3.4.4 Resistance to Impact at Low Temperatures 1 X X X 3.4.5 Resistance to Cleaning Agents 1 X 3.4.6 Crocking 1 X X 3.4.7 Long Term Heat Exposure 1 X X X X 3.4.8 Sh
47、ort Term Heat, Humidity and Cold Cycle 1 X X X 3.4.9 Resistance to Accelerated Weathering 1 X (Note 1) X (Note 1) X 3.4.10 Intercoat Adhesion 1 X X 3.4.11 Migration Staining 1 X X 3.4.12 High Performance Paint Adhesion 3 X X X 3.4.13 Resistance to Water and Soap 1 X X 3.4.14 Resistance to Window Cle
48、aner Spotting 1 X X 3.4.15 Resistance to Marring 1 X X 3.4.16 Resistance to Scuffing 1 X X 3.4.17 Resistance to Scratching 1 X X 3.4.18 Soiling and Cleanability 1 X 3.4.19 Resistance to Suntan Lotion/Insect 1 X X X 3.4.20 Perspiration Resistance 1 X X 3.4.21 Humidity Resistance 1 X X X X 3.5 Fogging
49、 1 X X X 3.6 Flammability 1 X X X 3.7 Odor 1 X X X 3.8 Abrasion and Paint Wear (Abrex)-Metallic paint and pad print only* 1 X* X* X* 3. 9 Bonded emblems and badges X X X X * - Metallic paint and pad print only Note 1: Weathering test can be waived by Materials Engineering with appropriate supporting data Note 2: This table is only for approved paint technologies as shown on Ford Approved Source List otherwise full WSS-M2P188-A specification testing is req
