1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2016 07 08 Released I.Gruenwald, T.Nover, EU Controlled document at www.MATS Copyright 2016, Ford Global Technologies, LLC Page 1 of 6 THERMOPLASTIC ELASTOMER (TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A1 40 DUROMETER, UNDERHOOD THERMO
2、PLASTIC ELASTOMER (TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A2 50 DUROMETER, UNDERHOOD THERMOPLASTIC ELASTOMER (TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A3 60 DUROMETER, UNDERHOOD THERMOPLASTIC ELASTOMER (TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A4 70 DUROMETER, UNDERHOOD THERMOPLASTIC ELASTOMER
3、TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A5 80 DUROMETER, UNDERHOOD THERMOPLASTIC ELASTOMER (TPS), STYRENE BLOCK COPOLYMER, WSS-M2D516-A7 95 DUROMETER, UNDERHOOD 1. SCOPE The material defined by this specification is a thermoplastic elastomer based on styrene block copolymer. 2. APPLICATION These
4、specifications were released originally for materials used for air guide underhood applications. 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 lis
5、ted 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 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned for not less than 24 h prior to testing in acont
6、rolled environment 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 SAMPLE PREPARATION Whenever possible, all test specimens shall be die-cut from the finished parts. When not feasible, specimens cut from molded te
7、st sheets manufactured from the same material and with equivalent cure to molded parts are recommended. ENGINEERING MATERIAL SPECIFICATION WSS-M2D516-A1/A2/A3/A4/A5/A7 Copyright 2016 Ford Global Technologies, LLC Page 2 of 6 3.4 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS 3.4.1 This specification
8、 is based on virgin materials, however materials with recycled content as defined by WRS-M99P42-A1 (post-consumer and/or postindustrial recyclates and repolymerised recycled materials) should be used whenever technically feasible and following all materials and PV testing required by Ford Materials
9、Engineering. 3.4.2 The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in Ford Engineering CAD and Drafting Standard E-4. 3.4.3 Performance Criteria: Parts using this specification shall meet the appropriate performance specifications, WSS-M15P50-B/Lat
10、est or as otherwise designated. 3.5 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 future
11、 material supplied to the specification shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.6 MATERIAL PROPERTIES 3.6.1 Density 1.0 - 1.2 g/cm3 (ISO 1183-1, Method A) 3.6.2 Hardness, Durometer A (ISO 868 / ASTM D 2240, instantan
12、eous, 6 mm thick, piled up specimen) A1 A2 A3 A4 A5 A7 40 5 50 5 60 5 70 5 80 5 95 5 3.6.3 Tensile Strength at Break MPa,min (ISO R527, Type 2 / ASTM D 412, Die C, 500 mm/minute test speed) Direction A1 A2 A3 A4 A5 A7 3.6.3.1 Parallel to Flow 2 2 2.5 4 5 7.5 3.6.3.2 Perpendicular to Flow 2.5 2.5 3.5
13、 4.5 5.5 8 ENGINEERING MATERIAL SPECIFICATION WSS-M2D516-A1/A2/A3/A4/A5/A7 Copyright 2016 Ford Global Technologies, LLC Page 3 of 6 3.6.4 Elongation at Break %, min (ISO R527, Type 2 / ASTM D 412, Die C, 500 mm/minute test speed) Direction A1 A2 A3 A4 A5 A7 3.6.4.1 Parallel to Flow 300 300 300 400 4
14、00 300 3.6.4.2 Perpendicular to Flow 300 300 300 400 550 350 3.6.5 Tensile Modulus at 100 % Elongation MPa, min (ISO R527, Type 2 / ASTM D 412, Die C, 500 mm/minute test speed) Direction A1 A2 A3 A4 A5 A7 3.6.5.1 Parallel to Flow 0.5 0.5 1.0 1.5 2.0 3.0 3.6.5.2 Perpendicular to Flow 0.5 0.5 1.0 2.0
15、2.5 3.5 3.6.6 Tear Strength, Unnotched kN/m, min (ISO 34-1, Method B, Procedure A / ASTM D 624, Die C) Direction A1 A2 A3 A4 A5 A7 3.6.6.1 Parallel to Flow 8 10 14 22 25 32 3.6.6.2 Perpendicular to Flow 10 12 16 24 27 35 3.6.7 Low Temperature Brittleness No Cracking (ISO 812, Type B Specimen, at -40
