FORD WSS-M99P43-B-2013 PERFORMANCE GENUINE LEATHER TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2013 11 21 N Status Replaced by WSS-M99P43-C L. Schmalz, NA 2009 05 21 Activated M. Dumitrescu; NA J Williams, EU Controlled document at www.MATS Copyright 2013, Ford Global Technologies, LLC Page 1 of 12 PERFORMANCE, GENUINE LEATHER W

2、SS-M99P43-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE This specification defines the performance requirements for interior trim and seating leather. 2. APPLICATION This specification was released to outline the performance of interior trim and seating leather, the requirements are applicable to chrome

3、or chrome free tanned leather. Perforated leather must also meet requirements for Fully Perforated Leather, achieved by using a sealer known as flesh coating, to bind any loose fibers and to ensure flesh side fibers will not be visible through perforation holes on the A surface. The leather shall no

4、t be subjected to steam or radiant heat or organic solvents during any manufacturing process because the hand and appearance characteristics will be adversely affected. No buffing, stuccoing, filling or other repair is permitted unless otherwise stated on individual Material Specifications. Limitati

5、ons: Not for steering wheel, gearshift or handbrake applications. 3. REQUIREMENTS Note: All leather is expected to meet these requirements except when noted in the individual WSS-M1F range of material specifications. For all test methods, no individual specimen shall fall below the minimum values sp

6、ecified. 3.1 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 CONTROL ITEMS Control Items must be run per Table 1 for the initial approval. Test specimens must be tak

7、en equally from the areas described in Figures 1 and 2 for Control Items. The Construction approval package must contain the Initial Approval Control Items and the rest of the specification and be submitted to Materials Engineering. These results must also be submitted to Materials Engineering and S

8、eat Engineering before Ingress/Egress testing (ST-0035) is approved. Control Items must be tested on every lot (production load) of material; control of these items must be represented in the PFMEA and control plan. These results must be readily available and submitted to Seat Engineering upon reque

9、st. After the review and sign-off of the control documents (PFMEA, CP and Statistical data) for a significant number of lots, the frequency of the testing can be reduced as agreed upon by the Materials Engineering and Seat Engineering representatives. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B

10、Copyright 2013, Ford Global Technologies, LLC Page 2 of 12 The location of the test samples is described in ISO 2418 or ASTM D2813 for physical testing of leather samples. Figure 1 and Figure 2 below show where the samples shall be taken from the given number of hides in the Control Item Sampling Pl

11、an, Table 1. Table 1: Control Item Sampling Plan Test Initial Construction Approval Production Bally Flex or W-Flex as received 5 hides 1 hide Bally Flex or W-Flex heat aged acc.3.5.1.3 5 hides 1 hide Bally Flex or W Flex as received followed by Finish Adhesion 5 hides 1 hide Pilling Wear 5 hides 1

12、hide Simulated Seat Wear 5 hides 1 hide Resistance to Fade 1 hide Stiffness: As specified in the individual Material Specification 5 hides 5 locations 1 hide 5 locations Thickness: As specified in the individual Material Specification 5 hides 5 locations 1 hide 5 locations Figure 1. Backbone testing

13、; Figure 1 represents a hide with the head removed. B is the root of the tail. A is a point on the backbone such that AC = 2AB. AD is a line perpendicular to BC. F is the mid-point of AD and AE is of a length 50mm. The lines GH and JK, whose mid-points are E and F respectively are parallel to BC and

14、 each of equal length to EF. Test samples for Stiffness and Softness properties must be taken from area similar to HKJG, along both sides of the back bone. Test samples for physical properties shall be taken both from the backbone and belly areas. If not enough samples can be taken to complete all o

15、f the testing then additional hides must be used. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 3 of 12 Figure 2. Belly testing; test samples must be taken between the edge of the hide and line US. The size is to be adjusted to fit the appropriate

16、 test specimen. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 4 of 12 3.3 SAMPLE SELECTION Samples for testing shall be selected from the backbone and belly area of the hide. The backbone area is described in Figure 1. Samples from the belly area

17、should be taken 100mm from the edge of the hide. Sample locations must be noted on the test matrix. Untested areas of the hide must be submitted so that the hide can be reconstructed to view where the samples were taken. Sample size requirements are listed in Table 2. Test 5 samples from backbone an

18、d belly except for paragraph 3.5 Colour Properties or where the test method determines the sample size. 3.4 STRENGTH PROPERTIES 3.4.1 Finish Properties 3.4.1.1 Cold Flexibility -30 C min (SAE J323, Method A) The material must remain flexible and, after bending at 180, it must exhibit no cracks. 3.4.

