1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 6 2015 12 15 Editorial See Summary of Revisions M. Montgomery, EU 2015 10 16 Editorial See Summary of Revisions L. Schmalz, NA 2015 02 27 Released L. Schmalz, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, L
2、LC Page 1 of 8 PERFORMANCE, GENUINE LEATHER WSS-M99P43-D 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 applic
3、able to chrome or chrome free tanned 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 PRODU
4、CTION MATERIALS Material suppliers 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 Qual
5、ity Material/Component Requirements. Data must be included in the material submission package. No buffing, stuccoing, filling or other repair is permitted unless otherwise stated on individual Material Specifications. It is the Leather suppliers responsibility to inform the JIT supplier that subject
6、ing leather to steam or radiant heat or organic solvents during any manufacturing process will adversely affect the hand and appearance characteristics. Perforated leather must also meet requirements for Fully Perforated Leather, achieved by using a sealer known as flesh coating, to bind any loose f
7、ibers and to ensure flesh side fibers will not be visible through perforation holes 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
8、 the minimum values specified. 3.2 SAMPLE SELECTION LOCATIONS The location of the 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. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Cop
9、yright 2015, Ford Global Technologies, LLC Page 2 of 8 3.3 APPEARANCE The color, grain, gloss and hand shall match the approved Corporate Design master sample. 3.4 FOGGING (SAE J1756, Method B: Gravimetric Procedure 16 h at 100 C heating, 21 C cooling plate, post test conditioning, 4 h) Weight of Co
10、ndensate 4.0 mg max Samples shall be predried by storing in a desiccator over silica gel or equivalent for a period of 2 days. 3.5 ODOR Rating 3 max (FLTM BO 131-03) 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate 100mm/minute max 3.7 CONSTRUCTION PROPERTIES 3.7.1 Cold Flexibility -30 C or below (SAE
11、 J323, Method A) The material must remain flexible and after bending at 180 it must not exhibit cracks. 3.7.2 Bally Flex Test (FLTM BN 162-01) 3.7.2.1 Original 100,000 cycles 3.7.2.2 After Heat Aging per 3.8.2 30,000 cycles 3.7.2.3 After Humidity Aging per 3.8.3 30,000 cycles No cracking of the surf
12、ace finish with a 6X microscope when the sample is bent over a 12 +/- 2 mm mandrel in the direction of the test area. 3.7.3 Finish Adhesion after Bally Flex/W Flex 3.5 N min (100,000 cycles of FLTM BN 162-01 / FLTM BN 102-02 followed by ISO 11644, Adhesive: Cyanoacrylate- Sicomet 8400, Supplier: Hen
13、kel, or equivalent. Condition bonded test specimens for 1 hour min.) 3.7.4 Breaking Strength 400 N min (ASTM D2208, Grab Method, Any direction) 3.7.5 Elongation at 100 N 40% max (ASTM D2211, Grab Method, use 152 x 76 mm sample per breaking strength and distance between grips 76 +/- 3.2 mm ) 3.7.6 Te
14、ar Strength (Trapezoid) 70 N min (ASTM D5587) ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford Global Technologies, LLC Page 3 of 8 3.7.7 Seam Fatigue Resistance (FLTM BN 106-02) Needle hole elongation after test 2 mm max 3.7.8 Resistance to Scuffing. 200 cycles min. (SAE J365, S
15、cuff head A) No breakthrough or cracking of coating. No permanent parallel deformation to the surface, no break of the finish. Color change must be reviewed and approved by the responsible Materials Engineer. 3.7.9 Simulated Seat Wear No wear through the (FMVSS 209, S5.1 (d), 10,000 cycles, finish t
16、o russet except replace the hexagonal steel rod with a 40 mm dia. round steel rod covered with 2 mm thick rubber sheet, and abrade with No 8 cotton duck, 60 cycles/min, 250 mm stroke length). 3.7.10 Resistance to Top Coat Wear 5 minutes min (FLTM BN 108-14, 89 N Load) Also, report time to wear throu
17、gh to the russet (check every 3 minutes, max time-30 minutes) 3.7.11 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 After humidity (para 3.9.3) 4N/10mm min 3.7.12 Re
18、sistance to Mildew (7 days at 98 +/- 2 % relative humidity and 38 +/-2C, Specimen size is 200 x 200 mm unless part size is smaller.) Remove the part from the cabinet and evaluate (smell the sample) immediately. The part shall exhibit no visible evidence of mildew growth and/or objectionable odor aft
19、er the 7 day exposure. 3.7.13 Thickness Range (ASTM D 1813) Report only (reference the Material Specification) 3.7.14 Stiffness Report only (reference (FLTM BN 157-02) the Material Specification) 3.8 COLOR PROPERTIES The material shall not exhibit any change in appearance such as color change, tone