16、 C) 3.6.8 Ozone Resistance 0 Rating, max (FLTM BP 101-01, Procedure A, tensile specimen, 20% Elongation) 3.6.9 Compression Set (ISO 815, 13 mm Type Plied Specimen / ASTM D 395, Method B, Type 1 Plied Specimen) 3.6.9.1 72 h at 23 1 C %, max A1 A2 A3 A4 A5 A7 25 30 35 35 40 55 3.6.9.2 22 h at 70 1C 60
17、 %, max 3.6.9.3 22 h at 100 1C 80 %, max 3.6.9.4 22 h at 120 1C Report Value, % ENGINEERING MATERIAL SPECIFICATION WSS-M2D516-A1/A2/A3/A4/A5/A7 Copyright 2016 Ford Global Technologies, LLC Page 4 of 6 3.6.10 Flammability (ISO 3795/SAE J369, smooth surface) Burn Rate 100 mm/minute, max The specimen s
18、ize required for material approval is 355 x 100 x 2.0 0.1 mm with a smooth surface. In case the required sample size is not availible, please contact Material Engineering. 3.7 HEAT AGED (ISO 188, 150 50 air changes/h, 1000 h at 120 C 2 C. After heat aging test specimens are to be conditioned in a de
19、siccator for 3 - 5 h at 23 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.7.1 Hardness Change points (Test Method per para 0) A1 A2 A3 A4 A5 A7 8 5 6 5 5 5 3.7.2 Tensile Strength Change 25 %, max (Test Method per para 0) 3.7.3 Elongation Change 25
20、 %, max (Test Method per para 0) 3.7.4 Low Temperature Brittleness No Cracks (Test Method per para 0) 3.8 MATERIAL PROPERTIES REPORT ONLY 3.8.1 Molding Shrinkage (ISO 2577, Injection molded specimen) Report Sample Size 3.8.1.1 After 48 h at 23 2 C Flow Report Value, % Cross Flow Report Value, % 3.8.
21、2 Coefficient of Linear Thermal Expansion (ASTM E 831 / ISO 11359-2, -30 2 C to 100 2 C) Flow Report Value, E-5 mm/mm/ C Cross Flow Report Value, E-5 mm/mm/ C 3.9 SUPPLEMENTAL INFORMATION The following curves are to be submitted with the data packages: FTIR (picture and file*) TGA (up to 900C) DSC (
22、60 to 250C, 10K/min, first and second heat) CLTE (-30C to 100C) Engineering Stress/Strain at 23 C (curve, x-y-data) * File formats: spa ; jdx ; ird ; nic ; spc ; irs ; gaml ; matson ENGINEERING MATERIAL SPECIFICATION WSS-M2D516-A1/A2/A3/A4/A5/A7 Copyright 2016 Ford Global Technologies, LLC Page 5 o
23、f 6 4. GENERAL INFORMATION 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 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES TPS (ISO 18064) 4.2 APPROVA
24、L 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 copy of their laboratory test reports, signed by a qualified and authorized repr
25、esentative 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. Upon request, the supplier will review the associated quality control document
26、s (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.3 SUPPLIERS ONGOING 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 original
27、ly 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 submission of a complet
28、ed 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 must be kept until Jo
29、b 1. 4.4 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 updated yearly. It is the
30、 suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. ENGINEERING MATERIAL SPECIFICATION WSS-M2D516-A1/A2/A3/A4/A5/A7 Copyright 2016 Ford Global Technologies, LLC Page 6 of 6 Table 1: Minimum Sample Size Initial Approval New Manufacturing Lo
31、cation for Previously Approved Material Para. Test Minimum Lots Specimens per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 0 WSS-M15P50-B/Latest Reference the Performance Specification 0 Density 1 3 3 1 3 3 0 Hardness, Durometer A 1 5 measurements 1 0 Tensile Strength at Brea
32、k 3 5 15 1 5 5 0 Elongation at Break 3 5 15 1 5 5 0 Tensile Modulus at 100% Elongation 1 10 10 0 Tear Strength, unnotched (each direction) 3 10 30 1 10 10 0 Low Temperature Brittleness 1 3 3 0 Ozone Resistance 1 3 3 0 Compression Set (each condition) 3 3 9 0 Flammability 1 5 5 3.7 Heat Aging Perform
33、ance 0 Hardness, Durometer A, Change 1 5 measurements 1 0 Tensile Strength at Break, Change 1 5 5 0 Elongation at Break, Change 1 5 5 0 Low Temperature Brittleness 1 5 5 0 Molding Shrinkage 1 5 5 0 Coefficient of Linear Thermal Expansion 1 3 3 3.9 Curves - IR - TGA - DSC (first and second heat) - CLTE (3 flow and 3 cross flow) - Stress/Strain (curve and x-y-data) 1 1 1 per test 5. SUMMARY OF REVISIONS
