1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2011 07 27 N Status No replacement named R. Harris, NA 2006 11 10 Revised Replaced by WSS-M2F206-A1/A2 in North America; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 L. Schmalz 2002 05 06 Activated L. Soreide Printed copies are u
2、ncontrolled Copyright 2011, Ford Global Technologies, LLC Page 1 of 2 FLEXIBLE COVERSTOCK, EXPANDABLE POLYVINYL WSS-M4D984-A CHLORIDE (PVC), INSTRUMENT PANEL NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a laminate consisting of a solid polyvinyl chloride (PVC)
3、 film, an expanded PVC layer and a polyester fabric backing. 2. APPLICATION This specification was released originally to be used as flexible cover stock for the binnacle of the P221 with thread stitching. 3. REQUIREMENTS This material must also meet the requirements in WSS-M15P45-A and any applicab
4、le SDS. Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TEST SPECIMEN
5、3.4.1 Preparation of Test Specimens Unless otherwise specified, all tests shall be carried out on specimens die cut from unformed sheets. 3.4.2 Density (+/- 0.5 g/cm3) 0.70 g/cm3 (ISO 1183, Method A) 3.4.3 Tensile Strength at Max Load, min MD: 6.3 MPa min. (ISO R 527, Type 2, 100 mm/minute AMD: 3.3
6、MPa min. test speed machine and transverse direction) 3.4.4 Elongation at Break, min 100% 3.4.5 Cold Flexibility at -30 C No cracks (180 bend over a 20 +/- 1mm diameter mandrel, sample size 50 x 150 +/- mm) 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h
7、and 16 h) Fog Number, min 70 ENGINEERING MATERIAL SPECIFICATION WSS-M4D984-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 2 Formation of clear film, droplets or crystals is cause for rejection. 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minu
8、te The specimen size required for material approval is approximately 355 x 100 x extruded coverstock thickness not to exceed 13 mm. The thickness must be documented on the report. 3.7 ODOR Rating 2 (FLTM BO 131-01) 3.8 MATERIAL PERFORMANCE TESTING The materials approved to this specification must me
9、et the performance specification WSS-M15P45-A for Instrument Panels and the applicable SDS such as the IP-SDS. If the final assembly contains an integrated airbag the material must meet the PAB-SDS and Restraints must be contacted for all requirements. Once documentation is provided that this testing is complete the material will be added to the approved source list. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 RECYCLING CODE PVC
