1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2010 03 04 N-STATUS No replacement named L. Sinclair, NA 2003 02 24 Activated L. Soreide Printed copies are uncontrolled Page 1 of 3 Copyright 2010, Ford Global Technologies, Inc. CARPET, BCF NYLON, MINI-BER
2、BER, 680 g/m2WSS-M3H134-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a bulked continuous filament (BCF) nylon, loop pile carpet, tufted into a synthetic primary foundation, and then coated. The coated carpet is then vulcanized with a rubber back coating. 2.
3、APPLICATION This specification was released originally for material used for floor mat applications on 2003 Ford vehicles. 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-M15P44-A perf
4、ormance specification and the Sound and Heat (INSUL) SDS for floor mat 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 All evaluat
5、ions shall be conducted on test specimens taken from finished floor mats. 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 engineering drawing. ENGINEERING MATERIAL SPECIFICATION WSS-M3H134-A Page 2 o
6、f 3 Copyright 2010, Ford Global Technologies, Inc. 3.4 COMPOSITION (ASTM D 276) Pile Yarn Nylon 6 or Nylon 6,6 Primary Foundation Material 100 % Polypropylene Pre-coat Latex 3.5 METHOD OF DYEING Piece dyed 3.6 CONSTRUCTION 3.6.1 Pile Yarn (ASTM D 1577) 140 - 171 tex/2 Ply & 140 171 tex/3 Ply (bulked
7、 continuous filament nylon). 3.6.2 Pile Count (ASTM D 5793) Rows 31.5/100 mm Stitches 35.4/100 mm Rows and stitches per 100 mm shall be based on an average count on a 254 mm length of carpet and shall not exceed plus or minus 10% of the value 3.6.3 Foundation Materials Primary (Tufting Foundation) W
8、oven Polypropylene 3.6.4 Backcoating The pre-coat shall form a continuous and uniform coating over the back of the carpet so that all pile fibers are covered. The pre-coat shall be thoroughly applied and shall maintain its ability to lock in the pile fibers in the end-item, floor mat. The pre-coat s
9、hall thoroughly saturate the base of the pile fiber bundles to ensure adequate tuft lock. Penetration of the pre-coat through to the face shall be controlled to provide the required resistance to abrasion and fiber loss, but pre-coat shall not be visible on the face of the pile fiber. ENGINEERING MA
10、TERIAL SPECIFICATION WSS-M3H134-A Page 3 of 3 Copyright 2010, Ford Global Technologies, Inc. 3.6.5 Needle Gauge 2.3 - 2.7 mm 3.6.6 Pile Height, min Low loop 3.175 mm (ASTM D 5823) High loop 5.55 mm Pile Height and Gauge shall not exceed minus 10% of the set value. 3.7 WEIGHT, g/m2, range (ASTM D 5848) Pile Yarn 609 - 745 Primary Foundation Material 110 - 130 Pre-coat 335 - 410 3.8 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute