1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver 5 2008 06 05 N-STATUS Replaced by WSS-M15P27-F M. Dumitrescu, FNA 2003 11 11 Revised Para 3.20 revised M. Dumitrescu, FNA 1996 06 17 Activated J. Williams, B. Chen Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, L
2、LC Page 1 of 6 PERFORMANCE, HEADLINING, FORMED WSS-M15P27-D NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is fully finished, unitized formed headlining assembly consisting of a face material and substrate layers. 2. APPLICATION This unitized composite assembly is
3、used as a headlining for passenger cars and trucks or as specified on the Engineering Drawing. Headliners bonded to body sheet metal must meet the requirements of WSB-M11P59-A. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to th
4、e Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Design Center master sample, or shall be as specified on the Engineering Drawing. 3.3 WEIGHT, g/m2, max As specified on the (FLTM BN 106
5、-01) Engineering Drawing 3.4 TRANSVERSE STRENGTH*, min 10 N (SAE J949, average of maximum loads on 5 samples) *In addition, the part shall not be damaged during installation in the vehicle. 3.5 DIMENSIONAL STABILITY, max (SAE J315 test both flat and deep draw areas of part) After testing, there shal
6、l be no blistering or loss of adhesion of the surface material, and visible distortion or shrinkage of the component. Method “A“ +/- 0.5% Method “C“ (following Method A) +/- 0.5% Or as otherwise specified on the engineering drawing. ENGINEERING MATERIAL SPECIFICATIONWSS-M15P27-D Printed copies are u
7、ncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 2 of 6 3.6 ADHESION STRENGTH, min (FLTM BN 151-05, test for all environmental conditions) Face to substrate 6 N All layers shall be bonded at all points without blisters. All areas of the part shall meet adhesion values specified above.
8、 After conditioning, the coverstock shall not blister, bubble or show areas of no adhesion. In addition, adhesion of the face fabric shall be greater than 6 Newtons unless otherwise specified in the material specification. 3.7 RESISTANCE TO HEAT AGING Rating 4 (7 days at 90 +/- 2 C) The test specime
9、n shall not show any change of color as above when examined using ISO 105-A02/AATCC Evaluation Procedure 1. Any spotty or non-uniform staining or discoloration shall be cause for rejection. The sample must not produce any unpleasant odors when hot. 3.8 ODOR, max Rating 2 (FLTM BO 131-01/SAE J1351 wi
10、th 1 liter glass jars) 3.9 RESISTANCE TO MILDEW The material shall exhibit no visual evidence of mildew growth and/or objectionable odor after 7 days exposure in a humidity cabinet at 38 +/- 2 C and 98 +/- 2% relative humidity. 3.10 INDENTATION AND RECOVERY (FLTM BO 111-02, Method B, except load is
11、1.5 kg) The indented headliner must return to its original contour within 5 minutes. In addition, the part shall not be damaged during installation in the vehicle. 3.11 RESISTANCE TO ABRASION 150 cycles (SAE J948, 500 g, CS-10 wheels) No evidence of excessive surface deterioration. The resistance to
12、 abrasion of production materials shall be equal to or better than that exhibited by the sample originally approved by the Materials Engineering Activity. 3.12 RESISTANCE TO SCUFFING 25 cycles (SAE J365) No evidence of lifting, peeling, excessive scuffing or excessive surface deterioration. The resi
13、stance to scuffing of production materials shall be equal to or better than that exhibited by the sample originally approved by the Materials Engineering Activity. ENGINEERING MATERIAL SPECIFICATIONWSS-M15P27-D Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 3 of
14、6 3.13 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, droplets or crystals is cause for rejection. 3.14 RESISTANCE TO FADE (SAE J1885, ISO 105-A02/AATCC Evaluation Procedure 1) 112.8 kJ/m2Rating 4 3.14.1
15、Optional test method Filtered Xenon (SAE J1885 modified DVM-0067-MA, ISO 105-A02/AATCC Evaluation Procedure 1) 150.4 kJ/m2Rating 4 3.15 RESISTANCE TO CROCKING (FLTM BN 107-01, AATCC Procedure 3) Dry, min Rating 4 Wet, min Rating 4 3.16 RESISTANCE TO BLEEDING, min Rating (FLTM AN 101-01, AATCC Evalua
16、tion Procedure 3) 3.17 RESISTANCE TO WATER SPOTTING (FLTM AN 101-01) No spots shall remain after the distilled water has completely dried off. 3.18 SOILING AND CLEANABILITY OF CLOTH, min (FLTM BN 112-08) After cleaning Rating 3 Marks with a charcoal pencil must be easily removed using Motorcraft Uph
17、olstery Cleaner to Part No. A830X 19526 BA without serious damage to the face fabric There shall be no pilling of the face fabric after the above testing. The performance of production material shall be equal to or better than that exhibited by the sample originally approved for production by the Ma
18、terials Engineering Activity. ENGINEERING MATERIAL SPECIFICATIONWSS-M15P27-D Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 4 of 6 3.19 IDENTIFICATION MARKING The reverse side of each assembly must be marked in a suitable way to identify its production batch. The
19、re shall be no evidence of identification mark bleed through onto the cover materials surface, nor any staining of adjacent assemblies during storage. 3.20 SIMULATED IN-CAR ENVIRONMENTAL AGING Headliner Sag, max 13 mm Edge Gap Deformation, max 3.5 mm Horizontal Movement, max 3.5 mm Headliner shall n
20、ot show any delamination, loss of embossed definition, excessive deformation, or any objectionable surface imperfections. Attachment system shall not show any evidence of delamination or separation from headliner or mating components. Test Method: Install a complete headliner using production assemb
21、ly techniques, in an approved test buck or vehicle, representative of intended production dimensions. Expose the vehicle (with windows open) or test buck to the following environmental cycle: Automated programmable test cycles based on the listed test conditions may be accepted by prior agreement wi
22、th 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 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 16 h at 50 +/- 2 C and 95 +/- 5% R.H. . 30 min at 23 +/- 2 C and
23、 50% R.H. . 5 h at - 40 +/- 2 C . 30 min at 23 +/- 2 C and 50% R.H. . 5 h at 90 +/- 2 C Measure before and after cycle at locations marked with X on diagram 1. Also measure for deformation along any unsupported edges that do not have garnish moldings. 3.21 STEAM AUTOCLAVE AGING, Retained Strength, m
24、in 50% of original (ASTM D 3574, TEST J 2, two autoclave cycles for 10 h total exposure) This requirement applies to urethane foam used in headliner constructions (fabric backing or substrate). ENGINEERING MATERIAL SPECIFICATIONWSS-M15P27-D Printed copies are uncontrolled Copyright 2008, Ford Global
25、 Technologies, Inc. Page 5 of 6 Flexible Foam: Adhesion strength method: Cut two adjacent 250 x 250 mm samples from the headliner. Expose one to steam autoclave aging. Then condition both for 24 h at 23 +/- 2 C and 50% relative humidity. Die cut 50 mm wide strips from both sets of original and autoc
26、lave aged samples and test foam peel adhesion per Method A of FLTM BN 151-05. Report the % retained foam adhesion strength of the autoclave aged sample from the original. Rigid Foam: Transverse strength method - Cut a duplicate set of transverse strength samples per para 3.6. Expose one to steam aut
27、oclave aging. Then condition both for 24 h at 23 +/- 2 C and 50% relative humidity, evaluate transverse strength and report the percent retained transverse strength of the autoclave aged sample from the original. 3.22 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 4. GENERAL INFORMATI
28、ON The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 STORAGE AND ASSEMBLY To avoid crush marks on the face fabric, finished headliners are supplied in special pallets. They should not be removed from the pallets until requ
29、ired for fitting to the vehicle. To prevent soiling during handling and fitting operations, the face side of the assembly may be covered by a self-adhesive polyethylene film. ENGINEERING MATERIAL SPECIFICATIONWSS-M15P27-D Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 6 of 6 SIMULATED IN-CAR ENVIRONMENTAL AGING MEASUREMENT LOCATIONS TOP VIEW NOT to Scale FRONT REAR Measure every 150 mm drop along unsupported edges that do not have garnish moldings. Diagram 1
