1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2008 11 25 N-STATUS Replaced by WSS-M15J14-A1/A2, WSS-M15J15-A1/A2 rev para 3.7.7, 3.7.8, 3.7.9, 3.7.11, 3.7.14, 3.7.21; added 3.7.25 C. Lin1997 10 01 Activated D. Bogrette, A. Weakley, L. Soreide Printed co
2、pies are uncontrolled Page 1 of 15 Copyright 2008, Ford Global Technologies, Inc. PAINT, TWO COMPONENT COLOR COAT FOR PLASTIC, WSS-M15J13-A INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a pigmented two-component urethane suitable for first surface appl
3、ication to interior plastic parts. 2. APPLICATION This specification was released originally as a decorative finish for interior parts. All painted parts must meet the appropriate performance specification. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification
4、of materials. 3.1 QUALITY SYSTEM REQUIREMENTS Material suppliers and part producers must conform to the Companys Quality System Requirements. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms established for initial approval shall constitute the reference standard and
5、 shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned
6、in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 2 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.4 PHYSICAL
7、PROPERTIES 3.4.1 Non-Volatile Content (FLTM BI 102-01) To be established by the vendor on the initial approved production batch. Tolerance shall be +/- 3.0 %. 3.4.2 Viscosity: Application (FLTM BI 111-01, #4 Ford Cup) Final approval of a specific material viscosity for production shipments shall be
8、made by the affected manufacturing activity. In all 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 b
9、e established by the supplier on the initial approved production batch. 3.4.3 Dry Hiding, range (FLTM BI 101-03) The visual hiding is over a black and gray checkerboard on steel panel. Soft Touch Black, Non-metallic 35 - 40 micrometer Metallic 40 - 45 micrometer Blue, Red (Thixotropic) and White 45
10、- 50 micrometer Laser Etchable Solid Colors 15 - 30 micrometer Blue, Red (Thixotropic) 20 - 30 micrometer In-Mold Coatings Solid Colors 18 - 25 micrometer Blue, Red (Thixotropic) and White 25 - 35 micrometer 3.4.4 pH (At Application Viscosity, if applicable) Shall be established by the supplier on t
11、he initial approved production batch. Tolerance shall be +/- 0.2. ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 3 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.4.5 Stability (6 months at 23 +/- 2 C) Shall not liver or jell upon standing and must be free from settling which is not dis
12、persed by normal agitation. The viscosity of the material shall not increase or decrease more than 10 s. 3.5 PREPARATION OF TEST PANELS 3.5.1 Substrate Polymers and polymer blends. All test specimens shall be injection molded plaques or parts having a nominal thickness of 2.5 +/- 0.2 mm or as specif
13、ied on the engineering document. 3.5.2 Substrate Surface The surface to be coated should be cleaned by an automated process to ensure the absence of oil or alkaline residues, fingerprints, mold release agents, dirt, moisture, and other foreign materials. When, in order to meet the requirements of th
14、is specification, surface enhancements (such as flaming, plasma treatment or chemical reaction(s) that change the surface chemistry) are required, they shall be specified on Engineering Documents. 3.5.3 Color Topcoat Apply sufficient color topcoat to a film thickness of 20 - 70 micrometers depending
15、 on the technology. 3.5.4 Baking Cycle Supplier shall define standard bake temperature and time and submit along with product test results. 3.6 APPEARANCE 3.6.1 General The coating shall exhibit no craters, pinholes, solvent popping, seediness, abnormal roughness, or excessive flow. ENGINEERING MATE
16、RIAL SPECIFICATION WSS-M15J13-A Page 4 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.6.2 Color (FLTM BI 109-01, Visual Assessment) (SAE J1545, MA58 Three-Angle CMC) Shall match the Master Approved Sample color panel. 3.6.3 Gloss (FLTM BI 110-01, ASTM D 523) As released by Engineering: A: 20
17、 deg Glossmeter, min 90 B: 60 deg Glossmeter 76 +/- 4 C: 60 deg Glossmeter 70 +/- 4 D: 60 deg Glossmeter 62 +/- 3 E: 60 deg Glossmeter 50 +/- 3 F: 60 deg Glossmeter 35 +/- 3 G: 60 deg Glossmeter 20 +/- 3 H: 60 deg Glossmeter 10 +/- 3 J: 60 deg Glossmeter 5 +/- 1 K: 60 deg Glossmeter 3 +/- 1 L: 60 de
18、g 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. 3.7 FILM PROPERTIES All film properties are based on the proper preparation per para 3.5 with acceptable appearance, gloss reading, fil
19、m thickness and after 72 h post cure. New technologies must be approved to all of the tests in para 3.7. New colors of an existing technology need only test to para 3.7.1 - 3.7.10. 3.7.1 Film Thickness, range 20 - 70 micrometer (ASTM B 487 or other mutually agreed upon method) 3.7.2 Adhesion (FLTM B
20、I 106-01, Method D) Less than 5 % paint removal with no complete 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 size. ENGINEERING MATERIAL SPECIFICA
21、TION WSS-M15J13-A Page 5 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.7.3 Water Resistance 96 h (FLTM BI 104-01) No blistering, softening, dulling, color change in excess of ISO A-02/AATCC Eval. Proc. 1 Rating 4 or loss of adhesion per para 3.7.2 within 30 minutes of removal from water. 3.
