1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 0 2014 05 16 Released T.Nover, M.Corley, EU Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 6 THERMOPLASTIC ELASTOMER (TPS) WSS-M2D517-A2 STYRENE BLOCK COPOLYMER, MEDIUM HEAT RESISTANT 50 DUROMETER
2、A HARDNESS, EXTERIOR THERMOPLASTIC ELASTOMER (TPS) WSS-M2D517-A3 STYRENE BLOCK COPOLYMER, MEDIUM HEAT RESISTANT 60 DUROMETER A HARDNESS, EXTERIOR THERMOPLASTIC ELASTOMER (TPS) WSS-M2D517-A4 STYRENE BLOCK COPOLYMER, MEDIUM HEAT RESISTANT 70 DUROMETER A HARDNESS, EXTERIOR THERMOPLASTIC ELASTOMER (TPS)
3、 WSS-M2D517-A5 STYRENE BLOCK COPOLYMER, MEDIUM HEAT RESISTANT 80 DUROMETER A HARDNESS, EXTERIOR 1 SCOPE The material defined by this specification is a thermoplastic elastomer based on styrene block copolymer. 2 APPLICATION WSS-M2D517-A2/3/4/5 These specifications were released originally for materi
4、al used for exterior applications. 2.1 LIMITATION These materials should not be used for applications with heat requirements higher than 90C. 3 REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for
5、 Production Materials (WSS-M99P1111-A). 3.1.1 The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in Ford Engineering CAD and Drafting Standard E-4 3.1.2 Performance Criteria: Parts using this specification shall meet the appropriate performance specif
6、ications, WSS-M98P13-C/Latest or WSS-M9P10-A/Latest. 3.2 APPEARANCE 3.2.1 Weathering Resistance Rating 4, min (SAE J2527 Atlas Water Cooled, Rotary Drum Xenon-Arc Apparatus only. Modified Type “S“ borosilicate inner and outer filters, ENGINEERING MATERIAL SPECIFICATION WSS-M2D517-A2/A3/A4/A5 Copyrig
7、ht 2014 Ford Global Technologies, LLC Page 2 of 6 0.55 W/m2 radiant exposure monitored at 340 nm, 3000 h total exposure or as otherwise defined, Specimen C, from smooth polished mold, ISO 105-A02 / AATCC Evaluation Procedure 1) For color durability submissions, test all program colors. 3.2.2 1 and 2
8、 year Florida Initial Qualification for new resin technology (SAE J1976, 5 south, direct weathering inland, Specimen C from smooth polished mold, ISO 105-A02 / AATCC Evaluation Procedure 1) (12 months) Rating 4, min (24 months) Rating 4, min After exposure the material shall show no color change in
9、excess of the specified AATCC Rating. In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved as specified below by washing with mild detergents and water (ratio 5:95 by volume) or e
10、quivalent after the outdoor exposure only. All initial approvals may be based on the accelerated weathering exposure, pending real world outdoor exposure results for final approval. 3.3 MATERIAL PROPERTIES 3.3.1 Density 0.85-1.2 g/cm3 (ISO 1183-1, Method A) 3.3.2 Hardness, Shore A (ISO 868, 6 mm pil
11、ed-up specimen, 15 seconds dwell ) A2 A3 A4 A5 50 +/-5 60 +/-5 70 +/-5 80 +/-5 3.3.3 Tensile Strength at Break, MPa min (ISO 37, Type 2 specimen, 75 x 4 x 2.0 +/- 0.2 mm 500 mm/minute test speed) 3.3.3.1 Parallel to Flow A2 A3 A4 A5 2.0 2.5 4.0 5.0 3.3.3.2 Perpendicular to flow A2 A3 A4 A5 2.5 3.5 4
12、5 5.5 ENGINEERING MATERIAL SPECIFICATION WSS-M2D517-A2/A3/A4/A5 Copyright 2014 Ford Global Technologies, LLC Page 3 of 6 3.3.4 Elongation at Break, % min (ISO 37, Type 2 Specimen at 500 mm/min) 3.3.4.1 Parallel to Flow A2 A3 A4 A5 300 350 400 400 3.3.4.2 Perpendicular to flow A2 A3 A4 A5 350 500 50
13、0 500 3.3.5 Tensile Modulus at 100 % Elongation, MPa min (ISO 37, Type 2 Specimen at 500 mm/min) 3.3.5.1 Parallel to Flow A2 A3 A4 A5 0.5 1.0 1.5 2.0 3.3.5.2 Perpendicular to flow A2 A3 A4 A5 0.5 1.0 2.0 2.5 3.3.6 Tear Strength (unnotched tear),kN/m, min (ISO 34-1, Method B, Procedure A/ ASTM D 624,