20、change, fading or gloss change in excess of the required AATCC rating. In addition, the material shall not exhibit staining, blistering, loss of coating adhesion, peeling, chalking, cracking, splits, or tackiness. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford Global Technologi
21、es, LLC Page 4 of 8 3.8.1 Resistance to Fade (FLTM BO 116-01, ISO 105-A02/ AATCC Evaluation Procedure 1) 977.6 kJ/m2 Rating 4 min In addition, the material must remain flexible and exhibit no cracking when bent around a 12 +/-2 mm mandrel. 3.8.2 Resistance to Heat Aging Rating 4 min (7 days at 100 +
22、/- 2 C, ISO 105-A02/AATCC Evaluation Procedure 1) (Expose three samples, one for Visual Evaluation, one for Bally Flex and one for Xenon if needed) After exposure, the material shall no evidence of excessive loss of grain or exhibit staining, color tone change, or change in hue in excess of required
23、 AATCC rating (See Note). Any “spotty” or non-uniform staining or discoloration shall be cause for rejection. Note: If rating is less than 4, then the material must be subjected to Xenon Arc weathering to determine if the observed color change is temporary or permanent. Use one sample exposed in 3.8
24、.2 Evaluation must meet the requirement for 3.9.2.1. Submit both the Heat Age and Xenon after heat aging sample. 3.8.2.1 Visual Evaluation after Heat Aging and Xenon Arc Rating 4-5 min (FLTM BO 116-01, 75.2 kJ/m2 ISO 105-A02/AATCC Evaluation Procedure 1) After exposure, the material shall show no ev
25、idence of excessive loss of grain or exhibit staining, color tone change, or change in hue in excess of required AATCC rating. Any “spotty” or non-uniform staining or discoloration shall be cause for rejection. 3.8.3 Resistance to Humidity (ISO 105-A02/AATCC Evaluation Procedure 1) Expose two sample
26、s, one for Visual Evaluation and one for Bally Flex. 3.8.3.1 Chrome Tanned (7 days at 70 +/- 2 C and 95 +/-5% RH) Rating 4 min 3.8.3.2 Chrome Free Tanned (7 days at 70 +/- 2 C and 70 +/-5% RH) Rating 4 min There shall be no tone or gloss change or any loss of grain definition. Samples to be suspende
27、d vertically in the test cabinet 3.8.4 Soiling and Cleanability Rating 4 min (FLTM BN 112-08, ISO 105-A03/ AATCC Evaluation Procedure 2) Standard Soil, Grease, and Coffee ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford Global Technologies, LLC Page 5 of 8 3.8.5 Resistance to Dye
28、 Transfer (ISO 26082, Exceptions: Use Pilling Head, wear pattern Lissajous, Test Fabric Denim 2550Y wet*, ISO 105-A03/AATCC Evaluation Procedure 2. 12 kPa load, 1000 cycles, use separate specimens for the stain and cleaning test) Stain before cleaning Rating 4 min After cleaning and 24 hours drying
29、at room temperature Rating 4-5 min *Soak denim with DI water until thoroughly saturated then gently wring out to prevent dripping. 3.8.6 Crocking Test (FLTM BN 107-01, ISO 105-A03/AATCC Evaluation Procedure 2) Dry Rating 4 min Wet Rating 4 min 3.8.7 Resistance to Migration Staining (FLTM BN 103-01)
30、No evidence of injurious exudation, adhesion (tackiness) separation or color transfer when placed face to face with itself and the standard vinyl. 3.8.8 Resistance to Color Stain Transfer Rating 4 min (ASTM D6012, ISO 105-A03/AATCC Evaluation Procedure 2 ) 3.8.9 Leather Test for Color Fastness-Rub R
31、esistance (ISO 11640, 10% elongation/mount felt pad 2-3 mm in the holder/ ISO 105-A03/AATCC Evaluation Procedure 2) 3.8.9.1 Dry Felt 2000 cycles Rating 4 min 3.8.9.2 Wet Felt 500 cycles Rating 4 min 3.8.9.3 Commercially Available Window Cleaner 100 cycles Rating 4 min 3.8.9.4 Leather Cleaner 100 cyc
32、les Rating 4 min (FLTM BN 112-08) 3.8.9.5 Acetic Acid Solution (5% in deionised water) 100 cycles Rating 4 min 3.8.9.6 Ethyl Alcohol/ deionised water 70 % v/v 100 cycles Rating 4 min 3.8.9.7 Suntan Lotion 100 cycles Report (Apply 0.16 +/- 0.01 grams of Sunscreen or sunblock lotion with SPF factor of
33、 30, water-proof and commercially available) ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford Global Technologies, LLC Page 6 of 8 3.8.9.8 Insect Repellent 100 cycles Report (20-30% DEET commercially available) 3.8.10 Perspiration Staining (ISO 11640/EN ISO 105-E04/ ISO 105-A03/A
34、ATCC Evaluation Procedure 2) Use both acid and alkaline perspiration solutions. 3.8.10.1 Sample as received 100 cycles Rating 4 min 3.8.10.2 Sample after Fade Resistance Per para 3.8.1 977.6 kJ/m2 100 cycles Rating 4 min 3.8.10.3 Sample after Heat Aging Per para 3.8.2 100 cycles Rating 4 min 3.8.10.
