1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 02 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9 and 4 2000 11 30 Revised Rev title & updated L. Soreide 1999 11 22 Activated W. Welland, L. Soreide Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page
2、1 of 8 PAINT, COLOR COAT, INTERIOR FLEXIBLE COVERSTOCK WSS-M99J386-A 1. SCOPE The material defined by this specification is a pigmented coating suitable for use as an interior quality coating for flexible substrates. This material is used to help reduce the visible effect of exudation from the cover
3、stock. 2. APPLICATION This specification was released originally for material used as a coating for foamed, thermoplastic polyurethane instrument panels. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTIO
4、N MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 COMPOSITION The supplier will furnish such data upon request. 3.5 PHYSICAL PROPERTIES 3.5.1 Non-Volatile - Weight Solids Application Viscosity (FLTM BI
5、102-01) To be established by the supplier on the initial approved production batch. Tolerance to be +/- 2.0%. 3.5.2 Viscosity: Application (FLTM BI 111-01, #4 Ford Cup) Final approval of a specific material viscosity for production shipments shall be made by the affected manufacturing activity. In a
6、ll cases, the viscosity shall be within specification limits as identified on the material control plan. The viscosity tolerance for any one supplier shall be +/- 10 s, based on the recorded viscosity of the original approved production sample. Shall be established by the supplier on the initial app
7、roved production batch. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 8 3.5.3 Stability (6 months at 23 +/- 2 C) Shall not liver or jell upon standing and must be free from settling which is not dispersed by nor
8、mal agitation. The material shall be protected from freezing during transportation and storage. 3.6 PREPARATION OF TEST PANELS 3.6.1 Substrate Samples must be taken from a production representative part or on production approved thermoformed skin, unless otherwise noted. The samples must contain a p
9、roduction approved foam backing (6 mm) where indicated (para. 3.8.12 and 3.8.15). The color of the substrate must contrast the color of the topcoat, unless specified otherwise. 3.6.2 Color Topcoat Apply the color topcoat to the production required film thickness (20 - 30 microns), or as specified on
10、 the Engineering Drawing. 3.7 APPEARANCE 3.7.1 General The coating shall exhibit no craters, pinholes, solvent popping, seediness, abnormal roughness, or excessive flow. 3.7.2 Color (FLTM BI 109-01, Visual Assessment) (SAE J1545, MA58 Three-Angle CMC) Shall match the Master Approved Sample color pan
11、el. 3.7.3 Gloss (FLTM BI 110-01, ASTM D 523) As released by Engineering: A: 20 Glossmeter, min 90 B: 60 Glossmeter 76 +/- 4 C: 60 Glossmeter 70 +/- 4 D: 60 Glossmeter 62 +/- 3 E: 60 Glossmeter 50 +/- 3 F: 60 Glossmeter 35 +/- 3 G: 60 Glossmeter 20 +/- 3 H: 60 Glossmeter 10 +/- 3 J: 60 Glossmeter 5 +
12、/- 1 K: 60 Glossmeter 3 +/- 1 L: 60 Glossmeter 1.5 + 0.5/-1 The color, pattern and finish shall match the approved Design Center master sample, or shall be as specified on the Engineering Document. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Gl
13、obal Technologies, LLC Page 3 of 8 3.8 FILM PROPERTIES All film properties are based on the proper preparation per para 3.6 and after 72 h (23 +/- 2 C) post cure. New technologies must be approved to all of the tests in para 3.8. Colors of an existing technology need only test to para 3.8.1 through
14、3.8.12. 3.8.1 Film Thickness Requirements 20 - 30 microns, (ASTM B 487 or other as specified on the mutually agreed upon method) Engineering Drawing. 3.8.2 Coating Adhesion (FLTM BI 106-01, Method D) The tape shall not lift or delaminate the surface coating. Less than 5% paint removal with no comple
15、te 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 3.8.3 Water Resistance (FLTM BI 104-01, 24 h) Immediately after removal from the water conduct adh
16、esion testing per para 3.8.2. Less than 5% paint removal with no complete diamonds removed. No blistering or dulling. 3.8.4 Abrasion Resistance, min 250 cycles (SAE J948, CS #10 wheels, 500 g load) per 25 microns The abraded area shall be compatible with the adjacent unabraded area. 3.8.5 Resistance
