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    FORD WSS-M1F28-C-2015 LEATHER GENUINE FULL GRAIN HIGH WEAR CHROME TANNED OR CHROME FREE TANNED TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSS-M1F28-C-2015 LEATHER GENUINE FULL GRAIN HIGH WEAR CHROME TANNED OR CHROME FREE TANNED TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 2 2015 05 15 Editorial Removed section 2 statement except as specified below L. Schmalz, NA 2014 03 03 Editorial Removed selection A from scope L. Schmalz, NA 2012 02 27 Activated M. Dumitrescu NA J.W. Williams, EU Controlled document at

    2、 www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 4 LEATHER, GENUINE, FULL GRAIN, HIGH WEAR WSS-M1F28-C CHROME TANNED OR CHROME FREE TANNED 1. SCOPE The materials defined by this specification are finished, full grain, steer or heifer hides which have been tanned and softened to prov

    3、ide maximum seating comfort without sacrificing the leathers remaining physical properties. 2. APPLICATION This specification was released originally for high wear seat applications such as seat bolsters where improved wear resistance is required. Because the hand and appearance characteristics will

    4、 be adversely affected, the leather shall not be subjected to steam or radiant heat or organic solvents during any manufacturing process. No buffing, stuccoing, filling or other repair is permitted. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part produc

    5、ers must conform to the Companys Standard Requirements for production materials (WSS-M99P1111-A). Materials manufactured to this specification shall also meet the requirements contained in WSS-M99P43-B. For all test methods, no individual specimen shall fall below the minimum values specified herein

    6、. 3.2 SAMPLE SELECTION Samples for testing shall be selected according to paragraph 3.3 in WSS-M99P43-B. 3.3 APPEARANCE (FLTM BI 109-01) The color, grain, visual aesthetics, hand and finish shall match the approved Design Center master sample and shall be as specified on the Engineering Drawing. It

    7、is the responsibility of the leather supplier/cutter, the first receiving location and/or the tier one seat supplier to follow the direction of the relevant Natural Characteristics Standard, copies of which are available from Color and Materials North America or Thierry in Europe. (Addresses in Appe

    8、ndix I) 3.4 GRADE The leather must be through dyed to prevent undyed fibers from showing through after sewing or perforation. Also, the color of the dye must be compatible in appearance with the surface coating. 3.5 FINISH All hides shall show no paint defects or surface blemishes affecting the appe

    9、arance of the material, such as brush marks or stops and bad flows. ENGINEERING MATERIAL SPECIFICATION WSS-M1F28-C Copyright 2015, Ford Global Technologies, LLC Page 2 of 4 3.6 THICKNESS 1.0 - 1.5 mm (ASTM D 1813) or as specified on the Engineering Drawing 3.7 SHRINKAGE 5.0% max (FLTM BN 105-03, exc

    10、ept Heat Cycle 100 +/-2 C, 3 cycles) 3.8 ADHESION OF SURFACE COATING (ISO 11644, Adhesive: Cyanoacrylate - Sicomet 8400 or equivalent Supplier: Henkel, or equivalent. Condition bonded test specimens for 1 hour min.) As received 5N/10mm min After humidity per WSS-M99P43-B, clause 3.5.1.4 5N/10mm min

    11、3.9 STIFFNESS 65 +/- 10mm (FLTM BN 157-02) Stiffness measurements shall be taken on either side of the backbone. 3.10 STRETCH AND SET* (SAE J855) Stretch 25% max Set 10% max Perforated: As specified by Seat Engineering, dependant upon perforation pattern * Or as required by Seat Engineering 3.11 RES

    12、ISTANCE TO PILLING WEAR 15 minutes and. (FLTM BN 108-14, 111 N load, evaluation at each 5 minutes) Report time to wearthrough the finish to the russet 3.12 LEATHER FUNCTIONAL PROPERTIES Leather wear and process capability tests are required for all seating applications. In addition, other trim appli

    13、cations may require unique functional evaluations. These tests should be evaluated by a cross-functional team prior to Color and Materials strategy approval to assess the effects of the leather selection, seat style, sew style, leather perforation, foam hardness, etc. on the predicted level of custo

    14、mer satisfaction and long term durability. 4 GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 SOFTNESS 3.5 +/- 0.5 mm* (FLTM BN 15

    15、7-01, BLC ST300 Softness Tester, using a 25 mm diameter (nominal) aperture) Softness measurements shall be taken on either side of the backbone. ENGINEERING MATERIAL SPECIFICATION WSS-M1F28-C Copyright 2015, Ford Global Technologies, LLC Page 3 of 4 *Ford Color and Materials Design/Mastering approve

    16、s a master hide and softness should be specified on the Approved Source List. 4.2 COATING THICKNESS Report microns (ISO 17186) The coating should not exhibit excessive voids or evidence of poor adhesion. 4.3 COEFFICIENT OF FRICTION Report value (ASTM D 1894 or mutually agreed upon equivalent) 4.4 FI

    17、NISH COATING Complete Supplement A * Recommended values * Recommended Test Method Pigmentation: List the pigments used to obtain the color. Supplement A Crust Coating Layer 1 Coating Layer 2 Coating Layer 3 Chemistry % Volume Solids Solvent Package VOC FLTM BZ 157-01 Formaldehyde FLTM BZ 156-01 Coat

    18、ing Weight Wet Coating Weight Dry Coating Thickness (total thickness) Time between application of each coating layer Curing Time Curing Method Fat Content of the Crust ASTM D 3495 ISO 4048* 7-12%* Moisture Content of the Crust ASTM D 3790 PH Value ASTM D 2810-07 ISO 4045* 3.5* ENGINEERING MATERIAL S

    19、PECIFICATION WSS-M1F28-C Copyright 2015, Ford Global Technologies, LLC Page 4 of 4 APPENDIX I LEATHER NATURAL CHARACTERISTICS STANDARDColor& Materials North America Ford Motor Company 20901 Oakwood Boulevard Dearborn Michigan 48124 USA Tel: +1 313 3373816 Thierry Przisionslackiertecknik GmbH Motorstrasse, 30 70499 Stuttgart Germany Tel: +49 (0) 711 83 99 74 72 Fax +49 (0) 711 83 99 74 80 Email: master.samplesthierry-gmbh.de


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