1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Release/Revision Rev. 3 2008 10 30 N-STATUS Replaced by WSS-M15P32-C L. Sinclair, FNA 1993 02 26 C10258809 Released -A4 and Updated J.W.Williams 1992 03 06 C10198343 Released J.Joshi WP 3948-a Page 1 of 5 CARPET
2、COVERED MOULDED PART WSD-M3H97-A1 WSD-M3H97-A2 WSD-M3H97-A3 WSD-M3H97-A4 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a moulded part covered with random needled carpet. 2. APPLICATION These specifications were released originally for material used in the follo
3、wing application. WSD-M3H97-A1 Door Bin Covering WSD-M3H97-A2 Luggage Compartment Side Walls Covering WSD-M3H97-A3 Side Walls Covering WSD-M3H97-A4 Side Walls Covering 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform to the requirements of Ford Quality System Standard Q-101. A mutually
4、 acceptable Control Plan as described therein is required for material/source approval. Appropriate statistical tools must be used to analyze process/product data so that variation in the final product is continuously reduced. 3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company
5、 at its option, may conduct infrared and/or thermal analysis of material/parts supplied to this specification. The IR spectra and thermogram established for initial approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. All samples shall pr
6、oduce IR spectra and thermogram that correspond to the reference standard when tested 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 l
7、ess than 24 h prior to testing and tested under the same conditions unless otherwise specified. ENGINEERING MATERIAL SPECIFICATION WSD-M3H97-A1 WSD-M3H97-A2 WSD-M3H97-A3 WSD-M3H97-A4 WP 3948-b Page 2 of 5 3.4 REQUIREMENTS FOR THE COVER MATERIAL 3.4.1 WEIGHT, g/m2, min (FLTM BN 106-01) WSD-M3H97 A1 A
8、2 A3 A4 Fibre Wt 230 240 280 200 Primary Backing 40 50 - - Backcoating 270 100 - - Secondary Backing 30 - - - Phenolic Resin Felt - 900 - - Extruded Polypropylene - - 900 - Mouldable Needle Felt - - - 1000 _ _ _ _ 570 1290 1180 1200 3.4.2 THICKNESS, mm, min 2.4 2.0 3.0 3.0 (ISO 1765) 3.4.3 FIBRE COM
9、POSITION (ASTM D 276) A1 thru A3 100 % polypropylene UV stabilized A4 100 % polyester 3.5 SUBSTRATE As specified on Engineering Drawing. 3.6 REQUIREMENTS FOR THE FINISHED PART NOTE: In addition to the requirements quoted below, these materials must meet all the requirements of the Engineering Compon
10、ent Specification specified on the Engineering Drawing. 3.6.1 Resistance to Abrasion, min 100 cycles (FLTM BN 108-02, 500 g, H-10 wheels) After testing, the specimen must not show any greater signs of deterioration than the sample originally approved by the Materials Engineering Activity. 3.6.2 Resi
11、stance to Scuffing, min 100 cycles (FLTM BN 108-04, 900 g, A head) After testing, the specimen must not show any greater signs of deterioration than the sample originally approved by the Materials Engineering Activity. ENGINEERING MATERIAL SPECIFICATION WSD-M3H97-A1 WSD-M3H97-A2 WSD-M3H97-A3 WSD-M3H
12、97-A4 WP 3948-b Page 3 of 5 3.6.3 Resistance to Snagging, min 50 cycles (FLTM BN 108-07, 500 g, H-18 wheels) After testing, the specimen shall not show any signs of surface snagging or pilling of individual fibres or yarns greater than the sample originally approved by the Materials Engineering Acti
13、vity. 3.6.4 Resistance to Fade (SAE J1885, AATCC Evaluation Procedure 1) 112.8 kJ Rating 4.0 The material shall show no change in colour tone or evidence of spotting and it shall be equal to or better than the samples originally approved by the Materials Engineering Activity. 3.6.5 Resistance to Wat
14、er Rating 5.0 (FLTM AN 101-01, AATCC Procedure 3) 3.6.6 Resistance to Heat Aging (7 days at 90 +/- 2 C) Colour Change, min Rating 4 (AATCC Evaluation Procedure 1) The cover material shall show no evidence of delamination, tackiness, or exhibit a colour tone change. Any spotty or non-uniform staining
15、 or discoloration shall be cause for rejection. 3.6.7 Peel Adhesion Strength between Cover Material and Substrate, min (FLTM BN 151-05, Method B, min) Tested in any fabric direction: Original 15 N/50 mm After Heat Storage 15 N/50 mm After Cold Test 15 N/50 mm After Humidity Aging 15 N/50 mm 3.6.8 Re
16、sistance to Mildew The material shall exhibit no visible evidence of mildew growth and/or objectionable odour after 7 days exposure in a humidity cabinet maintained at 98 +/- 2 % relative humidity and 38 +/- 2 C. ENGINEERING MATERIAL SPECIFICATION WSD-M3H97-A1 WSD-M3H97-A2 WSD-M3H97-A3 WSD-M3H97-A4
17、WP 3948-b Page 4 of 5 3.6.9 Environmental Testing The cover material shall show no objectionable shrinkage or distortion, no evidence of delamination, tackiness or exhibit any colour tone change. Any spotty or non-uniform staining or discolouration shall be cause for rejection. Part submitted to 3 c
18、ycles: 24 h at 38 +/- 2 C and 95 +/- 5 % relative humidity 6 h at - 30 C +/- 2 C 12 h at 85 +/- 2 C 6 h at - 30 +/- 2 C 24 h at 38 +/- 2 C and 95 +/- 5 % relative humidity 3.6.10 Odor, max Rating 2 (FLTM BO 131-01) 3.6.11 Fogging (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 70 The formation of dro
19、plets or coalescence into a clear film is cause for rejection. 3.6.12 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.7 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the engineering drawing, engineering parts specification
20、and/or performance specifications. All critical areas with respect to these properties shall be designated on the Engineering drawing. 3.8 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be equivalent in all characteristics to the material upon which approval was originall
21、y granted. Prior to making any changes in the properties, composition, construction, colour, processing or labelling of the material originally approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notif
22、y Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Materials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. ENGINEERING MATERIAL SPECIFICATION WSD-M
23、3H97-A1 WSD-M3H97-A2 WSD-M3H97-A3 WSD-M3H97-A4 WP 3948-b Page 5 of 5 Substance restrictions imposed by law, regulations or Ford apply to the materials addressed by this document. The restrictions are defined in Engineering Material specification WSS-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials de
24、fined by this specification must have prior approval by the responsible Materials Engineering activity. Suppliers desiring approval of their materials shall first obtain an expression of interest from the affected Purchasing, Design and Materials Engineering activity. Upon request, the Supplier shal
25、l submit to the affected Materials Engineering activity 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 (test results, not nominal values), the m
26、aterial designation and code number, and test specimens for Ford evaluation. Fords engineering approval of a material will be based on its performance to this specification and on an assessment of suitability for intended processes and/or applications. Upon approval, the material will be added to the Engineering Material Approved Source List.
