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    FORD WSS-M2D518-A1-2017 FLEXIBLE COVERSTOCK SLUSH MOLDABLE THERMOPLASTIC POLYURETHANE (TPU) SEAMLESS PAB INSTRUMENT PANEL TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSS-M2D518-A1-2017 FLEXIBLE COVERSTOCK SLUSH MOLDABLE THERMOPLASTIC POLYURETHANE (TPU) SEAMLESS PAB INSTRUMENT PANEL TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 05 23 2017 Released S.Gatzek. NA Controlled document at www.MATS.com Copyright 2017, Ford Global Technologies, LLC Page 1 of 5 FLEXIBLE COVERSTOCK, SLUSH MOLDABLE THERMOPLASTIC WSS-M2D518-A1 POLYURETHANE (TPU), SEAMLESS PAB INSTRUMENT

    2、PANEL 1. SCOPE The material defined by this specification is a slush molded TPU skin that is UV stabilized, heat stabilized, and has excellent low temperature ductility used for seamless passenger airbag instrument panels. 2. APPLICATION This specification was released originally for the 2018 MY Foc

    3、us program, as a flexible molded skin for the seamless passenger airbag instrument panel over foam and plastic substrates. 2.1 LIMITATIONS This material is only to be used for instrument panel applications where laser scoring of the skin is required for airbag deployment. 3. REQUIREMENTS 3.1 APPROVE

    4、D 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 within Ford at or available exter

    5、nally through a Ford Materials Engineer. 3.2 CONDITIONING AND TEST CONDITIONS All test values are 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

    6、environment or soon after removal. 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms from initial material approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. The material supplier shall ensure that all fut

    7、ure material supplied to the specification shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.4 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS 3.4.1 This specification is based on virgin material and does not allow the addition

    8、 of recycled content (PIR/PCR). 3.4.2 Performance Criteria: Parts using this material must also meet the requirements in WSS-M15P45-C/Latest and must fulfill applicable SDS/CDS requirements. 3.4.3 Ford Materials Engineering may request a Control Plan and Certificate of Analysis (C and A) containing

    9、lot testing requirements which must include, but are not limited to: ENGINEERING MATERIAL SPECIFICATION WSS-M2D518-A1 Copyright 2017, Ford Global Technologies, LLC Page 2 of 5 Density Hardness 3.5 SAMPLE PREPARATION All tests shall be carried out on production materials manufactured from the product

    10、ion process unless correlation to a non-production process has been reviewed and approved by Ford Materials Engineering. Unless otherwise specified, all tests shall be carried out on specimens die cut from uniformed sheets. No additional annealing is allowed. For appearance testing, grain to be spec

    11、ified by Materials Engineering. 3.6 APPEARANCE 3.6.1 Color and Gloss The color, pattern and gloss shall match the approved Corporate Design master sample. 3.6.2 Resistance to Interior Weathering Rating 4 min (FLTM BO 116-01, 3609.6kJ/m2 exposure, AATCC Evaluation Procedure 1) After exposure the mate

    12、rial shall show no fading or color change in excess of the specified AATCC rating. In addition, there shall be no cracking, crazing or other deterioration. 3.6.2.1 Tackiness of Interior Materials after Weathering* (FLTM BO 061-01) *When setting machine for automatic shutoff, every 526.4 kJ/m2 is rec

    13、ommended. 3.6.3 Colorfastness to Burnt Gas Fumes Rating 4 min (AATCC 23 or equivalent method, 168 hours at 60 C, AATCC Evaluation Procedure 1) Whitening, blooming, spewing, chalking, exudation, etc. on the surface of the samples shall be cause for rejection. 3.6.4 Resistance to Abrasion (SAE J948, C

    14、S-10 wheels, 500g, 250 cycles) The surface shall show no evidence of wear through. A change in gloss will be evaluated by Materials Engineering for acceptability. 3.6.5 Resistance to Scuffing (SAE J365, Scuff Head A, 250 cycles) The surface shall show no evidence of wear through. A change in gloss w

    15、ill be evaluated by Materials Engineering for acceptability. 3.6.6 Resistance to Migration Staining and Blocking Rating 5 min (FLTM BN 103-01, AATCC Evaluation Procedure 1) No evidence of exudation, adhesion (tackiness), separation, color transfer, staining, or flattening of the embossing when mater