35、4 Sample after Humidity Aging Per para 3.8.3 100 cycles Rating 4 min 3.9 FULLY PERFORATED LEATHER All perforated leather shall meet the full leather specification before perforation. All perforated leather/parts to be skived, flesh sealed and perforated. 3.9.1 Resistance to Fiber Show Through None V
36、isible 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. The material sh
37、all be judged a failure if there is fiber show through to the surface. 3.9.2 Reduction in Breaking Strength after Perforation Nominally10% of (ASTM D2208) the original value. or above 400 N To be agreed for each perforation design 3.9.3 Reduction in Tear Strength after Perforation Nominally 10% of (
38、ASTM D5587) the original value, or above 70 N To be agreed for each perforation design. 3.9.4 Resistance to Scuffing No topcoat removed (SAE J365, Scuff Head A, from edges of the 200 cycles) perforated area 4. GENERAL INFORMATION The information given below is provided for clarification and assistan
39、ce in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford Global Technologies, LLC Page 7 of 8 TABLE 1 (X-Sample Size 1 Hide) Paragraphs Backbone/ Belly Location Co
40、ntrol Plan Testing (Each Production Lot) New Color/Carryover Grain New Color/New Grain New Construction Approval WSS-M99P2222-D1 Vehicle Interior Environment Quality Material/Component Requirements either X 3.4 Fogging either X 3.5 Odor either X X X 3.6 Flammability either X X X X 3.7 Construction P
41、roperties 3.7.1 Cold Flexibility both X 3 hides 3.78.2 Bally Flex-Original both X X 3 hides Bally Flex after Heat Aging both X 3 hides Bally Flex after Humidity Aging both X 3 hides 3.7.3 Finish Adhesion after Bally Flex under review both X 3.7.4 Breaking Strength both 3 hides 3.7.5 Elongation both
42、3 hides 3.7.6 Tear Strength both 3 hides 3.7.7 Seam Fatique Resistance both X 3 hides 3.7.8 Resistance to Scuffing both X X 3 hides 3.7.9 Simulated Seat Wear both X X 3 hides 3.7.10 Resistance to Top Coat Wear both X X 3 hides 3.7.11 Adhesion of Surface Coating both X X 3 hides 3.7.12 Mildew Resista
43、nce either X 3.7.13 Thickness both X X 3 hides 3.7.14 Stiffness both X X 3 hides 3.8 Color Properties 3.8.1 Resistance to Fade either X X X 3.8.2 Resistance to Heat Aging either X X X 3.8.3 Resistance to Humidity either X X X 3.8.4 Soiling and Cleanability either X X X 3.8.5 Resistance to Dye Transf
44、er either X X X 3.8.6 Crocking Test either X X X 3.8.7 Resistance to Migration Staining either X X X 3.8.8 Resistance to Color Stain Transfer either X X X 3.8.9 Rub Resistance either X X X 3.8.10 Perspiration Staining either X X X ENGINEERING MATERIAL SPECIFICATION WSS-M99P43-D Copyright 2015, Ford
45、Global Technologies, LLC Page 8 of 8 Paragraphs Backbone/ Belly Location Control Plan Testing (Each Production Lot) New Color/Carryover Grain New Color/New Grain New Construction Approval 3.9 Full Perforated Leather 3.9.1 Resistance to Fiber Show Through either X 3.9.2 Reduction in Breaking Strength
46、 after Perforation either X 3.9.3 Reduction in Tear Strength after Perforation either X 3.9.4 Resistance to Scuffing either X Standard Test Cloths: Denim 2550Y No. 8 Cotton Duckcloth Crocking Cloth Felt Pads acc. ISO 11640 Testfabrics, Inc. http:/ Or Westlairds Limited The Green Datchet, Slough SL3
47、9JH, United Kingdom Tel: +44 1753 545726 Fax: +44 1753 549933 Email:westlairdswestlairds.co.uk 5. SUMMARY OF REVISIONS 2015 12 15 Added statement in 3.1 regarding steaming and heat during manufacturing. 2015 10 15 Removed statement in 3.1 regarding steaming and heat during manufacturing. 2015 07 07 Removed reference to bally flex from section 3.8.1 2015 06 12 Added adhesion of Surface Coating to table 1 Removed soap/water under leather color fastness. 2015 05 06 Editorial Corrected soap water solution from 505 to 50/50 2015 03 04 Editorial - Removed word abend from section 3.8.9.9
