1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 4 2017 05 23 Revised See Summary of Revision S. Gatzek, NA 2012 08 30 Revised See Summary of Revisions Y. Bankowski, NA 2010 10 19 Activated Y. Bankowski, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC P
2、age 1 of 6 LAMINATE, THERMOPLASTIC OLEFIN (TPO) SKIN/ WSS-M98D39-A CROSS-LINKED POLYOLEFIN FOAM, DOOR PANEL AND INTERIOR TRIM APPLICATIONS 1. SCOPE The material defined by this specification is a formed assembly consisting of cross-linked polyolefin foam bonded to a TPO cover material. This laminate
3、 is either negatively vacuum formed for typical in-mold-grain process or positively vacuum formed and then adhesively bonded to a rigid substrate. 2. APPLICATION This specification was released originally for material used in door trim applications utilizing the IMGL process. Parts using this specif
4、ication shall meet the appropriate performance specification WSS-M15P45-C/Latest Instrument Panel and Soft Interior Components, Flexible Cover Skin Material Performance specification and the Craftsmanship compression/deflection criteria per ARL: 17-0209 for door and console armrests, 17-0220 for doo
5、r upper roll unless otherwise mutually agreed between Product Development and Materials Engineering. 2.1 LIMITATIONS This material is not to be used for instrument panel applications. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources ident
6、ified on the Ford Approved Source List (ASL) can be used when this specification is listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. 3.2 APPEARANCE The color, pattern, finish, hand,
7、 gloss, grain, tactile effect and construction shall match the approved Corporate Design master sample. 3.3 FOAM/SKIN LAMINATE 3.3.1 Dimensions* (Foam/skin laminate thickness) TPO Skin 0.48 - 0.68 mm Cross-Linked Polyolefin Foam 2.00 - 3.20 mm Total 2.48 - 3.88 mm Measure the thickness of each layer
8、 and the total thickness of the composite at several points along the cut surface of a cross section. ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A Copyright 2017, Ford Global Technologies, LLC Page 2 of 6 * Skin and foam thickness may differ from the listed values based on program targets and par
9、t design; skin and foam thickness, tolerances for each layer and total thickness as specified on Engineering Document. 3.3.2 Tensile Strength, 1.3 MPa min (ISO 37, Type 1/ASTM D 412, Die C, 500 mm/min, 25 mm gauge length, 5 specimens min, any direction) 3.3.2.1 Elongation, 300% min (Test according t
10、o 3.3.2, use of an extensometer, laser or other vision system should be used to ensure accuracy) 3.3.3 Tear Strength, 12 N/mm min (ISO 34, Method B, procedure (a)/ASTM D 1004, any direction) 3.3.4 Hardness, Durometer A - Skin Report (ISO 868 /ASTM D 2240, 15 s dwell, layer the skin specimens To a mi
11、nimum thickness of 6 mm) 3.3.5 Hardness, Durometer A Bi-laminate Composite* 40 +/- 5 (ISO 868 /ASTM D 2240, 15 s dwell, test with film/foil side up; layer the composite samples to a minimum thickness of 6 mm) * Foam density will impact the overall composite hardness and may vary based on program tar
12、gets and part design; composite hardness as specified on Engineering Document 3.3.6 Peel Adhesion (Top Skin to Foam) (ISO 2411/FLTM BN 151-05, 180o peel, 300 mm/minute, any direction, test specimen must be 50 mm in width) 3.3.6.1 Original 0.6 N/mm min or 100% foam tear 3.3.6.2 After 168 hours at 90