14、 Die C) 3.3.6.1 Parallel to Flow A2 A3 A4 A5 10 13 22 25 3.3.6.2 Perpendicular to flow A2 A3 A4 A5 12 15 24 27 3.3.7 Low Temperature Brittleness No Cracking (ISO 812, Type B Specimen/ ASTM D 2187, Method A), at -40 C 3.3.8 Ozone Resistance 0 Rating (FLTM BP 101-01, Procedure A, tensile specimen, 20%
15、 Elongation) 3.3.9 Compression Set %, max (ISO 815, Type B / ASTM D 395, Method B, Type 1) ENGINEERING MATERIAL SPECIFICATION WSS-M2D517-A2/A3/A4/A5 Copyright 2014 Ford Global Technologies, LLC Page 4 of 6 3.3.9.1 72 h at 23 +/- 1 C A2 A3 A4 A5 35 35 35 40 3.3.9.2 22 h at 70 +/- 1 C A2 A3 A4 A5 45 5
16、0 50 55 3.3.9.3 22 h at 100 +/- 1 C Report 3.3.9.4 1000 h at 70 +/- 1 C Report 3.3.9.5 1000 h at 100 +/- 2 C Report 3.3.10 Heat Aging (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 90C +/- 2C) 3.3.10.1 Hardness Change, max (Test Method per para 3.3.2) A2 A3 A4 A5 +/- 5 +/- 5 +/- 5 +/- 5 3.3.10
17、2 Tensile Strength Change +/- 25 % (Test Method per para 3.3.3) 3.3.10.3 Elongation Change +/- 25 % (Test Method per para 3.3.4) 3.3.10.4 Brittleness or Bend Test No Cracks (Test Method per para 3.3.7) 3.3.11 Coefficent of Linear Thermal Expansion, m/m C x 1-5 (ISO 11359-2) Flow Direction (Machine
18、Direction) Report Transverse to Flow (Cross Machine) Report 3.3.12 Flammability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate 100 mm/minute max The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm (use specimen B) with a smooth surface. ENGINEERING MATERIAL SPEC
19、IFICATION WSS-M2D517-A2/A3/A4/A5 Copyright 2014 Ford Global Technologies, LLC Page 5 of 6 3.4 SUPPLEMENTAL INFORMATION The following curves are to be submitted with the data packages: FTIR (picture and file*) TGA (up to 900C) DSC (-60 to 250C, 10 K/min) CLTE (-30C to 100C, ISO 11359-2) Engineering S
20、tress/Strain at 23 C * File formats: spa ; jdx ; ird ; nic ; spc ; irs ; gaml ; matson formats 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 Spec
21、ifications. 4.1 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES TPS (ISO 18064) Table 1: Minimum Sample Size Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 3.1 WSS-
22、M99P1111-A 3.2.1 Weathering Resistance 1 1 1 3.2.1 1 and 2 year Florida 1 1 1 3.3.1 Density 1 3 3 3.3.2 Hardness, Shore A 1 5 1 3.3.3 Tensile Strength at Break* 3 5 15 1 5 5 3.3.4 Elongation at Break* 3 5 15 1 5 5 3.3.5 Tensile Modulus 1 10 10 3.3.6 Tear Strength* 3.3.6.1 Parallel to Flow 3 10 30 1
23、10 10 3.3.6.2 Perpendicular to Flow 3 10 30 1 10 10 3.3.7 Low Temperature Brittleness 1 3 3 3.3.8 Ozone Resistance 1 3 3 3.3.9 Compression Set 3 3 9 3.3.10 Heat Aging Performance 3.3.10.1 Tensile Strength at Yield Change 3 5 15 3.3.10.2 Elongation Change 3 5 15 3.3.10.3 Hardness Change 3 5 15 3.3.11
24、 Coefficent of Linear Thermal Expansion 1 5 5 3.3.12 Flammability 1 3 3 3.4 Curves - IR - TGA - DSC - CLTE - Stress/Strain Curves 1 1 1 per test * For these requirements the 3 sigma value from the raw data is used to meet the requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M2D517-A2/A3/A4/A5 Co
25、pyright 2014 Ford Global Technologies, LLC Page 6 of 6 Table 2: Minimum Color Property Testing Para. Test Lots Specimens per Lot Total Test Specimens Color Test Direction 3.2.1 Weathering Resistance 1 1 1 Every color 3.3.3 Tensile Strength at Breaik 1 5 5 As directed by Materials Engineering 3.3.11 Flammability 1 5 5 Every color
