FORD WSS-M1F30-B-2014 LEATHER GENUINE FULL GRAIN SPECIALITY CHROME TANNED OR CHROME FREE TANNED TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 01 2014 03 03 Editorial Removed selection A from scope L. Schmalz, NA 2010 06 11 Activated M Dumitrescu, NA / J Williams FOE Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 6 LEATHER, GENUINE, FULL

2、GRAIN, SPECIALITY, WSS-M1F30-B CHROME TANNED OR CHROME FREE TANNED 1. SCOPE The materials defined by this specification are full grain, steer or heifer hides which have been tanned and softened to provide maximum seating comfort without sacrificing the leathers remaining physical properties. 2. APPL

3、ICATION This specification was released originally for aniline leather used as interior trim and seating leather. Under no circumstances shall this leather be subjected to steam heat, water, organic solvents or cleaners during the manufacturing process. No buffing stuccoing, filling or other repair

4、is permitted 2.1 LIMITATIONS Speciality leathers, which may include full aniline leather are natural products which may not be finished and hence have no colour coating or protective lacquer, however a light protective coating is preferred to increase UV stability and to impart some degree of stain

5、and water resistance. This type of leather will wear, stain, soil and fade in excess of traditional pigmented leather. Specific usage guidelines and care instructions should be supplied with the vehicle. Customers and dealers should be advised that these products will not perform in the same way as

6、traditional pigmented leathers. A limited warranty should also be considered. 3. REQUIREMENTS 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. 3.

7、1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for production materials (WSS-M99P1111-A). 3.2 SAMPLE SELECTION Samples for testing shall be selected according to paragraph 3.3 in WSS-M99P43-B. 3.3 APPEARANCE (

8、FLTM BI 109-01) The colour, grain, visual aesthetics, hand and finish shall match the approved Design Centre Master Sample and shall be as specified on the Engineering Drawing. It is the responsibility of the leather supplier/cutter, the first receiving location and/or the Tier One Seat Supplier to

9、follow the direction of the relevant Natural Characteristics Standard, copies of which are available from Color and Materials NA or Thierry in Europe. (Addresses in Appendix 1) ENGINEERING MATERIAL SPECIFICATION WSS-M1F30-B Copyright 2014, Ford Global Technologies, LLC Page 2 of 6 3.4 GRADE Aniline

10、leather or lightly finished leather may have little or no surface finish or protective lacquer thus all of the natural markings and dye variation may be fully visible. The leather must be through dyed to prevent undyed fibers from showing through after sewing or perforation. 3.5 THICKNESS, range 1.0

11、 1.5mm* (ASTM D 1813) 1.5 2.0mm* *Or as specified by Seat Engineering Approved per Ford Colour and Materials Design/Mastering master hide. These values and any selected deviations from the above values must be reported on the construction package and specified on Approved Source List. 3.6 COLOUR PRO

12、PERTIES General Acceptance Criteria: The material shall not exhibit any change in appearance such as colour change, tone change, fading or gloss change in excess of the required AATCC rating. In addition, the material shall not exhibit staining, blistering, flaking, chipping, checking, chalking, cra

13、cking, splits, sinks, bulges, peeling, tackiness or delaminating. 3.6.1 Resistance to Fade (FLTM BO 116-01, ISO 105-A02/ AATCC Evaluation Procedure 1) 977.6 kJ/m2, min Rating 3 In addition, the material must remain flexible and exhibit no cracking when bent around a 6.4 mm mandrel. 3.6.2 Resistance

14、to Cleaning Agents, Max discoloration (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Substitute the leather for the textile material. Saturate white cotton cloth with the cleaners listed. Cleaners 1) Window cleaner with ammonia (10 cycles) Rating 3 2) Isopropyl Alcohol/Wat

15、er 50% v/v (5 cycles) Rating 2 3) Vinyl and Leather Cleaner (10 cycles) Rating 3 3.6.3 Soiling and Cleanability, min. Rating 3 (FLTM BN 112-08, ISO 105-A02/ AATCC Evaluation Procedure 2) Standard Soil Grease Coffee ENGINEERING MATERIAL SPECIFICATION WSS-M1F30-B Copyright 2014, Ford Global Technologi

