1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev.2 2008 11 05 N-STATUS Replaced by WSS-M8P16-B L. Sinclair, FNA 2003 06 24 Activated L. Soreide Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 1 of 2 CARPET, BCF NYLON, BAVARIA PATTERN, FILLED WSS-M3H133
2、-A4 POLYPROPYLENE BACKING, 515 g/m NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are bulked continuous filament (BCF) nylon, cut pile carpets, tufted into a synthetic primary foundation. It is then laminated with a filled, post industrial thermoplastic to a syn
3、thetic backing for improved rigidity and strength. This carpet is solution dyed. 2. APPLICATION This material was released originally for carpets used for trim applications. 3. REQUIREMENTS In addition to the requirements listed herein, the end-item carpet assembly (molded or otherwise fabricated) s
4、hall meet all requirements of the WSS-M8P16-A performance specification for trim applications. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SAMPLE SELECTION A
5、ll 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, pattern, and finish shall match the approved Design Center master sample, or shall be as specified on the en
6、gineering drawing. 3.4 COMPOSITION (ASTM D 276) Pile Yarn Nylon 6 Primary Foundation Material PET or PET/PA Backcoating Filled Polypropylene ENGINEERING MATERIAL SPECIFICATIONWSS-M3H133-A4 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 2 of 2 3.5 CONSTRUCTION 3.5
7、.1 Pile Yarn (ASTM D 1577) 105 - 115 tex t0 (nylon, crimped textured, bulked continuous filament, 1.0 1.5 tex). 3.5.2 Pile Count, min. (ASTM D 5793) Rows 48.0/100 mm Stitches 51.0/100 mm Rows and stitches per 100 mm shall be based on an average count on a 254 mm length of carpet. 3.5.3 Foundation Ma
8、terials Primary (Tufting Foundation) SBPET or SBPET/PA 3.5.4 Back coating The back coat shall form a continuous and uniform coating over the back of the carpet so that all pile fibers are covered. The back coat shall be thoroughly melted and shall maintain its ability to lock in the pile fibers in t
9、he end-item, molded carpet assembly. The back coat shall thoroughly saturate the base of the pile fiber bundles to ensure adequate tuft lock. Penetration of the back coat through to the face shall be controlled to provide the required resistance to abrasion and fiber loss, but precoat shall not be v
10、isible on the face of the pile fiber. 3.5.5 Needle Gauge 1.98 mm 3.5.6 Pile Height, max. 6.2 mm (ASTM D 5823) 3.6 WEIGHT, g/m2, min. (ASTM D 5848) Pile Yarn 515 Primary Foundation Material 100 Backcoating 1009 3.7 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.8 METHOD OF DYEING Solution Dyed
