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    FORD WSS-M2D520-A1-2017 THERMOPLASTIC ELASTOMER OLEFINIC (TPV) EPDM RUBBER MODIFIED HIGH FLOW UV STABLE 55 DUROMETER A HARDNESS INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSS-M2D520-A1-2017 THERMOPLASTIC ELASTOMER OLEFINIC (TPV) EPDM RUBBER MODIFIED HIGH FLOW UV STABLE 55 DUROMETER A HARDNESS INTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 00 2017 05 12 Released D. Stark, NA Controlled document at www.MATS.com Copyright 2017, Ford Global Technologies, LLC Page 1 of 7 THERMOPLASTIC ELASTOMER, OLEFINIC (TPV), WSS-M2D520-A1 EPDM RUBBER MODIFIED, HIGH FLOW, UV STABLE, 55 DUROM

    2、ETER A HARDNESS, INTERIOR 1. SCOPE The material defined by this specification is a thermoplastic elastomer based on high flow, UV stable, heat stabilized, vulcanized PP/EPDM. 2. APPLICATION This specification was released originally for material used for seat belt crash locking tongue cover bumper a

    3、pplications. 2.1 LIMITATIONS This material is not recommended for applications where oils, lubricants, solvents or similar hydrocarbons are encountered, temperatures greater than 100 C nor for high compression applications under constant load because of creep deformation behavior. 3. REQUIREMENTS 3.

    4、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 within Ford at or availa

    5、ble externally through a Ford Materials Engineer. The approved source for this specification is Mitsubishi Chemical Perfomance Polymers Trexprene A55SNI-HF 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 e

    6、nvironment 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 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms from initial material approval shall constitute the reference standa

    7、rd and shall be kept on file at the designated material laboratory. The material supplier shall ensure that all future 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 REQUIRE

    8、MENTS FOR PRODUCTION MATERIALS 3.4.1 Reference Table 1 for number of samples required for each test. ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1 Copyright 2017, Ford Global Technologies, LLC Page 2 of 7 Specimens shall be as follows: Specimen A 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 527-2, Spec

    9、imen Type 1A) Specimen B 355 x 100 x 1.0 +/- 0.1 mm Specimen C 145 x 60 x 3.2 +/- 0.2 mm Specimen D 80 x 10 x 4.0 +/- 0.2 mm (may be cut from the center of Specimen A) Specimen E 100 mm diameter x 3.2 mm Specimen F 80 mm diameter x 3.2 mm Specimen G 90 mm x 200 mm Specimen H 50 +/- 1 mm diameter x 3

    10、.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min 3.4.2 This specification is based on virgin material and does not allow the addition of recycled content (PIR/PCR). 3.4.3 Performance Criteria Parts using this specification shall meet the following appropriate performance specification: Elastomeric Part

    11、s, Interior Performance, WSS-M9P8-C/Latest. 3.4.4 Ford Materials Engineering may request a Control Plan and Certificate of Analysis (C of A) containing lot testing requirements which must include, but are not limited to: Hardness Tensile Strength Elongation 3.5 SAMPLE PREPARATION Unless otherwise sp

    12、ecified, all tests shall be conducted on specimens die cut from injection molded plaques, 150 x 100 x 2.0 +/- 0.2 mm. The plaques shall be molded according to ISO 294 and film gated along the upper 100 mm edge. No annealing allowed, unless specified otherwise. These samples are anisotropic in nature

    13、, both directions of the material sample must sampled for evaluations listed in Table 1. 3.6 APPEARANCE 3.6.1 Weathering Resistance Rating 4 min (FLTM BO 116-01, 2406.4 kJ/m2 exposure Use an ungrained test plaque, ISO 105-A02 / AATCC Evaluation Procedure 1) Every week* remove the samples from the we

    14、atherometer and allow them to cool for one hour. Conduct a tactile evaluation and report any tackiness. Visually evaluate and report any spewing or other exudation. After exposure, the material shall show no fading or color change in excess of the specified AATCC rating. In addition, there shall be

    15、no cracking, chalking, wrinkling, crazing, iridescence, bloom, milkiness, separation, loss of adhesion (coating), or loss of embossment allowed (as defined in ASTM D1566). *When setting machine for automatic shutoff, every 526.4 kJ/m2 is recommended. ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1

    16、Copyright 2017, Ford Global Technologies, LLC Page 3 of 7 3.6.2 Determining the Tackiness of Interior Materials Rating 4 min (FLTM BO 061-01, Specimen C, ungrained, non-polished mold. Expose per para. 3.6.1) Evaluate the test specimens every 526.4 until 2406.4 kJ/m2. If Rating falls below a Rating 4

    17、 at any interval this is cause for rejection. 3.6.3 Colorfastness To Burnt Gas Fumes Rating 4 min (AATCC 23 or equivalent method, 168 hours at 60 C, Specimen C, ISO 105-A02/AATCC Evaluation Procedure 1) 3.7 MATERIAL PROPERTIES 3.7.1 Density 0.90 0.92 g/cm3 (ISO 1183, Method A) 3.7.2 Hardness, Durome

    18、ter Shore A 55+/- 5 points (ISO 868 / ASTM D2240, 15 s dwell, 6 mm thick, piled up specimen) 3.7.3 Tensile Strength at Break 2.0 MPa, min (ISO 37, Type 2 Specimen, 500 mm/minute test speed) 3.7.4 Elongation at Break 305%, min (ISO 37, Type 2 Specimen, 500 mm/minute test speed) 3.7.5 Tensile Modulus

