FORD WSS-M99P43-C-2015 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 2015 02 27 N Status Replaced by WSS-M99P43-D L. Schmalz, NA 2013 10 09 Released L. Schmalz, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 12 PERFORMANCE, GENUINE LEATHER WSS-M99P43-C NOT TO
2、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 or chrome free tann
3、ed leather. 2.1 LIMITATIONS Do not use this specification for steering wheel, gearshift or handbrake leather. (See WSS-M1F21-C/latest or WSS-M1F22-C/latest) and instrument panel (WSS-M15P45-B/latest) applications. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers
4、and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). Materials used in interior applications must meet the requirements outlined in WSS-M99P2222-D1 or latest, Performance, Vehicle Interior Environment Quality Material/Component Requirements
5、. Data must be included in the material submission package. The leather shall not 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 p
6、ermitted unless otherwise stated on individual Material Specifications. 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 hol
7、es on the A surface. Note: All leather is expected to meet these requirements except when noted in the individual WSS-M1FXXX range of material specifications For all test methods, no individual specimen shall fall below the minimum values specified. 3.2 CONTROL ITEMS Control Items must be run per Ta
8、ble 1 for the initial approval. Test specimens must be taken 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 res
9、ults must also be submitted to Materials Engineering and Seat 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 read
10、ily available and submitted to Seat Engineering upon request. After the review and sign-off of the control documents (PFMEA, CP and ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-C Copyright 2015, Ford Global Technologies, LLC Page 2 of 12 Statistical data) for a significant number of lots, the frequ
11、ency of the testing can be reduced as agreed upon by the Materials Engineering and Seat Engineering representatives. 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
12、 the given number of hides in the Control Item Sampling Plan, 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
13、 by Finish Adhesion 5 hides 1 hide Pilling Wear 5 hides 1 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
14、 5 locations 1 hide 5 locations ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-C Copyright 2015, Ford Global Technologies, LLC Page 3 of 12 Backbone testing: 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 perp
15、endicular to BC. F is the mid-point of AD and AE is of a length 50 mm. The lines GH and JK, whose mid-points are E and F respectively, are parallel to BC and 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 th
16、e 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 of the testing then additional hides must be used. Figure 1. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-C Copyright 2015, Ford Global Technol
17、ogies, LLC Page 4 of 12 Belly testing: Figure 2 test samples must be taken between the edge of the hide and line US. The size is to be adjusted to fit the appropriate test specimen. Figure 2. 3.3 APPEARANCE (FLTM BI 109-01) The color, pattern, and finish shall match the approved Corporate Design mas
18、ter sample, or shall be as specified on the Engineering Drawing. 3.3.1 Instrumental Color Readings (SAE J1767) Instrumental color readings may be required at the discretion of Materials Engineering. Visual evaluation will take precedence over instrumental readings in cases of dispute. Acceptable ins
19、trumental tolerance from Corporate Design master sample shall be established between leather supplier and tier one supplier and documented in the control plan. 3.4 SAMPLE SELECTION Samples for testing shall be selected from the backbone and belly area of the hide. The backbone area is described in F
20、igure 1. Samples from the belly area should be taken 100 mm 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 Ta
21、ble 2. Test 5 samples from backbone and belly except for paragraph 3.9 Color Properties or where the test method determines the sample size. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-C Copyright 2015, Ford Global Technologies, LLC Page 5 of 12 3.5 FOGGING Method A: Photometric Procedure (SAE J17
22、56, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) 3.5.1 Fog Number 70 min If oily droplets, crystals or clear film are present and the fog number is greater than 70, sample must be retested per para 3.5.2. If the fog number is less than 70, the material is rejected. 3.5.2 Me
23、thod B: Gravimetric Procedure (SAE J1756, 16 h at 100 C heating, 21 C cooling plate, post test conditioning, 4 h) Weight of Condensate 4.0 mg max Samples shall be predried by storing in a desiccator over silica gel or equivalent for a period of 2 days. 3.6 ODOR Rating 3 max (FLTM BO 131-03) 3.7 FLAM
24、MABILITY (ISO 3795/SAE J369) Burn Rate 100mm/minute max 3.8 CONSTRUCTION PROPERTIES 3.8.1 Cold Flexibility -30 C or below (SAE J323, Method A) The material must remain flexible and after bending at 180 it must not exhibit cracks. 3.8.2 Resistance to Flexing (Bally Flex or “W” Flex) Evaluation Requir
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