1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2014 12 16 Editorial See summary of revisions D. Murtonen, NA 2011 09 19 B-revised C-Activated WSS-M2F156-B - See summary of revisions S.Stanciu, NA 2010 08 17 Revised Editorial change. Para 3. S. Stanciu 1996 02 27 Activated L.A. Grah
2、am B.H. Chen Copyright 2014, Ford Global Technologies, Inc. Page 1 of 3 FABRIC, VINYL COATED (PVC) EXPANDED, FOR COMMERCIAL VEHICLES AND TRUCK SEATING APPLICATIONS WSS-M2F156-C 1. SCOPE The material defined by this specification is a laminate consisting of a solid vinyl film, an expanded vinyl layer
3、 and a texturized polyester fabric. 2. APPLICATION WSS-M2F156-C was developed for NA commercial vehicles and truck seating applications which require high wear and flexibility resistance. Any other application must be evaluated by Design Engineer and Materials Engineer. 3. REQUIREMENTS In addition t
4、o the requirements listed herein, this material shall meet all requirements of the WSS-M8P3-E1/E3 or latest Performance, Flexible Polymeric Film, Interior Quality specification. Laminated materials must meet the lamination requirement per WSS-M8P3-E3 or latest performance specification. 3.1 STANDARD
5、 REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE (FLTM BI 109-01) The color, pattern, gloss level and finish shall match the approved Corporate Design master sampl
6、e, or shall be as specified on the engineering drawing. 3.3 SUPPORTED FABRIC Texturized Polyester Knit or engineering approved alternative. ENGINEERING MATERIAL SPECIFICATION WSS-M2F156-C Copyright 2014, Ford Global Technologies, Inc. Page 2 of 3 3.4 VINYL COATED FABRIC 3.4.1 Weight, 10% (ASTM D 751
7、, Sample Method) Total (vinyl and supporting fabric) 890 g/m2 3.4.2 Resistance to Tear (ASTM D 751, Trapezoid Tear) WMD 115N min AMD 115N min 3.4.3 Breaking Strength (ASTM D 751, Grab Method) WMD 445N min AMD 445N min The vinyl coating shall not fail before the specified minimum breaking values are
8、obtained. 3.4.4 Seam Strength (FLTM BN 119-01, except use lockstitch with 6 stiches/25 mm, 5 sample average in each direction) WMD 460N min AMD 570N min 3.4.5 Dimensional Stability (SAE J883) WMD 3% max WMD 3% max 3.4.6 Stiffness (ASTM D 747, direct reading at 60 angle with a 0.01 N-m moment weight)
9、 WMD 35 max AMD 30 max ENGINEERING MATERIAL SPECIFICATION WSS-M2F156-C Copyright 2014, Ford Global Technologies, Inc. Page 3 of 3 3.4.7 Abrasion Resistance 3.4.7.1 Taber Abrasion (SAE J948, CS-10 wheels, 1000 g load) For B specification only 1,000 cycles For C specification only 2,000 cycles The abr
10、aded area must exhibit compatible color and appearance with the adjacent unabraded area. No loss of grain or other detrimental effects. The abrasion resistance of production material shall be equal to or better than the master sample approved by the Materials Engineering Activity. 3.4.7.2 Wyzenbeek
11、Abrasion (for C specification only) (ASTM D4157, 3 specimens, 2.7 kg tension, 1.8 kg load, No 8 Duckcloth, 50,000 cycles) No loss of grain or other detrimental effects. The abrasion resistance of production material shall be equal to or better than the master sample approved by the Materials Enginee
12、ring Activity. 4 GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification 5. SUMMARY OF REVISIONS 12 16 2014 -Removed WSS-M2F156-B from this document that was moved to N status 3-19-2013. Was located on 2 different documents. -Removed WSB-M9H117-B from section 3.3 -Seat Simulation test from General Information 09 19 2011 -Added Paragraph 3.4.5 -Added Paragraph 3.4.7 -Removed Paragraph 3.4.6 -New C suffix