13、+/- 2 C 0.6 N/mm min or 100% foam tear 3.3.7 Static Indentation and Recovery Report (FLTM BO 041-01, mm deflection after 24 hours recovery) 3.4 COLOR AND APPEARANCE PROPERTIES The following tests (para 3.4.1 3.4.5) need to be tested on a textured or grained top film: 3.4.1 Resistance to Abrasion (SA
14、E J948, CS-10 wheels, 500 g load, 250 cycles) The surface shall show no evidence of wear through. A slight change in gloss is acceptable and will be evaluated by Ford Materials Engineering. 3.4.2 Resistance to Scuffing (SAE J365, 250 cycles) The surface shall show no evidence of wear through. A slig
15、ht change in gloss is acceptable and will be evaluated by Ford Materials Engineering. ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A Copyright 2017, Ford Global Technologies, LLC Page 3 of 6 3.4.3 Soiling and Cleanability, (FLTM BN 112-08, AATCC Evaluation Procedure 2) Standard Soil Rating 4 min Gr
16、ease Rating 4 min Coffee Rating 4 min 3.4.4 Resistance to Cleaning Agents, (FLTM BN 107-01, 10 cycles, AATCC Evaluation Procedure 2) Test Procedure: Saturate the white cotton cloth with the cleaners listed and begin testing within 10 seconds of saturating the cloth. Cleaners Agents: 1) Deionized wat
17、er Rating 4 min 2) Window cleaner Rating 4 min 3) All-purpose cleaner Rating 4 min 4) Dry (no cleaners or water) Rating 4 min 5) Isopropyl Alcohol/DI Water 50/50% by volume Rating 4 min 6) Isopropyl Alcohol/DI Water 80/20% by volume Rating 4 min 7) 100% Ethanol Report only 3.4.5 Resistance to Sunscr
18、een Lotion Rating 3 max and Insect Repellent, No loss of adhesion (FLTM BI 113-08, Method A, 23 oC light colors only) 3.4.9 Dimensional Stability +/- 4% (SAE J883, 168 h at 90 +/- 2 C, MD changed 80/20 IPA from report to requirement Changed which tests are allowed to be used as surrogate for part te
19、sting 3.4.7 Changed Resistance to Interior Weathering Requirement for doors from 977.6 kj/m2 to 2406.4 kj/m2 Adjusted numbering as needed Added Table 1 for construction vs. color / MCDCC testing 08/30/2012 Update to requirements for Dimensions, Tensile Strength, Elongation and Adhesion of Top film t
20、o Foam 2/13/2012 Released WSS-M98D39-A2. Added WSS-M99P2222-C1/Latest and Gravimetric fogging to A1. 04/20/2011 Update to scope ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A Copyright 2017, Ford Global Technologies, LLC Page 6 of 6 Table 1 Paragraphs Number of Specimens Construction Testing MCDCC
21、Testing (New Color/ New Grain) 3.3.1 Dimensions 3 X 3.3.2 Tensile Strength 3.3.2.1 Elongation 3 3 X 3.3.3 Tear Strength 3 X 3.3.4 Hardness, Durometer A - Skin 5 measurements X 3.3.5 Hardness, Durometer A Bilaminate Composite 5 measurements X 3.3.6 Peel Adhesion of Top Film to Foam: 3.3.6.1 Room Temp
22、erature 3.3.6.2 After 168 hours at 90 +/- 2 C 3 per condition X 3.3.7 Static Indentation and Recovery 1 X 3.4.1 Resistance to Abrasion 3 X X 3.4.2 Resistance to Scuffing 3 X New grain only 3.4.3 Soiling and Cleanability 1 per soiling agent X X 3.4.4 Resistance to Cleaning Agents 1 per solution X X 3
23、.4.5 Resistance to Sunscreen Lotion and Insect Repellent 1 per condition X X 3.4.6 Paint Adhesion Top Coat 3 X X 3.4.7 Resistance to Interior Weathering 2406.4 kJ/m2 1 X New color/grain combination only 3.4.8 Colorfastness to Burnt Gas 3 X Light colors or as directed by Materials Engineering 3.4.9 Dimensional Stability 168 h at 90 +/- 2 C, MD & AMD 1 X 3.5 Fogging 3 X X 3.6 Odor 1 per condition X 3.7 Flammability 5 X X