17、 to Cleaning Agents, min Rating 4 - 5 (FLTM BN 107-01, 10 Cycles, and AATCC Evaluation Procedure 3) Test Method: Saturate white cotton cloth with each cleaner listed below: Dry (no water) Wet (DI Water) All purpose cleaner Window cleaner with ammonia Isopropyl Alcohol (50% in DI Water) 3.8.6 Cleanin
18、g Removal Resistance, % max 5 (FLTM BN 107-01, 500 Cycles) Test Method: Place the painted coverstock strip on the crockmeter and apply 3 mL of vinyl cleaner (EOAZ-19521-AA) to the contact surface. Perform 500 cycles, rinse the cleaner off the strip, and evaluate the percentage of paint removal to th
19、e substrate. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 8 3.8.7 Fogging (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, d
20、roplets or crystals is cause for rejection. 3.8.8 Resistance to Heat Aging (ISO 188/ASTM E 145 Type IIA, min space 2 L/100 cm2of specimen, 21 d (500 h) at 120 +/- 2 C) Test Method: Perform test using the painted vinyl with 6 mm of production approved foam backing. Suspend a sufficient amount of the
21、painted laminate material in the air circulating oven for all heat aging tests. After heat aging, remove the foam backing from the laminate, die cut the test specimens and condition them for 24 h at 23 +/- 2 C and 50 +/- 5% relative humidity prior to testing. 3.8.8.1 Color Stability, min Rating 3 (A
22、ATCC Evaluation Procedure 1/ISO 105-A02) Shall show no evidence of tackiness, spewing, or exhibit staining. Hue change in the positive delta b range in the calculation should be reported. Any spotty or non-uniform staining shall be cause for rejection. 3.8.8.2 Cold Flexibility No cracks (180 bend at
23、 -30 C over a 19 - 20 mm diameter mandrel, specimen size 50 x 150 mm) Remove foam and bend with foam side of skin to mandrel at the specified temperature. 3.8.8.3 Elongation at Break -5% Change From Original Value, max (ISO R 527, type 2/ ASTM D 638M, type M-II 100 mm/minute test speed. Test with fo
24、am backing removed. 3.8.9 Cold Impact Rating 0 (FLTM BO 151-02, -35 C) 3.8.10 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A02/AATCC Evaluation Procedure 1) Cleanability Rating 3 ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technolog
25、ies, LLC Page 5 of 8 3.8.11 Resistance to Fade The material shall not exhibit staining, color tone change or change in hue in excess of specified CMC readings, after exposure in accordance with fade testing below. Read and report the gloss change. In addition, there shall be no cracking, crazing or
26、other deterioration. The material must remain flexible and exhibit no cracking when bent around a 20 +/- 2 mm mandrel after the specified exposure. Remove foam and bend with foam side of skin to the mandrel. 3.8.11.1 Arizona Weathering, min Rating 4 (DVM-0020, 1000 h, 100 C) Delta Ecmc 1.5 (One subm
27、ission per color per technology minimum, One instrument panel, full construction of darkest color, other colors may be full construction sections) 3.8.11.2 Florida Weathering, min Rating 4 (FLTM BI 160-01, under Delta Ecmc 1.5 glass, 5 South direct, backed, 12 months, ISO 105-A02/AATCC evaluation pr
28、ocedure 1) (New technology approval only if mutually agreed upon by the Materials Engineering and Design Activities.) 3.8.11.3 Xenon Arc Weather-o-meter (SAE J1885, with optional cut-off filter for wavelengths below 335 nm) Ratings with optional cut off filter: 489 kJ/m2exposure Rating 4-5 (applicat
29、ions below the Delta Ecmc 1.5 beltline) 1500 kJ/m2 exposure, max Rating 4-5 Delta Ecmc 1.5 Ratings without optional cut off filter: 489 kJ/m2exposure Rating 4 (applications below the beltline) 1500 kJ/m2exposure, max Rating 3 When using optional cut off filters, use an appropriate wavelength to moni
30、tor the irradiance. Calibration should be performed at the monitored wavelength. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 6 of 8 The xenon arc panel size shall be approximately 60 x 150 mm with 1/3 area protecte
31、d from exposure. Duplicate panels are required, one for appearance evaluation and one for coating adhesion after 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 evaluated per para 3.8.
