1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Release No. Released 2008 11 03 N-STATUS Replaced by WSS-M8P16-B L. Sinclair, FNA 1994 03 31 C10348585 Revised Para 3.8 J.W.Williams 1992 07 16 C10229032 Released J.M.Joshi WP 3948-a Page 1 of 5 CARPET, POLYPROPYLENE, CUT PI
2、LE, VELOUR, TUFTED WSD-M3H100-A1 WSD-M3H100-A2 WSD-M3H100-A3 WSD-M3H100-A4 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a polypropylene cut pile, velour, tufted carpet with polyolefin or alternative approved resin backcoating. 2. APPLICATION This specification
3、 was released originally for material used in the following CDW27 wagon applications. WSD-M3H100-A1 Interior Floor Covering WSD-M3H100-A2 Squab Back WSD-M3H100-A3 Exposed Load Compartment Floor Covering WSD-M3H100-A4 Side Walls Covering 3. REQUIREMENTS 3.1 STATISTICAL PROCESS Suppliers must conform
4、to the requirements of Ford Quality System Standard Q-101. A mutually 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
5、INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS Ford Motor Company, at its option, may conduct infrared and/or thermal analysis of material/parts supplied to this specification. The IR spectra and thermograms established for initial approval shall constitute the reference standard and shall be ke
6、pt on file at the designated material laboratory. All samples shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. ENGINEERING MATERIAL SPECIFICATION WSD-M3H100-A1/A2/A3/A4 WP 3948-b Page 2 of 5 3.3 CONDITIONING AND TEST CONDITIONS
7、 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 otherwise specified. 3.4 SAMPLE SELECTION Wherever possible, all evaluatio
8、ns shall be conducted on test specimens taken from the production carpet assemblies. Wherever shown, the asterisk indicates that test samples must be taken from footwell area. 3.5 APPEARANCE (FLTM BI 109-01) The colour, pattern, and finish shall match the approved Design Centre master sample, or sha
9、ll be as specified on the engineering drawing. 3.6 COMPOSITION (ASTM D 276) 3.6.1 Pile 100 % polypropylene 3.6.2 Primary Backing Polyester, spun bonded 3.6.3 Backcoating Polyolefin/latex or other engineering approved alternative 3.6.4 Secondary Backing Polyester, spun bonded 3.7 WEIGHT, min (FLTM AN
10、 102-02/ASTM D 418) *A1 A2 A3 A4 Pile 360 300 300 300 Primary Backing 75 75 75 75 Latex - - 40 40 Alternative Polyolefin 335 - - - Adhesive - - 220 100 Secondary Backing 20 - - - Extruded Polypropylene - 810 - - Acoustic Needlefelt - - 1400 800 Impregnation - - - 400 - - - - 790 1185 2035 1715 ENGIN
11、EERING MATERIAL SPECIFICATION WSD-M3H100-A1/A2/A3/A4 WP 3948-b Page 3 of 5 3.8 RESISTANCE TO ABRASION, min (FLTM BN 108-02 H-10 wheels) A1, 1000 g load A2, A3 & A4, 500 g load *A1 A2 A3 A4 Cycles 1200 400 400 100 After testing, the specimen must not show any greater signs of deterioration than the s
12、ample originally approved by the Materials Engineering Activity. 3.9 RESISTANCE TO FADE (SAE J1885, AATCC Evaluation Procedure 1) A1 112.8 kJ Rating 4.0 A2, A3 and A4 225.6 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
13、the samples originally approved by the Materials Engineering Activity. 3.10 RESISTANCE TO WATER Rating 5.0 (FLTM AN 101-01, AATCC Procedure 3) 3.11 RESISTANCE TO HEAT AGEING (7 days at 90 +/- 2 C) Colour Change, min Rating 4 (AATCC Evaluation Procedure 1) The cover material shall show no evidence of
14、 delamination, tackiness, or exhibit a colour tone change. Any spotty or non-uniform staining or discoloration shall be cause for rejection. 3.12 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
15、 Heat Storage 15 N/50 mm After Cold Test 15 N/50 mm After Humidity Aging 15 N/50 mm 3.13 RESISTANCE 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
16、 C. ENGINEERING MATERIAL SPECIFICATION WSD-M3H100-A1/A2/A3/A4 WP 3948-b Page 4 of 5 3.14 SOILING AND CLEANABILITY The test area of the carpet should be sprinkled with 2 gm of min dried grass (5 mm max length). Using a pilling machine (or equivalent) with 1 kg load on the clamp holder rub the cutting
17、s into the carpet for 10 minutes. Remove the test specimen and vacuum clean the soiled area. There should be no cuttings trapped in the carpet fibres. 3.15 ENVIRONMENTAL TESTING The cover material shall show no evidence of delamination, shrinkage, tackiness or exhibit any colour tone change. Any spo
18、tty or non-uniform staining or discolouration shall be cause for rejection. Part submitted to 3 cycles: 24 h at 38 +/- 2 C and 95 +/- 5 % RH 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 % RH 3.16 ODOUR, max Rating 2 (FLTM BO 131-01) 3.17 FOGGING (FLTM
19、BO 116-03, 3 h at 100 C) Fog Number, min 70 Formation of a clear film, droplets or crystals is cause for rejection. 3.18 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute 3.19 ADDITIONAL REQUIREMENTS Specific requirements for material and/or manufactured parts shall be specified on the E
20、ngineering drawing. Engineering drawing, Engineering parts specification and/or performance specification. All critical areas with respect to these properties shall be clearly designated on the engineering drawing. 3.20 SUPPLIERS RESPONSIBILITY All materials supplied to this specification must be eq
21、uivalent in all characteristics to the material upon which approval was originally granted. ENGINEERING MATERIAL SPECIFICATION WSD-M3H100-A1/A2/A3/A4 WP 3948-b Page 5 of 5 Prior to making any change in the properties, composition, construction, colour, processing or labelling of the material origina
22、lly approved under this specification, whether or not such changes affect the materials ability to meet the specification requirements, the Supplier shall notify Purchasing, Toxicology and the affected Materials Engineering activity of the proposed changes and obtain the written approval of the Mate
23、rials Engineering activity. Test data, test samples and a new code identification are to be submitted with the request. Substance restrictions imposed by law, regulations or Ford, apply to the materials addressed by this document. The restrictions are defined in Engineering Material Specification WS
24、S-M99P9999-A1. 4. APPROVAL OF MATERIALS Materials defined 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 E
25、ngineering activity. Upon request, the Supplier shall submit to the affected Materials Engineering activity a completed copy of their laboratory test reports, signed by a qualified and authorised representative of the test facility, demonstrating full compliance with all the requirements of this spe
26、cification (test results, not nominal values), the material 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 applicati
27、ons. Upon approval, the material will be added to the Engineering Material Approved Source List. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of WSD-M3H100-A1. 5.1 CONSTRUCTION (Raw Material) (ASTM D 418 & ASTM D 1244) A1 Yarn Size, nom 1540 dtex Twist, nom 212 t/m Alpha - 80 Stitches, min 48/10 cm Rows, min 39/10 cm Height, min 5.0 mm Tufts, min 1872/100 cm2 Tufting Machine Gauge 2.5 mm 5.2 ADDITIONAL WEIGHT INFORMATION Base Fabric, min 75 g/m2 Polyolefin/latex, min 335 g/m2 Secondary Backing, min 20 g/m2
