1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 2 2008 10 29 N-STATUS No Replacement Named L. Sinclair, FNA 2005 01 12 Activated L. Soreide Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 2 CARPET, BCF NYLON, PALERMO PATTERN, LATEX, HEAVY WSS-M3H
2、137-B3 LAYER SUBSTRATE, 474 g/m NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are bulked continuous filament (BCF) nylon, cut pile carpets, tufted into a synthetic primary foundation. It is then coated with a latex and backed with a heavy layer substrate. This ca
3、rpet is piece dyed. 2. APPLICATION This material was released originally for carpets used for floor mat applications as part of the Carpet Construction Strategy. 3. REQUIREMENTS In addition to the requirements listed herein, the end-item carpet assembly (molded or otherwise fabricated) shall meet al
4、l requirements of the WSS-M15P44-A performance specification and the Sound and Heat Control (INSUL) SDS accessory mat applications. This carpet meets the Resistance to Abrasion requirement of 4,000 cycles per WSS-M15P44-A para. 3.11.2. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supp
5、liers and part producers must conform 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 APPEAR
6、ANCE (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. 3.4 COMPOSITION (ASTM D 276) Pile Yarn Nylon Primary Foundation Material 100% polyester Pre-coat Latex Back coat Heavy Layer Substrate ENGIN
7、EERING MATERIAL SPECIFICATIONWSS-M3H137-B3 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 2 3.5 METHOD OF DYEING Piece dyed 3.6 CONSTRUCTION 3.6.1 Pile Yarn (ASTM D 1577) 135 - 165 tex (nylon, crimped textured, bulked continuous filament, 2.3 2.8 tex). 3.6.2
8、Pile Count (ASTM D 5793) Rows 32/100 mm Stitches 48/100 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 set value. 3.6.3 Foundation Materials Primary (Tufting Foundation) Spun Bond Polyester 3.6.4 Pre-coati
9、ng The pre-coating shall form a continuous and uniform coating over the back of the carpet so that all pile fibers are covered. The pre-coating shall be thoroughly melted and shall maintain its ability to lock in the pile fibers in the end-item, molded carpet assembly. The pre-coating shall thorough
10、ly saturate the base of the pile fiber bundles to ensure adequate tuft lock. Penetration of the precoat through to the face shall be controlled to provide the required resistance to abrasion and fiber loss, but precoat shall not be visible on the face of the pile fiber. 3.6.5 Needle Gauge 3.2 mm 3.6.6 Pile Height 6.35 mm (ASTM D 5823) Pile height shall not exceed plus or minus 0.8 mm of the set value. 3.7 WEIGHT, g/m2, min (ASTM D 5848) Pile Yarn 420 Primary Foundation Material 105 Pre-coating 335 Backcoating 2000 3.8 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max
