1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2017 05 23 Released S. Gatzek, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 6 LAMINATE, THERMOPLASTIC OLEFIN (TPO) SKIN/ WSS-M98D39-A3 CROSS-LINKED POLYOLEFIN FOAM, HAND WRAPPED INTERIOR AP
2、PPICATIONS 1. SCOPE The material defined by this specification is a flexible trilaminate composite consisting of a TPO foil, cross-linked polyolefin foam and a scrim backing. 2. APPLICATION This specification was released originally for a hand wrapped instrument panel application adhesively bonded t
3、o a rigid substrate. Parts using this specification 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 the appropriate
4、 ARL: 17-0209 for door and console armrests, 17-0220 for door upper roll, and 17-0229 for IP upper unless otherwise mutually agreed between Product Development and Materials Engineering. 2.1 LIMITATIONS This material is not to be used for applications using the IMGL process or scoreless airbag desig
5、ns. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified 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 wit
6、hin Ford at or available externally through a Ford Materials Engineer. 3.2 APPEARANCE The color, pattern, finish, hand, gloss, grain, tactile effect and construction shall match the approved Corporate Design master sample. 3.3 FOAM/SKIN LAMINATE CONSTRUCTION PROPERTIES 3.3.1 Dimensions* (Foam/skin
7、laminate thickness) TPO Skin 0.35 0.50 mm Cross-Linked Polyolefin Foam 0.85 1.35 mm Textile 0.5 0.6 mm Total 1.7 2.45 mm ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A3 Copyright 2017, Ford Global Technologies, LLC Page 2 of 6 * Skin and foam thickness may differ from the listed values based on pro
8、gram targets and part design; skin and foam thickness, tolerances for each layer and total thickness as specified on Engineering Document. Measure the thickness of each layer and the total thickness of the composite at several points along the cut surface of a cross section. 3.3.2 Tensile Strength (
9、ISO 37, Type 1/ASTM D 412, Die C, 500 mm/min, 25 mm gauge length, 5 specimens min, each direction) MD 6.5 MPa min CMD 3.0 MPa min 3.3.2.1 Elongation (Test according to 3.3.2, use of an extensometer, laser or other vision system should be used to ensure accuracy) MD 65% min CMD 250% min 3.3.3 Tear St
10、rength 18 N/mm min (ISO 34, Method B, procedure (a)/ASTM D 1004, any direction) 3.3.4 Hardness, Durometer A Skin 69 +/- 5 (ISO 868 /ASTM D 2240, 15 s dwell; layer the skin samples to a minimum thickness of 6 mm) 3.3.5 Hardness, Durometer A Trilaminate Composite* 32 +/- 5 (ISO 868 /ASTM D 2240, 15 s
11、dwell, test with film/foil side up; layer the composite specimens to a minimum thickness of 6 mm) *Foam density will impact the overall composite hardness and may vary based on program targets and part design; composite hardness may be differ for this requirement and must be specified on Engineering
12、 Document. 3.3.6 Peel Adhesion (ISO 2411/FLTM BN 151-05, 180o peel 300 mm/minute, any direction, test specimen must be 50 mm in width) Original 0.6 N/mm min 3.3.6.1 Top Film to Foam or 100% foam tear3.3.6.2 Foam to Scrim (both interfaces) After 240 hours at 107 +/- 2 C 0.6 N/mm min 3.3.6.3 Top Film
13、to Foam or 100% foam tear 3.3.6.4 Foam to Scrim (both interfaces) 3.3.7 Static Indentation and Recovery Report (FLTM BO 041-01, mm deflection after 96 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: ENGIN
14、EERING MATERIAL SPECIFICATION WSS-M98D39-A3 Copyright 2017, Ford Global Technologies, LLC Page 3 of 6 3.4.1 Resistance to Abrasion (SAE 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
15、 Materials Engineering. 3.4.2 Resistance to Scuffing (SAE J365, 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. 3.4.3 Soiling and Cleanability (FLTM BN 112-08, AATCC Evaluation Procedure 2) St
16、andard Soil Rating 4 min Grease 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. Cleaner
17、s: 1) Deionized water 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 R
18、esistance to Sunscreen Lotion Rating 3 max and Insect Repellent No loss of adhesion (FLTM BI 113-08, Method A, 23 oC and 74 oC) The following tests (para 3.4.6 3.4.9) conducted on the flat stock material may be used as surrogate data for the WSS-M15P45-C/latest component testing: 3.4.6 Paint Adhesio
19、n Top Coat Grade 0 max (FLTM BI 106-01, Method C) The tape shall not lift or delaminate the surface coating. 3.4.7 Resistance to Interior Weathering (FLTM BO 116-01, sample size 60 x 150 mm min, AATCC Evaluation Procedure 1) 3609.6 kJ/m2 Rating 4 min The material must not exhibit staining, color ton
20、e change, change in hue, cracking, crazing, tackiness or other deterioration after exposure in accordance with testing. Any surface blooming/chalking should be easily removed with water. Read and report the gloss change. ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A3 Copyright 2017, Ford Global Te
21、chnologies, LLC Page 4 of 6 In addition, the material must remain flexible and exhibit no cracking when bent around a 6.4 mm mandrel (face side out) after exposure. For new cover skin technology, check samples at 526 kJ/m2 intervals and note any changes in appearance. . 3.4.8 Colorfastness to Burnt
22、Gas, Rating 4 min (AATCC 23 or equivalent method, 168 hours at 60 C, AATCC Evaluation Procedure 1; light colors only) 3.4.9 Dimensional Stability, +/- 4% (SAE J883, 168 h at 107 +/- 2 C, MD and AMD) The material must show no evidence of delamination or blistering. For paragraphs 3.5 and 3.6: All mat
23、erials should be stored in an open environment for 14-28 days after manufacture, and then must be bagged in heat sealed polyethylene (PE) or PE coated aluminum bags for shipping. Parts for testing must be labelled with supplier and date of manufacture. 3.5 FOGGING, PHOTOMETRIC (SAE J1756, 3 h at 100
24、 C heating, 21 C cooling plate, posttest conditioning 16 h) Fog Number 70 min No formation of clear film, droplets or crystals. 3.6 ODOR (FLTM BO 131-03) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max 3.7 FLAMMABILITY (ISO 3795) Burn Rate 100 mm/minute max 4. GENERAL INFO
25、RMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an ex
26、pression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requiremen
27、ts of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) wi
28、th Ford. 4.2 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A3 Copyright 2017, Ford Global Technologies, LLC Page 5 of 6 Prior to making any changes to
29、the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by su
30、bmission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off
31、must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is upda
32、ted yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS ENGINEERING MATERIAL SPECIFICATION WSS-M98D39-A3 Copyright 2017, Ford Global Technologies, LLC Page 6 of 6 Table 1 Paragraphs Number of Specim
33、ens Construction Testing MCDCC 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 X 3.3.5 Hardness, Durometer A Trilaminate Composite 5 measurements X X 3.3.6 Peel Adhesion of
34、 Top Film to Foam: 3.3.6.1 Film to Foam: Room Temperature 3.3.6.2 Film to Foam: After 240 hours at 107 +/- 2 C 3.3.6.3 Foam to Scrim: Room Temperature 3.3.6.4 Foam to Scrim: After 240 hours at 107 +/- 2 C 3 per condition X 3.3.7 Static Indentation and Recovery 1 X 3.4.1 Resistance to Abrasion 3 X X
35、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 3.4.5 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 3609.6 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 107 +/- 2 C, MD & AMD 1 X 3.5 Fogging 3 X 3.6 Odor 1 per condition X 3.7 Flammability 5 X X
