1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2018 06 15 Released D. Murtonen, FNA Controlled document at www.MATS Copyright 2018, Ford Global Technologies, LLC Page 1 of 10 PERFORMANCE, GENUINE SEATING LEATHER, STANDARD TOP COAT WSS-M99P43-E1 PERFORMANCE, GENUINE SEATING LEATHER
2、, ADVANCED DENIM DYE BARRIER TOP COAT WSS-M99P43-E2 1. SCOPE This specification defines the performance requirements for interior seating leather. 2. APPLICATION This specification outlines the performance of chrome or chrome free tanned seating leather. Refer to the Material Specification for chrom
3、e or chrome free tanned directive. This specification is for interior seating materials for the areas of automotive seat cushions, bolsters, inserts and backs. WSS-M99P43-E1 is defined as genuine, seating leather with standard topcoat that meets haptic and performance specification requirements. WSS
4、-M99P43-E2 is defined as genuine, seating leather with the additive to meet denim dye barrier requirements while maintaining haptic and performance specification requirements. This suffix level of specification (E1/E2) will go into effect for any new construction and color approvals for production M
5、Y 2022. All other model years prior to 2022 were approved under the D suffix and will be deemed carry-over for construction and color if there are no changes. New colors for model years prior to MY 2022 on already approved leather/grain combinations must meet the E1/E2 suffix for color properties. 2
6、.1 LIMITATIONS This leather is not intended for the applications of steering wheel, gear or shift boot, or instrument panel. For those applications, refer to: WSS-M1F21-D1/latest Split grain leather, genuine, finished steering wheel, shift knobs. WSS-M1F22-D1/latest Top grain leather, genuine, finis
7、hed steering wheel, shift knobs WSS-M1F32-A1/latest Luxury top grain leather, genuine, finished steering wheel, shift knob, shift boot and driver air bag cover. WSS-M1F25-B/latest Leather, genuine full grain, chrome free, instrument panel, door top roll, center console and other interior trim. WSS-M
8、98P12-C2/latest Performance leather steering wheel, shift knob or boot Leather meeting this performance specification and used in soft interior components may need to meet the applicable performance specification such as: WSS-M15P45-C/latest Assembly performance instrument panel and soft interior co
9、mponents, flexible cover skin material ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, Ford Global Technologies, LLC Page 2 of 10 3. REQUIREMENTS In addition to the requirements listed herein, the leather shall meet all requirements of the applicable material specifica
10、tion. The material specification shall take precedence over the performance specification for any requirement that differs from the performance specification. 3.1 APPROVED SOURCES This specification is performance based and does not have approved sources. 3.2 CONDITIONING AND TEST CONDITIONS All tes
11、t values based on material conditioned for not less than 24 h prior to testing in a controlled environment of 23 +/- 2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. 3.3 No buffing, stuccoing, filling or other repair per
12、mitted unless otherwise stated on individual Material Specifications. 3.4 It is the leather suppliers responsibility to inform the Just in Time (JIT) seat supplier that subjecting leather to steam or radiant heat or organic solvents during any manufacturing process will adversely affect the hand and
13、 appearance characteristics. 3.5 LEATHER TRIM FEASIBILITY Leathers satisfying this specification must pass the Interior Seating Trim Cover Phase II process. Refer to the Regional Core Seat Engineering Team for the Process Guidelines and Requirements. 3.6 SAMPLE SELECTION LOCATIONS The location of th
14、e test samples is described in ISO 2418 or ASTM D2813 for physical testing of leather samples. Samples to be taken for the belly and backbone areas as noted in Table 1. 3.7 APPEARANCE The color, grain, gloss and hand shall match the approved Corporate Design master sample. No modifications are allow
15、ed once the Master Sample is developed and MCDCCs are signed without notifying Color and Materials and Materials Engineering. All regional manufacturing locations for the same grain and haptic must match the approved Corporate Design Master sample. 3.8 FOGGING (GRAVIMETRIC) (SAE J1756, 16 h at 100 C
16、 heating, 21 C Cooling plate, post testing conditioning, 4 h) Weight of Condensate 4.0 mg max After conditioning, the samples shall be pre-dried by storing in a desiccator over silica gel or equivalent for a period of 2 days. For shipping, all materials or parts shall be sampled immediately after ma
17、nufacture, then bagged in a zipper- or slide-sealed polyethylene (PE) bag, PE-coated aluminum bag or wrapped in aluminum ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, Ford Global Technologies, LLC Page 3 of 10 foil prior to bagging. Test specimens shall be cut, then
