1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2003 01 14 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.17, 4 deleted 1995 09 14 Activated D. Whyte B. Chen Printed copies are uncontrolled Page 1 of 3 Copyright 2002, Ford Global Technologies, Inc. FAB
2、RIC, NON-WOVEN, VINYL COATED, MULTI-PURPOSE WSS-M2F191-A 1. SCOPE The material defined by this specification is a calendered polyvinyl chloride copolymer film laminated to a needle-punched non-woven textile. 2. APPPLICATION This specification was released originally for material used in interior tri
3、m as a covering for automotive seat side facings. This material is only recommended for use as a covering for the seat back and cushion side facings and other nonseating surfaces. It is to be used with french or deck seams and/ or welts in stressed seam applications. Plain join seams in stressed sea
4、m areas are not recommended because of visible needle hole elongation. 3. REQUIREMENTS In addition to the requirements listed herein, this material shall meet all requirements of the WSB-M8P3-C, PERFORMANCE, FLEXIBLE POLYMERIC FILM, INTERIOR QUALITY material performance specification. 3.0 STANDARD R
5、EQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 APPEARANCE (FLTM BI 109-01) The color, pattern and finish shall match the approved master sample, or shall be as specified on t
6、he engineering drawing. 3.5 BACKING FABRIC 3.5.1 Composition 100% polyester non-woven (ASTM D 629) ENGINEERING MATERIAL SPECIFICATION WSS-M2F191-A Page 2 of 3 Copyright 2002, Ford Global Technologies, Inc. 3.5.2 Construction This fabric is good quality non-woven material bonded by a mechanical needl
7、ing process. The fiber size and staple shall be as agreed between the supplier and Materials Engineering. 3.6 WEIGHT, range LSL USL (ASTM D 751, sample method) 815 g/m2 945 g/m2 3.7 RESISTANCE TO TEAR TRAPEZOID, min (ASTM D 1117, Integrated Method) LSL Warp 100 N (169 N average) Fill 100 N (280 N av
8、erage) 3.8 BREAKING STRENGTH, min (ASTM D 751, grab method) LSL Warp 445 N (640 N average) Fill 445 N (676 N average) The vinyl coating shall not fail before the specified minimum breaking values are obtained. 3.9 SEAM STRENGTH, min (FLTM BN 119-01, except use lockstitch with 6 stitches/25 mm, 5 sam
9、ple average in each direction) LSL Warp 445 N (662 N average) Fill 445 N (720 N average) 3.10 ADHESION OF VINYL FILM TO BACKING FABRIC, min (FLTM BN 151-05, Method A/ISO 2711) LSL Warp 35 N / 50 mm (52 N / 50 mm average) Fill 35 N / 50 mm (61 N / 50 mm average) ENGINEERING MATERIAL SPECIFICATION WSS
10、M2F191-A Page 3 of 3 Copyright 2002, Ford Global Technologies, Inc. 3.11 STRETCH AND SET, range, % (SAE J855) Stretch Set LSL USL Warp 15 55 0-20 of warp stretch Fill 15 55 0-20 of fill stretch 3.12 STIFFNESS, max (ASTM D 747, direct reading at 60 angle with a 0.01 Nm moment weight) USL MD 24 (14 a
11、verage) AMD 24 (12 average) 3.13 LOW TEMPERATURE IMPACT (FLTM BN 128-01) Original (as received) - 35 +/- 1 C After 7 days at 80 +/- 2 C - 30 +/- 1 C No visible cracking when tested as received and faster heat aging. 3.14 EXTENDED HEAT AGING No delamination or (FLTM BN 113-03) loss of coating film integrity. 3.15 SEAM FATIGUE RESISTANCE,max (FLTM BN 102-06) Needle hole length after test 3.0 mm 3.16 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/ minute
