1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 01 29 Revised L. Soreide Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 2 CARPET, POLYESTER, FLAT NEEDLED, WSS-M3H138-A4 FILLED POLYPROPYLENE BACKING 1. SCOPE The materials defined by this specific
2、ation are flat needled, polyester, non-woven carpets of good quality and uniform composition. The face fiber is 100% 6 denier polyester. It is back-coated with filled polypropylene. 2. APPLICATION This specification was originally released for material used as a moldable back panel for the F-150. 3.
3、 REQUIREMENTS In addition to the requirements listed herein, the end-item carpet assembly (molded or otherwise fabricated), shall meet all requirements of the WSS-M15P32-C performance specification. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform
4、 to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SAMPLE SELECTION All evaluations shall be conducted on test specimens taken from finished roll goods prior to any subsequent operations, such as reheating or molding. 3.3 APPEARANCE (FLTM BI 109-01) The color, patt
5、ern, and finish shall match the approved Design Center master sample, or shall be as specified on the engineering drawing. 3.4 COMPOSITION (ASTM D 629) Fiber 100% Polyester Backcoating Filled Polypropylene Scrim Spunbonded polyester 3.5 METHOD OF DYEING Solution dyed or equivalent ENGINEERING MATERI
6、AL SPECIFICATIONWSS-M3H138-A4Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 2 3.6 CONSTRUCTION 3.6.1 Fiber Size and Description 6.7 dtex, polyester (ASTM D 1244) (Polyester) 3.6.2 Thickness, range, mm 1.5 - 3.5 (ASTM D 1777) 3.7 WEIGHT, min (FLTM BN 106-01) Pile Fiber 290 g/m2Backcoating 1180 g/m2 Scrim 20 g/m2 Total 1490 g/m2