16、es, LLC Page 3 of 6 3.7 WEAR RESISTANCE 3.7.1 Resistance to Scuffing, min 200 cycles (SAE J365, Scuff Head A) There shall be no tearing or breakthrough of the surface grain structure, and the colour of the scuffed area shall be compatible with the non-scuffed area and must be reviewed and approved b

17、y the responsible Materials Engineer. There shall be no permanent parallel deformation to the surface. 3.7.2 Simulated Seat Wear, 8,000 cycles Report change of (FMVSS 209, S5.1 (d), finish to russet except replace the hexagonal steel rod with a 40 mm dia. round steel rod covered with 2 mm thick rubb

18、er sheet, 80 +/- 5 Shore A and abrade with No 8 cotton duck) Gloss change/burnishing is acceptable, but no damage through the grain into the underlying russet. 3.7.3 Resistance to Pilling Wear Report change of (FLTM BN 108-14, 89 N load, 5 minutes) surface appearance Gloss change/burnishing is accep

19、table, but no damage through the grain into the underlying russet. 3.8 SHRINKAGE, max. 6% (FLTM BN 105-03, except Heat Cycle 100 +/-2 C, 3 cycles) 3.9 STIFFNESS, target range* mm (FLTM BN 157-02) Thickness 1.0 -1.5mm 60 +/- 10mm Thickness 1.5 - 2.0mm 70 +/- 10mm Stiffness measurements shall be taken

20、 along either side of the backbone. *Pending further data collection 3.10 STRETCH AND SET* (SAE J855) Stretch, max 25% Set, max 10% *Or as required by Seat Engineering Perforated As specified by C&M and Seat Engineering, dependant upon perforation pattern ENGINEERING MATERIAL SPECIFICATION WSS-M1F30

21、-B Copyright 2014, Ford Global Technologies, LLC Page 4 of 6 3.11 MATERIAL EMISSIONS IN COMPARTMENT AIR 3.11.1 Fogging Method A: Photometric Procedure (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number, min 45 If oily droplets, crystals or clear film are pr

22、esent and the fog number is greater than 45, sample must be retested per para 3.11.2. If the fog number is less than 45, the material is rejected. 3.11.2 Method B: Gravimetric Procedure (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning, 4 h) Samples shall be predried by s

23、toring in a dessicator over phosphorous pentoxide or silica gel or equivalent for a period of 2days. Weight of Condensate, max 7mg 3.12 LEATHER FUNCTIONAL PROPERTIES Leather wear and process capability tests are required for all seating applications. In addition, other trim applications may require

24、unique functional evaluations. These tests should be evaluated by a cross-functional team prior to Colour and Material strategy approval to assess the effects of the leather selection, seat style, sew style, leather perforation, foam hardness, etc. on the predicted level of customer satisfaction and

25、 long term durability. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 SOFTNESS, min 4.0mm (FLTM BN 157-01, BLC ST300 Softness Tester, Report value using a 25 mm diameter (nominal) aperture) Per Fo

26、rd Color and Materials Design/Mastering master hide. 4.2 COATING THICKNESS, max Report microns (ISO 17186) In addition there shall be no excessive voids in the coating or evidence of poor adhesion. 4.3 COEFFICIENT OF FRICTION Report value (ASTM D 1894 or mutually agreed upon equivalent) ENGINEERING

27、MATERIAL SPECIFICATION WSS-M1F30-B Copyright 2014, Ford Global Technologies, LLC Page 5 of 6 4.5 FINISH COATING Complete Supplement A * Recommended values Supplement A Crust Coating Layer 1 Chemistry % Volume Solids Solvent Package VOC FLTM BZ 157-01 Formaldehyde FLTM BZ 156-01 Coating Weight Wet Co

28、ating Weight Dry Coating Thickness (total thickness) Curing Time Curing Method Fat Content of the Crust ISO 4048 7-13%* Moisture Content of the Crust ASTM D 3790 PH Value ISO 4045 3.5* ENGINEERING MATERIAL SPECIFICATION WSS-M1F30-B Copyright 2014, Ford Global Technologies, LLC Page 6 of 6 APPENDIX I

29、 LEATHER NATURAL CHARACTERISTICS STANDARD Color and 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