18、stored in a clean, open environment for 14-28 days. After 14-28 days of air exposure, the specimens shall be tested immediately or re-bagged until testing can be performed. Bagged materials or parts must be labelled on the outside of the bag with the following information, and included in the test r
19、eport: supplier, contact information, product code/trade name or part number, manufacturing location, date of manufacture, shipping date, start and end dates of conditioning period and test date. Sample shall be tested as part of a production assembly composite if it is, 100% bonded. If not 100% bon
20、ded, test each component separately. Parts for testing must be labelled with supplier and date of manufacture. 3.9 ODOR (FLTM BO 131-03-Variant C) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max Sample shall be tested as part of a production assembly composite if it is, 10
21、0% bonded. If not 100% bonded, test each component separately. 3.10 FLAMMABILITY (ISO 3795) Burn Rate 100mm/minute max Sample shall be tested as part of a production assembly composite if it is 100% bonded. If not 100% bonded, test each component separately. 3.11 CONSTRUCTION PROPERTIES 3.11.1 Cold
22、Flexibility No Visible Cracks (SAE J323, Method A, Exceptions are -30 C and specimen size 25.4 mm) The material must remain flexible and not exhibit cracks when viewed under 6x magnification. 3.11.2 Bally Flex Test (FLTM BN 162-01) Test 3 specimens in each direction (backbone and belly) to the numbe
23、r of cycles specified below. Retain all tested specimens and submit for evaluation by Materials Engineering. 3.11.2.1 Original 100,000 cycles Rating 1 max 3.11.2.2 After Long Term Environmental per 3.12.2, 30, 000 cycles Rating 1 max 3.11.3 Breaking Strength 400 N min (ASTM D2208, Grab Method, Any d
24、irection) 3.11.4 Elongation at 50 N 40% max (ASTM D5034, Grab Method, Rate 300 mm/min Distance of grips 75 mm, Average of 5 samples in both Belly and Backbone directions) ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, Ford Global Technologies, LLC Page 4 of 10 Elongat
25、e specimen until a force of 50 N is reached. Elongation is determined by the following equation: 3.11.5 Tear Strength (Trapezoid) 70 N min (ASTM D5587) 3.11.6 Resistance to Scuffing. 200 cycles min. (SAE J365, Scuff head A) The surface shall show no evidence of wear through to the russet or cracking
26、. A slight change in gloss is acceptable and will be evaluated by Ford Materials Engineering. 3.11.7 Resistance to Top Coat Wear 5 minutes min. (FLTM BN 108-14, 89 N Load) No Wear to Russet Test two specimens. One specimen run for 5 minutes. Second specimen run to failure, evaluating every 3 minutes
27、, stopping at 30 minutes if no wear is apparent. Both samples are to be evaluated by Ford Materials Engineering 3.11.8 Adhesion of Surface Coating (ISO 11644, Adhesive Sicomet 8400 or equivalent Supplier: Henkel, or equivalent condition bonded test specimens for 1 hour min.) As received 4N/10mm min
28、After humidity (para 3.12.3) 4N/10mm min 3.11.9 Resistance to Mildew (7 days at 98 +/- 2% relative humidity and 38 +/- 2 C, specimen size 100 mm x 100 mm) Remove the part from the cabinet and evaluate (smell the sample) immediately. The part shall exhibit no visible evidence of mildew growth and / o
29、r objectionable odor after the 7-day exposure. In addition, part must not separate layers or show any other visual deterioration. 3.11.10 Thickness Report (ASTM D1813) Refer to Material Specification for requirement 3.11.11 Stiffness Report (FLTM BN 157-02) Refer to Material Specification for requir
30、ement 3.12 COLOR PROPERTIES 3.12.1 Resistance to Interior Weathering (FLTM BO 116-01, sample size 60 x 150 mm, minimum AATCC Evaluation Procedure 1) Expose two specimens one for visual evaluation and one for 3.12.9.2. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, For
31、d Global Technologies, LLC Page 5 of 10 977.6 kJ/m2 Rating 4 min The material must not exhibit staining, color tone change, change in hue, or other deterioration after exposure. In addition, the material must remain flexible and exhibit no cracking when bent around a 12+/-2 mm mandrel. 3.12.2 Long T
32、erm Environmental Rating 4 min (FLTM BO 040-01 Procedure B, 100 C, AATCC Evaluation Procedure 1, Sample Size 60 x 150mm minimum) Expose four specimens, one for visual evaluation, one for 3.11.1.2, one for 3.12.9.3 and one if potentially needed for Xenon Arc exposure, as described in Note below. Afte
33、r exposure the material must not exhibit staining, color tone change, change in hue, or other deterioration after exposure. 3.12.3 Resistance to Humidity (AATCC Evaluation Procedure 1, Expose three samples, one for Visual Evaluation, one for Top Coat Adhesion para 3.x.2.2 and one if needed for 3.13.
