1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 08 30 Activated L. Soreide Printed copies are uncontrolled Page 1 of 3 Copyright 2002, Ford Global Technologies, Inc. CARPET, MOLDABLE, FLATNEEDLED POLYESTER FACE, WSS-M3H83-A2 340 g/m2, BACKED WITH REC
2、LAIMED SYNTHETIC FIBER 1. SCOPE The material defined by this specification is a scrimless integrated mat consisting of a base reclaimed synthetic fiber pad with a flat needled polyester fiber face, uniformly needled together to form a composite product. 2. APPLICATION This specification was released
3、 originally for material used as molded convertible sides for the S197. 3. REQUIREMENTS In addition to the requirements listed herein, the end-item carpet assembly (molded or otherwise fabricated), shall meet all the applicable requirements of WSS-M15P32-C TRIM ASSEMBLY, ENCLOSED LUGGAGE COMPARTMENT
4、 COVERING PERFORMANCE SPECIFICATION, with 600 cycles as the required number of cycles for paragraph 3.9.1 and excluding paragraph 3.8.2 unless otherwise specified on the Engineering Document. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the
5、 Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SAMPLE SELECTION All evaluations shall be conducted of test specimens taken from production representative molded carpet assemblies. Test specimens for strength properties shall be taken from molded or stressed areas of t
6、he carpet assembly. 3.3 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or crystals is cause for rejection. ENGINEERING MATERIAL SPECIFICATION WSS-M3H83-A2 Page 2 of 3 Copyright 2002, Ford Global
7、Technologies, Inc. 3.4 APPEARANCE (FLTM BN 109-01) The color, pattern and finish shall match the approved Design Center master sample, or shall be as specified on the engineering drawing. 3.5 COMPOSITION (ASTM D 276) Face Fiber 100% Polyester Base Pad 50% polypropylene fibers and 50% acrylic fibers
8、or other synthetics 3.6 DYE METHOD Solution dyed or equivalent 3.7 CONSTRUCTION 3.7.1 Fiber Size & Description 6- 18 dtex (ASTM D 1244) 50.6 101.2mm 3.7.2 Thickness, min As specified on engineering drawing. (ASTM D 418) *Prior to molding 3.7.3 Needle Gage, min 3.5 rows/cm 3.8 WEIGHT, Min, g/m2 (ASTM
9、 D 418) Face Fiber 340 Base Pad As specified on the engineering drawing. 3.9 PHYSICAL PROPERTIES (roll goods) 3.9.1 Breaking Strength, N, min, (ASTM D 1682, Grab Method) MD and AMD 650 3.9.2 Heat Shrinkage, max 3.0% (FLTM BN 105-01) ENGINEERING MATERIAL SPECIFICATION WSS-M3H83-A2 Page 3 of 3 Copyrig
10、ht 2002, Ford Global Technologies, Inc. 3.9.3 Trapezoidal Tear, N, min, (FLTM BN 122-01) MD 135 AMD 180 3.9.4 Adhesion of Surface Fiber to Base Pad, min (ASTM D 413, Machine Method, Strip Specimens Type A, sample size 150 X 50 mm, average of 4 samples in each direction, jaw speed 305 mm/minute) The
11、pull necessary to separate the carpet and the pad, or the internal strength of the pad shall be as follows: Original 13 N Cycled (FLTM BN 113-01) 13 N Cycled samples shall be exposed to alternating humidity, cold and heat aging cycles per FLTM BN 113-01. Upon completion of the cycle aging, samples shall be conditioned for one hour at the standard laboratory conditions specified in paragraph 3.3 prior to testing. 3.10 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute
