1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 02 2015 09 16 N Status No future or known usage L. Sinclair, NA 2001 03 19 Revised Added A4 & updated M. Dumitrescu 2000 08 08 Activated M. Dumitrescu Page 1 of 3 Copyright 2015, Ford Global Technologies
2、 Inc. CARPET, POLYESTER, DILOUR, NEEDLED, MOLDABLE - WSS-M3H104-A3 LATEX PRECOAT, POLYETHYLENE BACKCOATED CARPET, POLYESTER, DILOUR, NEEDLED, MOLDABLE - LATEX PRECOAT, POLYETHYLENE AND EVA BACKCOATED WSS-M3H104-A4 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications
3、are dilour, needled, polyester fiber, non-woven carpets of good quality and uniform composition. The carpet is precoated with a synthetic latex and has a polyethylene backcoating A3 or Polyethylene/EVA backing A4. 2. APPLICATION This specification was originally released for materials used for trunk
4、 liner for in the covered storage area (enclosed luggage compartment) of the 2001 Ford sport utility. It should not be used in exposed load floor applications. 3. REQUIREMENTS In addition to the requirements listed herein, the end-item carpet assembly (molded or otherwise fabricated) shall meet all
5、requirements of the WSS-M15P32-C performance specification. Material specification requirements are to be used for initial qualification of materials. 3.1 QUALITY SYSTEM REQUIREMENTS Material suppliers and part producers must conform to the Companys Quality System Requirements. 3.2 INFRARED SPECTROP
6、HOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond to the reference standard when t
7、ested under the same conditions. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless other
8、wise specified. ENGINEERING MATERIAL SPECIFICATION WSS-M3H104-A3/A4 Page 2 of 3 Copyright 2015, Ford Global Technologies, Inc. 3.4 SAMPLE SELECTION All evaluations shall be conducted on test specimens taken from production representative carpet. 3.5 COMPOSITION (ASTM D 276) Fiber 100 % Polyester Pre
9、coat Latex Backcoating Polyethylene (A3) Polyethylene/EVA (A4) 3.6 METHOD OF DYEING Solution dyed or equivalent 3.7 CONSTRUCTION 3.7.1 Fiber Size and Description 4.9 dtex/7.6 dtex (ASTM D 1244) (polyester) 3.7.2 Thickness, range 1.75 - 2.55 mm (ASTM D 418) 3.8 WEIGHT, g/m2, min (FLTM BN 106-01) A3
10、A4 Pile Fiber 220 275 2203 2751 Pre-coat 135 2003 1256 1554 Backcoating PE 575 6403 1803 2203 Backcoating EVA 1755 2145 Total 9350 - 1115086 22807 27953 3.9 PHYSICAL PROPERTIES 3.9.1 Shrinkage, +/- 1.5% (FLTM BN 105-01) 3.9.2 Breaking Strength, min (ASTM D 5034, Grab Method, 305 mm/minute jaw speed)
11、 A3 A4 MD 550 N 360 N (avg 498 N) AMD 650 N 300 N (avg 498 N) ENGINEERING MATERIAL SPECIFICATION WSS-M3H104-A3/A4 Page 3 of 3 Copyright 2015, Ford Global Technologies, Inc. 3.10 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the mat
12、erial upon which approval was originally granted. Prior to making any changes to the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify the affected Purchasing, and Material
13、s Engineering activities (with reasons) of the proposed changes. Upon notification of the Company, further instructions will be provided. Note: Suppliers should be prepared to provide test data and samples demonstrating compliance to this specification, if requested. Substance restrictions imposed b
14、y regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in Restricted Substance Management Standard WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined by this specification for direct supply to the Company must have prior appro
15、val. Certain materials subcontracted by part suppliers may also require prior approval. These include materials critical to the Companys business for regulatory, safety, environmental or compatibility requirements or contractual agreements. Suppliers desiring approval of their materials shall first
16、obtain an expression of interest from Purchasing, Design or Materials Engineering activity. Upon request, the Supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of this specification.
