1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev.0 2012 04 11 Activated Replaces WSS-M2F193-A N.Benipal/ Y. Bankowski, NA Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC. Page 1 of 3 FABRIC, VINYL COATED (PVC), SOLID SUPPORTED, WSS-M2F193-B GAP HIDER MATERI
2、AL 1. SCOPE The material defined by this specification is a vinyl coated fabric material consisting of polyvinyl chloride coating laminated to a knit fabric. 2. APPLICATION This specification was released for materials used for steering wheel gap hider on the U502 program. Any other applications mus
3、t be approved by the responsible Materials Engineering or Design Engineering Activity. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.1.1 In addit
4、ion to the requirements listed herein, this material shall meet all requirements of the WSS-M8P3-E1/E2/E3 or latest, Performance, Flexible Polymeric Film, Interior Quality material performance specification. 3.1.2 Materials used in interior applications must meet the requirements outlined in WSS-M99
5、P2222-C1/Latest, Performance, Vehicle Interior Environment Quality Material/Component Requirements. Data must be included in material submission package. 3.2 APPEARANCE 3.2.1 Color Matching with Artificial Light (FLTM BI 109-01, Visual Assessment) The color, pattern and finish shall match the approv
6、ed Design Center master sample, or shall be as specified on the Engineering Document. 3.2.2 Gloss As specified on the Engineering Drawing (FLTM BI 110-01) 3.3 COMPOSITION Face Material PVC Backing Polyester Knitted Fabric 3.4 TEST SPECIMENS Unless otherwise specified, all tests shall be carried out
7、on specimens die cut from roll goods. 3.5 THICKNESS 0.59 +/- 0.2 mm (ISO 2286) Or as specified on engineering drawing ENGINEERING MATERIAL SPECIFICATION WSS-M2F193-B Copyright 2012, Ford Global Technologies, LLC. Page 2 of 3 3.6 WEIGHT 611 g/m2 (target) (ISO 2286) Or as specified on engineering draw
8、ing 3.7 TENSILE STRENGTH WMD 10.0 MPa min (ASTM D 3574) AMD 10.0 MPa min 3.8 ELONGATION WMD 75 % min (ASTM D 3574) AMD 200% min 3.9 STRESS AT 50 % WMD 12.0 MPa max (ASTM D 3574) AMD 12.0 MPa max 3.10 TRAPEZOID TEAR STRENGTH WMD 100 N min (ASTM D 751) AMD 100 N min 3.11 BREAKING STRENGTH WMD 330 N mi
9、n (ASTM D 751, supported films, grab method) AMD 350 N min 3.12 DIMENSIONAL STABILITY, Room Temperature Aged, WMD 3.0 % max (SAE J883, age 24 h at 23 +/- 2 C and AMD 1.0 % max 50 +/- 5 % R.H.) 3.13 STRETCH AND SET WMD 10 % min (SAE J855) AMD 20 % min 3.14 FOGGING, PHOTOMETRIC (SAE J1756, 3 h at 100
10、C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.15 FOGGING, GRAVIMETRIC 2.5 mg max (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning 4 hr) 3.16 ODOR Rating 3 max
11、(FLTM BO-131-03) 3.17 RESISTANCE TO CURLING 13 mm max Die cut across entire width of material four test specimens 100 x 100 mm in size. The two specimens 2 samples at the distance of 25 mm from both selvages of the material roll. Place the test specimens immediately on a smooth flat supporting surfa
12、ce, with the face side upward and using a suitable scale, measure the max distance between the supporting surface and the upper surface of the test specimens. After 15 minutes time, repeat the same measurements on those points which show the greatest degree of curling upwards. ENGINEERING MATERIAL S
13、PECIFICATION WSS-M2F193-B Copyright 2012, Ford Global Technologies, LLC. Page 3 of 3 3.18 COLD CRACKING RESISTANCE 3.18.1 Cold Flexibility Material shall remain flexible (FLTM BN 102-01,after and not crack when bend 180 aging 7 d at 100 +/- 2 C) around 6.4 mm diameter mandrel 3.18.2 Low Temperature
14、Impact (FLTM BN 128-01, 4.05 J impact) Original (as received) at - 30 +/- 1 C No visible cracking After 7 d at 100 +/- 2 C at - 30 +/- 1 C No visible cracking 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 5. SUMMARY OF REVISIONS
