1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 08 13 N-STATUS Replaced by WSS-M3H115-B L. Sinclair, NA 2007 08 31 Revised Inactivated and removed WSS-M3H115-A, A3 & A4 D. Whyte 1995 03 10 Activated D. Henrickson, LAG Printed copies are uncontrolled Copyright 2010, Ford Global Technolo
2、gies, LLC Page 1 of 3 CARPET, BCF NYLON, CUT PILE, LATEX BACKED, WSS-M3H115-A2 LANIER PATTERN, 407 g/m2NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are fine denier, bulked continuous filament (BCF) nylon, cut pile carpets, tufted into a synthetic primary foundat
3、ion. The material is coated with a latex backcoating. 2. APPLICATION This material was released originally for material used on accessory mats. 3. REQUIREMENTS In addition to the requirements listed herein, the end-item carpet or mat assembly (molded or otherwise fabricated), shall meet all applicab
4、le performance specifications and/or requirements specified on the engineering drawing. 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 SAMPLE SELECTION All eval
5、uations shall be conducted on test specimens taken from finished roll goods prior to any subsequent operations, such as reheating or molding. 3.5 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 engineeri
6、ng drawing. 3.6 COMPOSITION (ASTM D 276) Pile Yarn 100% Nylon Primary Foundation * Material Backcoating Latex ENGINEERING MATERIAL SPECIFICATIONWSS-M3H115-A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 Precoat - Secondary Backing - Material * As specifie
7、d on the Approved Source List * As required to achieve specified tuft lock and fiber weight loss. 3.7 CONSTRUCTION 3.7.1 Pile Yarn (ASTM D 1244) 150 - 160 tex f80 t0 (nylon, crimped, textured, bulked continuous filament, 1.9 - 2.4 tex) 3.7.2 Pile Count (ASTM D 418) Rows/100 mm 39.4 Stitches/100 mm 4
8、2.1 Rows and stitches per 100 mm shall be based on an average count on a 254 mm length of carpet and shall not exceed - 2/100 mm. 3.7.3 Foundation Material Primary * (Tufting Foundation) Secondary - (Backing Material) *As specified on the Approved Source List 3.7.4 Backcoating Latex: WSS-M3H115-A2 T
9、he latex shall form a continuous and uniform coating over the back of the carpet so that all pile fibers are covered. The latex shall maintain its ability to lock in the pile fibers in the end-item carpet assembly. The latex shall thoroughly saturate the base of the pile fiber bundles to ensure adeq
10、uate tuft lock. Penetration of the latex through to the face shall be controlled to provide the required resistance to abrasion and fiber loss, but it shall not be visible on the face of the pile fiber. 3.7.5 Needle Gauge 2.5 mm 3.7.6 Pile Height, min 4.0 mm (ASTM D 418) ENGINEERING MATERIAL SPECIFI
11、CATIONWSS-M3H115-A2 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.8 WEIGHT, range, g/m2(ASTM D 418/FLTM AN 102-02) Pile Yarn 407 - 424 g/m2Primary Foundation Material * Latex Backcoating * *As required to meet tensile and trap tear strength requirements
12、per the applicable performance specification and/or as specified on the engineering drawing. * As required to meet tuft pull, fiber weight loss, abrasion and bearding requirements on the end item molded carpet per the applicable performance specification and/or as specified on the engineering drawin
13、g. 3.9 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.11 MOLDED ASSEMBLY REQUIREMENTS - WSS-M3H115-A2 ONLY 3.11.1 Breaking Strength, Dry & Wet, min 400 N (ASTM D 5034, Grab Method, Avg. of 5 tests, both directions) 3.11.2 Tear Strength, Trapezoid, Dry & Wet, min (ASTM D 1117, Avg. o
14、f 5 tests) MD 67 N AMD 53 N 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. The original carpet construction approved under this specification employed primary and secondary backings as follows: 5.1 COMPOSITION (ASTM D 276) Primary Foundation Material 100% Polyester Secondary Backing Material - 5.2 CONSTRUCTION (ASTM D 418) Primary Foundation Material 100 g/m2spun bonded polyester Secondary Backing Material -