34、4. Expose three specimens, one for visual evaluation, one for 3.11.8, one for 3.12.9.4 and one if potentially needed for Xenon Arc exposure as described in Note below. 3.12.3.1 Chrome Tanned Rating 4 min (7 days at 70 +/- 2 C and 95 +/-5% RH) 3.12.3.2 Chrome Free Tanned Rating 4 min (7 days at 70 +/
35、- 2 C and 70 +/-5% RH) Samples should be suspended vertically in test chamber. After exposure the material must not exhibit staining, color tone change, change in hue, or other deterioration after exposure Note: If the material does not pass the requirements of 3.12.2 or 3.12.3, due to a yellow shif
36、t in color then the material may be subjected to Xenon arc weathering per section 3.12.1 to determine if the observed color change is temporary or permanent. Test one of the three specimens from 3.12.2. and/or 3.12.3. Xenon Arc after Long Term Environmental and Humidity Rating 4 min (FLTM BO 116-01,
37、 75.2 kJ/m2, Sample size 60 x 150 mmm minimum) Submit both specimens for evaluation to Materials Engineering, the before specimen and the Xenon Arc tested specimen. 3.12.4 Soiling and Cleanability Rating 4 min (FLTM BN 112-08, AATCC Evaluation Procedure 2) Standard Soil, Grease, and Coffee ENGINEERI
38、NG MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, Ford Global Technologies, LLC Page 6 of 10 3.12.5 Resistance to Denim Dye Transfer (FLTM BN 110-02, 5000 cycles, AATCC Evaluation Procedure 2) TEST REQUIREMENTS TO MEET SUFFIX E1 Denim Stain before cleaning Report Only Denim Stain
39、 after cleaning Rating 4-5min Submit both samples and a sample of Denim Test Cloth to Materials Engineering for Evaluation. Report Test Cloth Stiffness and L Value. If the tested specimen does not meet the rating of 4-5, after cleaning, then the Advanced Denim Dye Barrier Top Coat (ADDB) must be app
40、lied on that color and re-tested to meet the Suffix E2. The MCDCC will then call-out the aligned Material Specification which references the ADDB Top coat. Such as: Cashmere (5VO) on MCDCC would state WSS-M1F27-B2/latest. TEST REQUIREMENTS TO MEET SUFFIX E2 Denim Stain before cleaning Rating 4-5min
41、Denim Stain after cleaning Rating 4-5min Submit both samples and a sample of Denim Test Cloth to Materials Engineering for Evaluation. Report Test Cloth Stiffness and L Value. 3.12.6 Resistance to Crocking (FLTM BN 107-01, AATCC Evaluation Procedure 2) Dry Rating 4 min Wet Rating 4 min 3.12.7 Resist
42、ance to Migration Staining (FLTM BN 103-01) No evidence of injurious exudation, adhesion (tackiness) separation or color transfer when placed face to face with itself and the standard vinyl. 3.12.8 Leather Test for Color Fastness-Rub Resistance (ISO 11640, 10% elongation/mount felt pad 2-3 mm in the
43、 holder/ AATCC Evaluation Procedure 2) 3.12.8.1 Dry Felt 2000 cycles Rating 4 min 3.12.8.2 Wet Felt 500 cycles Rating 4 min 3.12.8.3 Commercially Available Window Cleaner 100 cycles Rating 4 min 3.12.8.4 Leather Cleaner 100 cycles Rating 4 min (FLTM BN 112-08) 3.12.8.5 Acetic Acid Solution (5% in de
44、ionised water) 100 cycles Rating 4 min ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-E1 WSS-M99P43-E2 Copyright 2018, Ford Global Technologies, LLC Page 7 of 10 3.12.8.6 Ethyl Alcohol/ deionised water 70 % v/v 100 cycles Rating 4 min 3.12.8.7 Suntan Lotion 100 cycles Report (Apply 0.16 +/- 0.01 gram
45、s of Sunscreen or sunblock lotion with SPF factor of 30, water-proof and commercially available) 3.12.8.8 Insect Repellent 100 cycles Report (20-30% DEET commercially available) 3.12.9 Perspiration Staining (ISO 11640/EN , ATCC Evaluation Procedure 2) Use both acid and alkaline perspiration solution
46、s. 3.12.9.1 Sample as received 100 cycles Rating 4 min 3.12.9.2 Sample after Resistance to Interior Weathering Per para 3.12.1 977.6 kJ/m2 100 cycles Rating 4 min 3 .12.9.3 Sample after Long Term Environmental Per para 3.12.2 100 cycles Rating 4 min 3.12.9.4 Sample after Humidity Aging Per para 3.12
47、.3 100 cycles Rating 4 min 3.13 FULLY PERFORATED LEATHER The base leather for a perforated design must meet this performance specification prior to perforation. Perforated leather must include a sealer known as flesh coating, to bind any loose fibers and to ensure flesh side fibers will not be visib
48、le through perforation holes on the A surface. All custom/unique perforated patterns used with a CCS (Climate Control System) must be verified through Seat Engineering for Air Flow. 3.13.1 Resistance to Fiber Show Through None Visible Test Method: The test shall be conducted on a 305 mm x 305 mm are
49、a of original fully perforated leather seating surface. With moderate pressure, vacuum the entire surface for 1 minute using a Vacuum cleaner, canister type, with a soft brush attachment. The vacuum used with the Taber test machine is acceptable when set to the highest power setting. The material shall be judged a failure if there is fiber show through to the surface. 3.13.2 Resistance to Scuffing No Top Coat Peeling (SAE J365 Scuff Head A, 200 cycles) from edges of the Perforated Area Note: T
