1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2013 07 17 N Status Replaced by WSS-M15P6-E L. Sinclair, NA 2006 12 08 Revised Paragraph 3.13 Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.20, 3.21 & 4 L. Sinclair 1996 06 17 Activated J. Williams, Y. Alaniva Controlled document at www.MATS
2、Copyright 2013, Ford Global Technologies, LLC Page 1 of 6 PERFORMANCE REQUIREMENTS, PACKAGE TRAY ASSEMBLY WSS-M15P6-D NOT TO BE USED FOR NEW DESIGN 1. SCOPE This specification defines the standardized characteristics required for package tray assemblies with carpeted, painted or other decorative sur
3、faces. 2. APPLICATION This specification was released originally for performance requirements for rear package trays. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and p
4、art producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE (FLTM BI 109-01) The color, grain, gloss, and finish shall match the approved Design Center master sample, or shall be as specified on the engineering drawing. 3.5 DIMENSIONAL S
5、TABILITY The trimmed assembly, after the test, shall exhibit no visible and objectionable appearance such as: . Wrinkling . Distortion . Blistering . Delamination . Blushing, hazing, or milking of the decorative surface . Expansion, shrinkage, or warpage which will interfere with normal functional o
6、peration. . The trimmed assembly shall not exhibit movement in excess of 4.0 mm at specified points. These points shall be: around the perimeter, in between fasteners and at least every 10 cm. In addition, any visual distortion noted during the test cycles will be reported. ENGINEERING MATERIAL SPEC
7、IFICATION WSS-M15P6-D Copyright 2013, Ford Global Technologies, LLC Page 2 of 6 Evaluation: Evaluate assembly after exposure and: (a) Report any objectionable appearance (b) Measure and record the gap at specified points. Also report the difference from the original gap measurement. Test report to i
8、nclude sketch of part with the measurement points indicated. Test Method: Conduct with the trim assembly mounted on an actual or simulated production support foundation with the approved retention methods. The assembly shall be subjected to the following environmental cycle. Automated programmable t
9、est cycles based on the listed test conditions may be accepted by prior agreement with the affected Materials Engineering Activity. Ramp speed 1 to 5 C per minute. Record actual ramp speed on data sheet. . 5 h at -40 +/- 2 C . 30 minutes at 23 +/- 2 C and 50% R.H. . 5 h at 100 +/- 2 C . 30 minutes a
10、t 23 +/- 2 C and 50% R.H. . 2 h at 50 +/- 2 C and 95 +/- 5% R.H. . 30 minutes at 23 +/- 2 C and 50% R.H. . 5 h at -40 +/- 2 C . 30 minutes at 23 +/- 2 C and 50% R.H. . 5 h at 100 +/- 2 C 3.6 HEAT AGING (7 days at 110 +/- 2 C) Color Change, min Rating 4 - 5 (AATCC Evaluation Procedure 1) The cover ma
11、terials shall show no evidence of tackiness, or exhibit a color tone change. Any “spotty“ or non-uniform staining or discoloration shall be cause for rejection. Delamination The cover material shall not delaminate or bridge from substrate after exposure. Sag The assembly shall exhibit no more than 1
12、2 mm sagging in the unsupported areas 24 h after weights are removed. Test Method: Mount package tray in a production representative metal retainer buck. Place a 900 g weight with a contact area of 50 x 50 mm on the package tray at 3 unsupported positions. Place buck in an air circulating oven at 11
13、0 +/- 2 C for 7 days. Remove, take weights off, and allow to condition for 24 h at 23 +/- 2 C prior to evaluation. ENGINEERING MATERIAL SPECIFICATION WSS-M15P6-D Copyright 2013, Ford Global Technologies, LLC Page 3 of 6 3.7 IMPACT, min 23 +/- 2 C 0.7 J Cold (-30 +/- 2 C for 5 h) 0.7 J Test Method: (
14、Gardner Instruments Impact Tester or equivalent). Using a 900 g falling weight with a hemispherical nose diameter of 13 mm and a platform below the test sample with a target hole of 14 mm diameter, test to failure and record the force. Failure is defined as complete rupture of the bottom surface. Sl
15、ight cracking or crazing of the bottom surface is not considered failure. Test should be conducted on areas of part most susceptible to failure. 3.8 DROOP (supported package trays only), max 100 mm Test Method: Extend 1/2 the length, longest dimension, of a finished part, trim side up, over the end
16、of a suitable flat surface. After one minute, measure the maximum amount of deflection, relative to the flat surface, of the unsupported end of the part. 3.9 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,
17、 droplets or crystals is cause for rejection. 3.10 RESISTANCE TO RUBBING (Crocking) (FLTM BN 107-01, AATCC Evaluation Procedure 3, use instrumental method FLTM BN 107-02, when color transfer is visually apparent) Rating Dry 4 (7.0 Delta E maximum) Distilled 4 (7.0 Delta E maximum) If an instrument w
18、ith diffuse geometry is used, the specular component of reflectance shall be included in the measurement. Note: If a crock result is greater than 7.00 DE, repeat the colorimeter measurement four (4) additional times and average all five (5) results to minimize measurement error. The average must be