    19、at 100% Elongation 1.2 MPa, min (ISO 37, Type 2 Specimen, 500 mm/minute test speed) 3.7.6 Tear Strength, Unnotched 12 kN/m, min (ISO 34-01, Method B, Procedure A or ASTM D624, Die C) 3.7.7 Heat Aging Performance (1000 h at 100 +/- 2 C. After heat aging test specimens are to be conditioned in a desic

    20、cator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.7.7.1 Hardness, Durometer A, Change +/- 5 points (Test Method per para 3.7.2) 3.7.7.2 Tensile Strength at Break, Change +/- 25% max (Test Method per para 3.7.3) 3.7.7.3 Elo

    21、ngation at Break, Change +/- 25% max (Test Method per para 3.7.4) 3.7.8 Low Temperature Brittleness No Cracking (ISO 812, Type B Specimen, at -30 C) ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 7 Special Packaging Requirement for Odor 3.7.9

    22、 and Fogging 3.7.10: All materials should be stored in an open environment for 14-28 days after manufacture and then bagged in heat sealed polyethylene (PE) or PE coated aluminum bags for shipping. All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/

    23、-2 C and 50 +/-5% relative humidity for not less than 24 hours prior to testing and tested under the same conditions unless otherwise specified. Parts for testing must be labelled with the correct information: including supplier and date of manufacture. 3.7.9 Interior Odor Test (FLTM BO 131-03, Vari

    24、ant B, Specimen G) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max 3.7.10 Fogging (SAE J1756, Specimen F, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.7.11 F

    25、lammability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate 100 mm/minute max 3.8 MATERIAL PROPERTIES REPORT ONLY Values are retained in Ford Materials Database . 3.8.1 Hardness, International Report Value, IRHD (ISO 48 / ASTM D1415) 3.8.2 Supplemental Information The following curves are

    26、to be submitted with the data packages: FTIR TGA DSC first and second heat cycles, report Tg temperature Engineering Stress/Strain at 23, -30, 100 C 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Cont

    27、act for questions concerning Engineering Material Specifications. ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1 Copyright 2017, Ford Global Technologies, LLC Page 5 of 7 4.1 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Pur

    28、chasing, 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 requirements of the Material Specificat

    29、ion. 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) with Ford. 4.2 SUPPLIERS ONGOIN

    30、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

    31、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

    32、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

    33、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.

    34、4 GENERIC IDENTIFICATION AND MARKING OF ELASTOMERIC PRODUCTS PP-EPDM (ISO 1629/18064) ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1 Copyright 2017, Ford Global Technologies, LLC Page 6 of 7 Table 1: Minimum Sample Size The number of samples and tests for a site location change represents the mini

    35、mums. If additive packages or raw materials are changed, additional testing/samples may be requested at the discretion of the Materials Engineer. All tests must be tested in 2 directions : “Parallel to Flow” and “Perpendicular to Flow”. Report two values for these denoted tests. Initial Approval and

    36、 New Manufacturing Location Approval for Recycled Materials New Manufacturing Location for Previously Approved Virgin Material Para. Test Minimum Lots Specimens per Lot Total Test Specimens MinimumLots Specimens per lot Total Test Specimens 3.4.3 WSS-M9P8-C / Latest Reference the Performance Specifi

    37、cation 3.6.1 Weathering Resistance 1 1 1 3.6.2 Determining the Tackiness of Interior Materials 1 1 1 3.6.3 Colorfastness to Burnt Gas Fumes 1 3 3 3.7.1 Density 1 3 3 1 3 3 3.7.2 Hardness, Durometer A 1 5 measurements 1 1 5 measurements 1 3.7.3 Tensile Strength at Break * 3 5 15 1 5 5 3.7.4 Elongatio

    38、n at Break * 3 5 15 1 5 5 3.7.5 Tensile Modulus at 100% Elongation * 3 5 15 1 5 5 3.7.6 Tear Strength, Unnotched * 3 10 30 1 10 10 3.7.7 Heat Aging Performance 3.7.7.1 Hardness, Durometer A, Change 1 5 measurements 1 3.7.7.2 Tensile Strength at Break, Change * 1 5 5 3.7.7.3 Elongation at Break, Chan

    39、ge* 1 5 5 3.7.8 Low Temperature Brittleness 1 5 5 1 5 5 3.7.9 Odor 1 9 9 1 9 9 3.7.10 Fogging 1 3 3 1 3 3 3.7.11 Flammability 1 5 5 1 5 5 3.8.1 Hardness, International 1 5 measurements 1 3.8.2 Curves - IR - TGA - DSC (first and second heat) - CLTE (3 flow and 3 cross flow) Stress/Strain Curves 1 1 1

    40、 per test ENGINEERING MATERIAL SPECIFICATION WSS-M2D520-A1 Copyright 2017, Ford Global Technologies, LLC Page 7 of 7 Table 2: Minimum Color Property Testing - Contact Materials Engineering for Color Test Work Plan Para. Test Lots Specimens per Lot Total Test Specimens Color Test Direction 3.6.1 Weathering Resistance 1 1 1 Every color 3.6.3 Color Fastness to Burnt Gas 1 3 3 Light colors or as directed by Materials Engineering 3.7.11 Flammability 1 5 5 Every color 3.7.13 Odor 1 9 9 As directed by Materials Engineering


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