1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 2 2008 11 05 N-STATUS Replaced by WSS-M15P32-C L. Sinclair, FNA 2004 01 29 Revised L. Soreide Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 2 CARPET, POLYESTER, FLAT NEEDLED, LATEX PRECOAT, WSS-M3
2、H138-A2 POLYETHYLENE BACKCOATED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are flat needled, polyester, non-woven carpets of good quality and uniform composition. 2. APPLICATION This specification was originally released for materials used for trunk covering m
3、aterial for the 1999 1/2 Ford Focus. 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-M15P32-C performance specification. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material sup
4、pliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). Part producers using this material in their products, must use Ford approved materials and must conform to a process control plan which has been approved by STA and/or the relevant
5、 Materials Activity. 3.2 SAMPLE SELECTION All evaluations shall be conducted on test specimens taken from production representative carpet. 3.3 COMPOSITION (ASTM D 276) Fiber 100% Polyester Pre-coat Latex Backcoating Polyethylene -LDPE 3.4 METHOD OF DYEING Solution dyed or equivalent ENGINEERING MAT
6、ERIAL SPECIFICATIONWSS-M3H138-A2 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 2 3.5 CONSTRUCTION 3.5.1 Fiber Size and Description 5 dtex/18 dtex (ASTM D 1244) (polyester) 3.5.2 Thickness, range 1.75 - 2.55 mm (ASTM D 418) 3.6 WEIGHT, min (FLTM BN 106-01) Pile Fiber 210 - 290 g/m2Pre-coat 45 - 55 g/m2Backcoating 65 - 135 g/m2Total 320 - 480 g/m23.7 PHYSICAL PROPERTIES 3.7.1 Shrinkage, max. 1.5% (FLTM BN 105-01) 3.7.2 Breaking Strength, min. (ASTM D 5034, Grab Method, 305 mm/minute jaw speed) MD 555 N AMD 685 N