19、less than or equal to 7.00 DE. DO NOT conduct another crock test on the roll unless examination of the original crock cloth indicates the test was conducted improperly (e.g., uneven pressure of the crock finger). 3.11 SOILING AND CLEANABILITY (FLTM BN 112-08, ISO 105-A02/ AATCC Evaluation Procedure
20、1) After Cleaning, min Rating 3 ENGINEERING MATERIAL SPECIFICATION WSS-M15P6-D Copyright 2013, Ford Global Technologies, LLC Page 4 of 6 3.12 SURFACE LAMINATE PLY ADHESION, min (ASTM D 413, Machine Method, strip Specimens - Type A Specimen Size 25 x 204 mm, Jaw Speed: 305 mm/minute) The cover stock
21、of the test specimen shall be separated from the substrate by hand and without the use of solvents prior to pulling. Test for the exposures listed below only. Original Adhesion 325 N/m Heat Aged: 7 days at 110 +/- 2 C 275 N/m Heat/Humidity: 7 days at 38 +/- 2 C and 165 N/m 95 +/- 5% relative humidit
22、y 3.13 ODOR, max Rating 2 (FLTM BO 131-01) 3.14 RESISTANCE TO MILDEW The material shall exhibit no visible evidence of mildew growth and/or objectionable odor after 7 days exposure in a humidity cabinet maintained at 98 +/- 2% relative humidity and 38 +/- 2 C. 3.15 SPEAKER GRILLE RUPTURE STRENGTH*,
23、min 67 N (For integral perforated speaker grille) *Force required to break speaker grille rib. Test Method: A rib of the speaker grille is placed over a target hole diameter of 75 mm. A pressure foot of 1.6 x 9.5 mm is centered on the rib, and the force required to rupture the rib at a rate of 125 m
24、m/minute is measured. 3.16 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.17 MOVEABLE PACKAGE TRAYS 3.17.1 Backing Fabric Abrasion Resistance, min 400 cycles (FLTM BN 108-01, 0 grit paper) Backing fabric must be delaminated for test. The sample shall exhibit no evidence of penetrati
25、on to the foundation of the pile fibers in the abraded area. 3.17.2 Water Absorption (relative), max 180% (FLTM BS 151-01) 3.17.3 Water Swell (relative), max 20% (FLTM BS 151-01) ENGINEERING MATERIAL SPECIFICATION WSS-M15P6-D Copyright 2013, Ford Global Technologies, LLC Page 5 of 6 3.17.4 Dimension
26、al Stability, max 1% either (FLTM BS 103-01, Method B) direction 3.17.5 Bursting Strength, min 345 N/cm2 (ASTM D 774) 3.17.6 Resistance to Water Spotting (FLTM AN 101-01, AATCC Evaluation Procedure 3) No spots shall remain after the distilled water is completely dried off. 3.18 CARPETED ASSEMBLY 3.1
27、8.1 Resistance to Snagging (SAE J1530A, H-10 wheels) No evidence of fiber pullout in excess of the material originally approved by Materials Engineering. Supported package trays 250 g load, 50 cycles Unsupported package trays 500 g load, 50 cycles 3.18.2 Abrasion, min 1200 cycles (SAE J1530A, 500 g
28、load, H-10 wheels. If required, back with S-36 mounting cards or equivalent) The material shall exhibit no evidence of penetration to the foundation of the pile fibers in the abraded area. After testing, the specimen must not show any greater signs of deterioration than the sample originally approve
29、d by Materials Engineering. 3.18.3 Resistance to Fade, min Required Worldwide except North America (SAE J1885 and ISO 105-A02/ AATCC Evaluation Procedure 1) Xenon Arc Exposure 488.8 kJ/m2 Rating 4 Resistance to Fade, min Required for North America (SAE J1885 modified (FLTM BO 116-01) AATCC Evaluatio
30、n Procedure 1) Xenon Arc Exposure 977.6 kJ/m2 Rating 4 The material shall show no change in color tone or evidence of spotting and it shall be equal to or better than the sample originally approved by Materials Engineering. ENGINEERING MATERIAL SPECIFICATION WSS-M15P6-D Copyright 2013, Ford Global T
31、echnologies, LLC Page 6 of 6 3.18.4 Surface Fiber Deterioration Xenon Exposure Required Worldwide except North America 488.8 kJ/m2 (SAE J1885) Filtered Xenon Exposure Required for North America 977.6 kJ/m2 (SAE J1885 modified (FLTM BO 116-01) No excessive deterioration of fibers or yarns after the a
32、bove Xenon arc exposure. The resistance to deterioration of approved production material shall be equal to or better than that exhibited by the fabric proposal approved by the Materials Engineering Activity. 3.18.4.1 Tape Test Test Method: Firmly apply a piece of 3Ms Highland Brand 6200 permanent Me
33、nding Tape to the surface of the exposed fabric (yarn). Then rapidly strip the tape and mount it on a sheet of light or dark cardstock which contrasts with the color of the fiber. Repeat the test with a new piece of tape on a unexposed sample and compare the length and quantity of fibers removed by
34、the tape. Report fiber deterioration if a significantly larger number of fibers (usually of shorter lengths) are removed from the exposed versus unexposed sample. 3.18.4.2 Abrasion 1000 cycles (SAE J1530A, 500 g load, H-10 wheels, if required, back with S-36 mounting cards or equivalent) In addition, the material shall exhibit no evidence of penetration to the foundation of the pile fibers in the abraded area. 3.19 PAINTED ASSEMBLY Must meet the requirements of current production paint performance specifications.