32、3. For routine color approval of existing technologies, accelerated weathering results will be used for approval until natural weathering results are available. Note: In case of differences in the test results between Arizona/Florida exposure and the accelerated weathering the results of the Arizona
33、/Florida exposure shall prevail. 3.8.12 Flexibility at -35 C No cracks (FLTM BN 102-01, except 180 bend over 19 - 20 mm diameter mandrel) 3.8.13 Simulated Sunload Test (Design Verification Method DVM-0024-MA) 3.8.14 Resistance to Marring (SAE J365, 10 cycles) No severe change in gloss, mar can almos
34、t be removed with four rubs of the thumb across the mar. 3.8.15 Migration Staining, min Rating 3 (FLTM BN 103-01, ISO 105 A-02/AATCC Evaluation Procedure 1) No evidence of exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face to face with itself or
35、white vinyl per WSB-M2F177-A. 3.8.16 Resistance to Suntan Lotion Rating 3 and Insect Repellent - Flexible, max 24 C and 74 C for 1 h The suntan lotion must have a SPF factor of at least 30, contain Ethylhexyl p-methoxycinnamate and must be waterproof. The insect repellent must have at least 20% N, N
36、-diethyl-meta-toluamide. Place 0.25 ml of solution on the test sample using a 20 +/-1 mm I.D. O-ring made of a non-reactive material if needed to control the flow of the test solutions. Expose the sample at the test temperature for 1 h. Immediately remove from test temperature and wipe off the solut
37、ion. Evaluate samples for visual effect and rate the area inside the ring. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 7 of 8 Rating: 1) No visual effect 2) Ratings 4 - 6 repairable with no visual effect. Repair mu
38、st meet the rest of the specification. Only the instrument panel area may be repaired not the air bag seam area defined as 2 inch outboard of character groove and the entire airbag door. 3) Spotting/discoloration/recoverable softening/wrinkling 4) Softening 5) Blistering/delamination 6) Coating diss
39、olved 3.8.17 Thermal Shock Test for Paint Rating 19 Adhesion, min (FLTM BI 107-05) No loss of gloss or any other surface deterioration. 3.8.18 Resistance to Dynamic, min Rating 4-5 Exudation (ISO 105-A02/AATCC Evaluation procedure 1) Place full construction samples in a chamber that can maintain the
40、 conditions of FLTM BI 104-02 for 7 days. Whitening, blooming, spewing, injurious exudation, etc on the surface of the samples shall be cause for rejection. To be used for initial technology approval only. 3.8.19 Intercoat Adhesion, max Grade 0 (FLTM BI 106-02) Good adhesion is required for either s
41、ame color repair or two-tone combination. Neither color nor gloss change is allowed between first coat and repair or two-tone coat. Only the instrument panel area may be repaired or two-toned not the air bag seam area defined as 50 mm outboard of character groove and the entire airbag door. 3.8.20 S
42、cuff Resistance 250 cycles (SAE J365, A head, 0.9 kg load) No evidence of lifting, peeling or excessive scuffing. The scuffed area must be compatible with the adjacent unscuffed area. ENGINEERING MATERIAL SPECIFICATIONWSS-M99J386-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 8 of 8 3.8.21 Water and Soap Spotting Resistance Rating 4 - 5 (FLTM BI 113-01/AATCC Evaluation Procedure 3) No film softening. 3.8.22 Acid Spotting Resistance Rating 4 - 5 (FLTM BI 113-02/AATCC Evaluation Procedure 3)