22、7.4 Abrasion Resistance, min 1000 cycles (SAE J948, Taber method, 500 g load, CS-10 wheels) Abrasion resistance shall be determined on test panels with smooth surface. Measure and report the samples paint film thickness and run a min of 1000 cycles for every 25 micrometers of paint thickness on the
23、panel. The paint film shall show no abrasion through to the substrate. 3.7.5 Resistance to Cleaning Agents, max Rating 4 discoloration (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Saturate the white cotton cloth with the cleaners listed. Evaluation according to the AATCC
24、 Scale. Cleaners (see also para 5.1) 1) Deionized water 2) Window cleaner with ammonia 3) All purpose cleaner 4) Dry (no cleaners or water) 3.7.6 Long Term Heat Exposure Test one previously unexposed plaque as follows for 7 d at 100 +/- 2 C Appearance Evaluation: No evidence of cracks, no blistering
25、, no change in appearance or other failure when compared with original unaged sample. Panels or parts exposed per para 3.7.6 shall be immersed in water for 24 h per FLTM BI 104-01 and then tested for adhesion per para 3.7.2. ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 6 of 15 Copyright 2008
26、, Ford Global Technologies, Inc. 3.7.7 Short Term Heat, Humidity and Cold Cycle 5 h at - 40 +/- 2 C 30 min at 23 +/- 2 C and 50 % R.H. 5 h at 100 +/- 2 C 30 min at 23 +/- 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 - 40 +/- 2 C 30 min at 23 +/- 2
27、 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 failure when compared with original unaged test sample. Panels or parts exposed per para 3.7.7 shall be immersed in water for 24 h p
28、er FLTM BI 104-01 and then tested for adhesion per para 3.7.2. 3.7.8 Resistance to Fade, min Rating 4 (SAE J1885, ISO 105 A-02/AATCC Evaluation Procedure 1, 1240 kJ/sq m) The panel size shall be approximately 60 x 150 mm with 1/3 area protected from exposure. Duplicate panels are required, one for a
29、ppearance 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 24 h per FLTM BI 104-01 and evaluated per para 3.7.2. For routine color approval of existing technologies programs accelerated weat
30、hering results will be used for approval until natural weathering results are available. Note: Accelerated weathering will be used for routine color approval until Florida results are available. In case of differences in the test results of Florida exposure and the accelerated weathering the results
31、 of the Florida exposure shall prevail. The parts tested shall be completely free from evidence of cracking, checking, blistering, and peeling. Read and report CMC delta E color change which must not be greater than 1.9. Read and report the gloss change. The gloss should not increase, and if the glo
32、ss decreases, the change should be less than 30%. ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 7 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.7.9 Florida Weathering Under Glass (FLTM BI 160-01, ISO 105 A-02/AATCC Evaluation Procedure 1) 12 months Rating 4, min 24 months Rating 3, g
33、uideline 60 months Rate and report Test parts shall be exposed under glass in the Miami, Florida area, black box, under glass at a 5 deg 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
34、and evaluated per para 3.7.2. Evaluation: One half of the part shall be washed with a mild aqueous soap solution. No blistering, peeling, cracking, crazing, chalking or any other visible deterioration. Read and report CMC delta E color change which must not be greater than 1.9. The gloss should not
35、increase, and if the gloss decreases, the change should be less than 30%. 3.7.10 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 a clear film, droplets or crystals is cause for rejection. 3.7.11 Resistance to Impact a
36、t Low Temperatures (ASTM D 3763) Painted plaques shall maintain the following min direct and/or reverse impact resistances of the unpainted substrates at - 30 + 0/- 2 C: Direct Reverse Retention Retention Polycarbonate (PC) 90 % N/A ABS/PC blend 90 % N/A ABS 60 % N/A TEO 90 % Report Value PPO 70 % N