    16、ial is placed in the following positions: Top surface to top surface ENGINEERING MATERIAL SPECIFICATION WSS-M2D518-A1 Copyright 2017, Ford Global Technologies, LLC Page 3 of 5 Top surface to back surface 3.6.7 Soiling and Cleanability Rating 3 min (FLTM BN 112-08, AATCC Evaluation Procedure 1) Test

    17、agents: Soil, coffee, and grease 3.6.8 Resistance to Window Cleaner Rating 4 min Window cleaning solution must contain at least 1% butyl cellusolve. Test procedure: Prepare test samples by placing 2.0 ml of cleaner on the sample. A non-reactive washer may be used to control the location of the clean

    18、er on the sample. Expose the sample at room temperature for 1 h, rinse with tap water, and dry carefully with a clean paper towel; do not rub spots. Evaluate per ISO 105-A02/AATCC Evaluation Procedure 1. 3.6.9 Pigment Color Change Rating 4 min (40 hrs at 100 +/-2 C, AATCC Evaluation Procedure 1) 3.7

    19、 MATERIAL PROPERTIES 3.7.1 Density 1.14 1.26 g/cm3 (ISO 1183, Method A) 3.7.2 Hardness, Durometer A 70 +/- 10 (ISO 868 / ASTM D2240, 15 s dwell, specimen thickness) 3.7.3 Tensile Strength at Break 9.0 MPa min (ISO 37, Type 1, 500 mm/minute test speed) 3.7.4 Elongation at Break 300% min (ISO 37, Type

    20、 1, 500 mm/minute test speed) 3.7.5 Cold Flexibility No cracks (24 h at -40 +/- 2 C, 180 bend over a 20 +/- 1 mm diameter mandrel, 150 x 50 mm sample) 3.7.6 Tear Strength 30 kN/m min (ISO 34, Figure 2, Angle Test Piece, Method B, Procedure A or ASTM D624, Die C, 50 mm/min test speed) 3.7.7 Heat Agin

    21、g Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C, unaged property values shall be determined at the time of the aged property determination) 3.7.7.1 Tensile Strength at Break, Change -25% max 3.7.7.2 Elongation at Break, Change -50% max (100% absolute elongation) 3.7.8

    22、Interior Odor Test Rating 3 max (FLTM BO 131-03, Variant C) at each condition All materials 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 until tested. ENGINEERING MATERIAL SPECIFICATION W

    23、SS-M2D518-A1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 5 3.7.9 Fogging, Photometric (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, posttest conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. All materials should be stored i

    24、n an open environment for 14-28 days after manufacture, and then must be bagged in heat sealed polyethylene (PE) or PE coated aluminum bags until tested. 3.7.10 Flammability (ISO 3795/SAE J369) Burn Rate 100 mm/minute max 3.7.11 Resistance to Dynamic Exudation Rating 4-5 min (AATCC Evaluation Proced

    25、ure 1, 168 h exposure) Place full construction samples in a chamber that can maintain the conditions of 70% +/- 5% RH and 70 C +/- 2 C. Whitening, blooming, spewing, exudation, etc. on the surface of the samples shall be cause for rejection To be used for initial technology approval only or change i

    26、n Tier 1 supplier and/or process. 3.8 MATERIAL PROPERTIES REPORT ONLY 3.8.1 Impact Strength, Multiaxial Impact Testing 100% Ductile to Determine the Ductile/Brittle Transition Report J Energy (ISO 6603 or ASTM D3763, 6.7 m/s, 1 mm Absorbed and 1.2 mm thickness, -30 C) A ductile results is defined as

    27、 a crack that does not radiate more than 10 mm from the center of the impact point. Test specimens must be conditioned for a minimum of 6 hours at test temperature prior to impact testing. Low temperature testing shall be conducted within the same environmental chamber as the clamp mechanism of the

    28、impact device. Specimens can be transported from the conditioning environment to the testing environment, provided the transfer is within 5 seconds. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Cont

    29、act for questions concerning Engineering Material Specifications. 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed co

    30、py of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year.

    31、Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. ENGINEERING MATERIAL SPECIFICATION WSS-M2D518-A1 Copyright 2017, Ford Global Technologies, LLC Page 5 of 5 4.2 SUPPLIERS ONGOIN

    32、G RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the s

    33、upplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Speci

    34、fications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.3 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company directio

    35、n applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 4.4 GENERIC IDENTIFICATION AND MARKING OF RESINS TPU (ISO 1043/11469/18064) 5. SUMMARY OF REVISIONS


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