1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 02 2012 04 11 N Status Replaced by WSS-M2F193-B Y. Bankowski, NA 2003 01 14 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.19, 4 deleted 1997 10 01 Activated M. Masserant Controlled document at www.MA
2、TS Copyright 2012, Ford Global Technologies, Inc. Page 1 of 3 FABRIC, VINYL COATED, LOW PRESSURE FORMABLE WSS-M2F193-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a vinyl coated fabric material consisting of polyvinyl chloride coating laminated to a knit fabr
3、ic. 2. APPLICATION This specification was released for materials used for low pressure molding of Door Trim Panels. Any other applications must be approved by the responsible Materials Engineering or Design Engineering Activity. 3. REQUIREMENTS In addition to the requirements listed herein, this mat
4、erial shall meet all requirements of the WSS-M8P3-D1/D2/D3, PERFORMANCE, FLEXIBLE POLYMERIC FILM, INTERIOR QUALITY material performance specification, and WSS-M15P4-E, INTERIOR TRIM, ASSEMBLY performance specification. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part pr
5、oducers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE The color, pattern, and finish shall match the approved corporate FLTM BI 109-01 Design master sample, or shall be as specified on the engineering drawing. 3.4.1 Instrumental Color Re
6、adings (FLTM BI 109-03) Instrumental color readings may be required at the discretion of Materials Engineering. Visual evaluation will take precedence over instrumental reading in cases of dispute. No production batch shall deviate by more than 0.85 Delta E from the designated color master nor from
7、the preceding production batch when measured in accordance with FLTM BI 109-03. 3.5 BACKING FABRIC Polyester single circular knit ENGINEERING MATERIAL SPECIFICATION WSS-M2F193-A Page 2 of 3 Copyright 2012, Ford Global Technologies, Inc. 3.6 THICKNESS As specified on engineering drawing (ASTM D 751)
8、3.7 TENSILE STRENGTH, min W 5.0 MPa (ASTM D 3574) F 5.0 MPa 3.8 ELONGATION, min W 125 % (ASTM D 3574) F 230 % 3.9 STRESS AT 50 %, max W 5.0 MPa (ASTM D 3574) F 5.0 MPa 3.10 STRESS AT 100 %, max W 7.0 MPa (ASTM D 3574) F 7.0 MPa 3.11 TRAPEZOID TEAR STRENGTH, min W 100 N (ASTM D 1117) F 100 N 3.12 BRE
9、AKING STRENGTH, min W 330 N (ASTM D 751, supported films, grab method) F 350 N 3.13 DIMENSIONAL STABILITY, Room Temperature Aged, max (SAE J883, age 24 h at 23 +/- 2 C and 50 +/- 5 % R.H.) Warp 3.0 % Fill 1.0 % 3.14 STRETCH AND SET As approved mutually between full (SAE J855) service supplier and do
10、or panel per control plan 3.15 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 60 Formation of clear film, droplets or crystals is cause for rejection. 3.16 ODOR, max Rating 2 (SAE J1351) ENGINEERING MATERIAL SPECIFICATION WSS-M2F193
11、-A Page 3 of 3 Copyright 2012, Ford Global Technologies, Inc. 3.17 RESISTANCE TO CURLING The test specimen must not raise itself at any point for more than 13 mm when tested as per following test method. Die cut across entire width of material four test specimens 100 x 100 mm in size. The two specim
12、ens 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 surface, 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 sp
13、ecimens. After 15 minutes time, repeat the same measurements on those points which show the greatest degree of curling upwards. 3.18 COLD FLEXIBILITY AT - 35 C 3.18.1 Cold Flexibility Material shall remain flexible (FLTM BN 102-01,after and not crack when bend 180 aging 7 d at 80 +/- 2 C) around 6.4 mm diameter mandrel 3.18.2 Low Temperature Impact (Coated Fabrics) 4J (FLTM BN 128-01) Original (as received) - 35 +/- 1 C After 7 d at 80 +/- 2 C - 30 +/- 1 C No visible cracking when tested as received and after heat aging.