37、/A PP 90 % N/A ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 8 of 15 Copyright 2008, Ford Global Technologies, Inc. All samples shall be conditioned at - 30 + 0/- 2 C for at least 4 h prior to impact testing. Each impact datum shall be the average of five samples min. The impact speed must be
38、 6.7 m/sec. No paint adhesion failure is allowed. 3.7.12 Intercoat Adhesion (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 color repair or two-tone combination. Color
39、 and gloss shall match between the virgin coat and the repair coat of the same color. The repair/tutone must meet all other requirements of the specification. The processing window for the repair/two-tone coat shall be identified to ensure good adhesion properties. 3.7.13 Migration Staining, min (FL
40、TM BN 103-01, ISO 105-A02/AATCC Evaluation Procedure 2) No evidence of exudation, adhesion (tackiness), separation, color transfer, or flattening of embossing when placed face to face with itself or materials of the black and white per WSB-M2F177-A. In-mold coatings Rating 5 All Others Rating 4 - 5
41、3.7.14 Resistance of Painted Plastic Parts to High Pressure Cleaning Operations (FLTM BO 160-04, Method B) Scribe an “X“ in the plaque. Apply the jet of water for the specified time. No loss of gloss, adhesion from the scribe or any other surface deterioration. or ENGINEERING MATERIAL SPECIFICATION
42、WSS-M15J13-A Page 9 of 15 Copyright 2008, Ford Global Technologies, Inc. Thermal Shock Test for Paint Rate and Report Adhesion, min (FLTM BI 107-05, except first expose specimens at 80 +/- 2oC and 80 +/- 5% R.H. for 96 hours, then follow all steps of FLTM BI 107-05) No loss of gloss or any other sur
43、face deterioration. 3.7.15 Resistance to Water, Soap and Window AATCC Rating 4 Cleaner Spotting, max discoloration (FLTM BI 113-01, ISO 105-A02/AATCC Evaluation Procedure 1) After the soap and water testing apply 0.25 ml of window cleaner that contains at least 1 % butyl cellusolve on the test sampl
44、e using a 19 mm I.D. O-ring made of Teflon. Expose the sample at the room temperature for 1 h. No film softening allowed for any solution. Each paint technology must be tested with water, soap and window cleaner at 5, 10 15, 20 and 25 micrometers. 3.7.16 Resistance to Acid Spotting, max AATCC Rating
45、 4 (FLTM BI 113-02, ISO 105-A02/AATCC Evaluation Procedure 1) No film softening allowed after 1 h recovery time. 3.7.17 Resistance to Scratching, max Rating 1 (FLTM BN 108-13, 2N force) 3.7.18 Resistance to Marring (SAE J365, 10 cycles) No evidence of discoloration, mar can be removed with four rubs
46、 of the thumb across the mar. 3.7.19 Resistance to Scuffing, min 1000 cycles (SAE J365) Measure and report the paint film thickness of the panel and run a min of 1000 cycles for every 25 micrometer of paint thickness on the panel. No evidence of lifting, peeling, or excessive scuffing. No permanent
47、parallel deformation to the surface. ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 10 of 15 Copyright 2008, Ford Global Technologies, Inc. 3.7.20 Soiling and Cleanability (FLTM BN 112-08, ISO 105-A02/AATCC Evaluation Procedure 1) Cleanability Rating 3 3.7.21 Resistance to Suntan Lotion and In
48、sect Repellent, max Rating 3 Equipment/Materials 500 gram weight (maximum dimensions, 50 x 50 mm +/- 5 mm) Sunscreen or suntan lotion (SPF 30 minimum)-Do not use aerosol Deep Woods Off for Sportsman or any insect repellent containing a minimum of 20.0% N,N-Diethyl-meta-toluamide (DEET). Do not use a
49、erosol or lotion repellent 3 +/- 0.5 ml Plastic Pipette 30 ml (minimum) glass or polyethylene container Aluminum panel (approximately 75 x 150 mm +/- 5 mm) Part number: APR13209 or any aluminum panel Available from: ACT Laboratories 273 Industrial Drive Hillsdale, MI 49242 Phone: (517) 439-1491 Fax: (517) 439-1652 Crockmeter Squares (Style 3) Available from: Testfabrics, Inc. P.O. Box 26 415 Delaware Avenue West Pittston, PA 18643 Phone: (570) 603-0432 Fax: (570) 603-0433 ENGINEERING MATERIAL SPECIFICATION WSS-M15J13-A Page 11 of 15 Copyright 2008, Ford Glo
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