19、1.2 Bally Flex (ASTM D 6182) No cracking of the surface finish with a 6X microscope when the sample is bent over a 12 +/- 2 mm mandrel in the direction of the test area. The following tests must be completed in addition to those required in the Control Items, para. 3.2. Original 100,000 cycles Test

20、to cracking Report number of cycles to nearest 10,000 After Heat Ageing per 3.5.1.3 30,000 cycles After Humidity Ageing per 3.5.1.4 30,000 cycles Or “W“ Flex Requirements, min (FLTM BN 102-02) No cracking of the surface finish with a 6X microscope when the sample is bent over a 12 +/- 2 mm mandrel i

21、n the direction of the test area. - Original 100,000 cycles - After ageing 225.6 kJ/m2 (SAE J2412) 30,000 cycles - After Heat Ageing per 3.5.1.3 30,000 cycles - After Humidity Ageing per 3.5.1.4 30,000 cycles Note: Document Method Used. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013,

22、 Ford Global Technologies, LLC Page 5 of 12 3.4.1.3 Finish Adhesion after Bally Flex/W Flex, 100,000 cycles, min. 3.5 N (ASTM D 6182 followed by ISO 11644, Adhesive: Cyanoacrylate- Sicomet 8400, Supplier: Henkel, or equivalent. Condition bonded test specimens for 1 hour min.) 3.4.2 Physical Properti

23、es 3.4.2.1 Breaking Strength, min. (ASTM D 2208, Grab Method, five samples from two locations) Any direction 400 N 3.4.2.2 Elongation at 100 N 15-40% (ASTM D 2211, Grab Method, five samples from two locations) 3.4.2.3 Tear Strength (Trapezoid), min. 70 N (ASTM D 5733, five samples from two locations

24、) 3.4.2.4 Seam Fatigue Resistance (FLTM BN 106-02, five samples from two locations) Needle hole elongation after test, max 2 mm 3.5 COLOUR PROPERTIES 3.5.1 General Acceptance Criteria: The material shall not exhibit any change in appearance such as color change, tone change, fading or gloss change i

25、n excess of the required AATCC rating. In addition, the material shall not exhibit staining, blistering, loss of coating adhesion, flaking, chipping, checking, chalking, cracking, splits, sinks, bulges, peeling, tackiness or delaminating. 3.5.1.1 Resistance to Fade, min. (FLTM BO 116-01, ISO 105-A02

26、/ AATCC Evaluation Procedure 1) 977.6 kJ/m2 Rating 4 In addition, the material must remain flexible and exhibit no cracking when bent around a 6.4 mm mandrel. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 6 of 12 Or 3.5.1.2 Resistance to Fade (SAE

27、 J2412, ISO 105-A02/ AATCC Evaluation Procedure 1) 488.8 kJ/m2 Rating 4 In addition, the material must remain flexible and exhibit no cracking when bent around a 2.5 mm mandrel. Note: Document Method Used. 3.5.1.3 Resistance to Heat Ageing Rating 4 min (7 days at 100 +/- 2 C, ISO 105-A02/ AATCC Eval

28、uation Procedure 1) 3.5.1.4 Resistance to Humidity (ISO 105-A02/AATCC Evaluation Procedure 1) Chrome Tanned 7 days at 70 +/- 2 C/95 +/-5% RH Rating 4 min Chrome Free Tanned 7 days at 70 +/- 2 C/70 +/-5% RH Rating 4 min There shall be no tone or gloss change or any loss of grain definition. Samples t

29、o be suspended vertically in the test cabinet 3.5.1.5 Mould and Fungus Growth No visible fungal or Mould growth The material shall exhibit no visual evidence of mildew growth and/or objectionable odour after 7 days exposure in a humidity cabinet at 38 +/- 2 C and 98 +/- 2% relative humidity. 3.5.1.6

30、 Soiling and Cleanability Rating 4 min (FLTM BN 112-08, ISO 105-A03/ AATCC Evaluation Procedure 2) Standard Soil Grease Coffee ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 7 of 12 3.5.1.7 Resistance to Dye Transfer (ISO 26082, Exceptions: Use Pil

31、ling Head, Test Fabric: Empa 128 ISO 105-A03/AATCC Evaluation Procedure 2. 1000 cycles) After cleaning (1 hour and 24 hours) Rating 4 min Clean the leather surface manually using white cotton cloths moistened with an Approved Brand Trim Cleaner. Change cloth frequently until no colour transfer is vi

32、sible on the cloth. OR FLTM BN 112-09, ISO 105-A03/AATCC Procedure 2 Before cleaning Rating 3 After cleaning (1 hour and 24 hours) Rating 4-5 Note: Document Methods Used. 3.5.1.8 Crocking Test (FLTM BN 107-01 ISO 105-A03/AATCC Evaluation Procedure 2) Dry Rating 4 min Wet Rating 4 min 3.5.1.9 Resista

33、nce to Cleaning Agents, Rating 4 max. discolouration (FLTM BN 107-01, 10 cycles, ISO 105-A03/AATCC Evaluation Procedure 2) Test Procedure: Substitute the leather for the textile material. Saturate white cotton cloth with the cleaners listed. Cleaners 1) Approved Brand Window Cleaner 2) Approved Bran

34、d All Purpose Cleaner 3) Isopropyl Alcohol/Deionised Water 50% v/v 4) Approved Brand Leather Cleaner 5) Soap/water solution- 2% teepol L, 0.1% EDTA (Ethylene DiAmineTetra acetic acid Di sodium salt) in deionised water 3.5.1.10 Resistance to Migration Staining (FLTM BN 103-01) No evidence of injuriou

35、s exudation, adhesion (tackiness) separation or colour transfer when placed face to face with itself and the standard vinyl. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 8 of 12 3.5.1.11 Resistance to Colour Stain Transfer Rating 4 min (ASTM D601

36、2, ISO 105-A03/AATCC Evaluation Procedure 2 ) 3.6 MATERIAL EMISSIONS IN COMPARTMENT AIR 3.6.1 Fogging Method A: Photometric Procedure (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min If oily droplets, crystals or clear film are present and the fog

37、number is greater than 70, sample must be retested per para 3.6.2. If the fog number is less than 70, the material is rejected. 3.6.2 Method B: Gravimetric Procedure (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning, 4 h) Weight of Condensate 4 mg max Samples shall be pre

38、dried by storing in a dessicator over silica gel or equivalent for a period of 2 days. 3.6.3 Odour Rating 3 max (FLTM BO 131-03) 3.7 WEAR PROPERTIES 3.7.1 Resistance to Scuffing, min. No breakthrough or (SAE J365, Scuff head A, cracking of coating 200 cycles) No permanent parallel deformation to the

39、 surface, no break of the finish. colour change must be reviewed and approved by the responsible Materials Engineer. 3.7.2 Simulated Seat Wear No wear through the (FMVSS 209, S5.1 (d), 10,000 cycles, finish to russet except replace the hexagonal steel rod with a 40 mm dia. round steel rod covered wi

40、th 2 mm thick rubber sheet, 80 +/- 5 Shore A and abrade with No 8 cotton duck) Nominally 10,000 cycles unless otherwise stated in the Material Specification. 3.7.3 Resistance To Pilling Wear 5 minutes and (FLTM BN 108-14, 89 N Load) report time to wear through to the russet ENGINEERING MATERIAL SPEC

41、IFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 9 of 12 3.8 FULLY PERFORATED LEATHER All perforated leather shall meet the full leather specification before perforation. All perforated leather/parts to be skived, perforated and flesh sealed. 3.8.1 Resistance to Fibre Show T

42、hrough None Visible Test Method: The test shall be conducted on a 305 mm x 305 mm area of original fully perforated leather seating surface. With moderate pressure, vacuum the entire surface for 1 minute using the vacuum cleaner specified in SAE J948 with 28 mm nozzle and maximum suction setting. Th

43、e material shall be judged a failure if there is fibre show through to the surface. 3.8.2 Reduction in Breaking Strength after Perforation, max. Nominally10% of (ASTM D 2208) the original value. To be agreed for each perforation design 3.8.3 Reduction in Tear Strength after Perforation, max. Nominal

44、ly 10% of (ASTM D 5733) the original value. To be agreed for each perforation design. 3.8.4 Resistance to Scuffing No topcoat removed (SAE J365, Scuff Head A, from edges of the 200 cycles) perforated area 3.10 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100mm/minute 3.11 LEATHER CONSTRUCTION Lea

45、ther construction and specific properties shall be specified in the individual Material Specification. The colour, pattern, and finish shall match the approved Corporate Design Master Sample. 4 GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting th

46、e requirements of this specification. 4.1 Rub Resistance Rating 4 min (ISO 11640, 10% elongation/ ISO 105-A03/AATCC Evaluation Procedure 2) Dry 2000 cycles Rating 4 min Wet 500 cycles Rating 4 min ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 10 o

47、f 12 Approved Brand Window Cleaner 100 cycles Rating 4 min Soap/water solution- 2% Teepol L, 0.1% EDTA (Ethylene DiAmineTetra acetic acid disodium salt) in deionised water 100 cycles Rating 4 Acetic Acid Solution (5% in deionised water) 100 cycles Rating 4 Isopropyl Alcohol/ deionised water 50 % v/v

48、 100 cycles Rating 4 Any wear shall be noted 4.2 Perspiration Staining (ISO 11640/EN ISO 105-E04/ ISO 105-A03/AATCC Evaluation Procedure 2) Use both acid and alkaline perspiration solutions. 4.2.1 Sample as received 100 cycles Rating 4 4.2.2 Sample after Fade Resistance Acc. Para 3.5.1.1: 451.2 kJ/m

49、2 100 cycles Rating 4 Acc. Para 3.5.1.2: 225.6 kJ/m2 100 cycles Rating 4 4.2.3 Sample after Heat Ageing Acc. Para 3.5.1.3: 100 cycles Rating 4 4.2.4 Sample after Humidity Ageing Acc. Para 3.5.1.4: 100 cycles Rating 4 ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-B Copyright 2013, Ford Global Technologies, LLC Page 11 of 12 TABLE 2 Paragraphs New Colour Approval New Construction Approval 3.2 Control Items 1 hide/colour 5 hides 3.4 Strength Properties 3.4.1 Finish Properties 3.4.1.1 Cold Flexibili