1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 12 07 Revised Updated format; Inserted 4. 2003 06 04 Activated B HennesseyPrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1 of 4 THERMOPLASTIC ELASTOMER (TES) WSS-M2D507-A STYRENE BLOCK COPOLYMER 45 DURO
2、METER A HARDNESS, INTERIOR THERMOPLASTIC ELASTOMER (TES) WSS-M2D507-A2 STYRENE BLOCK COPOLYMER 60 DUROMETER A HARDNESS, INTERIOR THERMOPLASTIC ELASTOMER (TES) WSS-M2D507-A3 STYRENE BLOCK COPOLYMER 75 DUROMETER A HARDNESS, INTERIOR THERMOPLASTIC ELASTOMER (TES) WSS-M2D507-A4 STYRENE BLOCK COPOLYMER 8
3、0 DUROMETER A HARDNESS, INTERIOR THERMOPLASTIC ELASTOMER (TES) WSS-M2D507-A5 STYRENE BLOCK COPOLYMER 90 DUROMETER A HARDNESS, INTERIOR 1. SCOPE The materials defined by these specifications are colored and U.V. stabilized thermoplastic elastomers based on Styrene block copolymers (TES) for interior
4、use of nominal instantaneous Durometer A hardnesses ranging from 45 to 90 having good long term resistance to heat at temperatures up to 100 C. These materials can be considered as lower cost alternatives to TPV materials. 2. APPLICATION These specifications were released originally for materials us
5、ed for general unpainted interior components which are black or color keyed such as seals, bezels, gaskets, edge strips, control knob covers, etc but excluding air bag covers. The materials can be processed by conventional thermoplastics molding techniques such as injection molding, extrusion and bl
6、ow-molding. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 DYNAMIC MECHANICAL ANALYSIS (ASTM D 4065) Ford Motor Company, at its option, may esta
7、blish shear modulus/damping vs. temperature curves plotted for -50 to +170 C temperature range for material/parts supplied to this specification. The shear modulus and damping curves established for initial approval shall constitute the reference standard and shall be kept on file at the designated
8、material laboratory. All samples shall produce shear modulus and damping curves that correspond to the reference standard when tested under the same conditions. ENGINEERING MATERIAL SPECIFICATIONWSS-M2D507-A/A2/A3/A4/A5Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Pag
9、e 2 of 4 3.3 PREPARATION OF TEST SPECIMENS Unless otherwise specified, 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, and preceded by a 0.8 mm dia
10、meter pin gate. No annealing allowed, unless specified otherwise. 3.4 FINISHED PART REQUIREMENTS The finished part must conform with the requirements of the performance specification WSS-M15P4-E and/or the relevant System Design Specifications (SDS). 507-A1 507-A2 507-A3 507-A4 507-A5 3.5 DENSITY, +
11、/- 0.05 g/cm3 (ISO 1183, Method A/ ASTM D 792, Method A1) 1.18 1.20 0.95 1.12 0.90 3.6 HARDNESS, DUROMETER A (ISO 868, after 15 sec.) 45 +/- 5 60 +/- 5 75 +/- 5 77 +/- 5 90 +/- 5 3.7 TENSILE STRENGTH, MPa, min (ISO 37/ASTM D 412, Die C, 500 mm/min test speed. Measured Parallel to Flow) 1.5 3 7.5 6.3
12、 12.2 3.7.1 Elongation at Break, % min (Test per para 3.7) 150 280 580 180 620 3.8 MODULUS AT 100% ELONGATION, +/- 20% (Test per para 3.7) 2.1 2.5 4 5.7 6.2 3.9 TEAR STRENGTH, kN/m, min (ISO 34, Method B, procedure a/ ASTM D 624, Die C) 3.9.1 Parallel to Flow 11 19 39 26 48 3.9.2 Perpendicular to Fl
13、ow 19 23 36 30 48 3.10 COMPRESSION SET, %, max (ISO 815, Large Type plied specimen/ASTM D 395, Method B, Type 1 plied specimen) 3.10.1 72 h at 23 +/- 1 C 13 19 44 31 NA* 3.10.2 24 h at 70 +/- 2 C 33 39 53 45 NA* ENGINEERING MATERIAL SPECIFICATIONWSS-M2D507-A/A2/A3/A4/A5Printed copies are uncontrolle
14、d Copyright 2004, Ford Global Technologies, LLC Page 3 of 4 507-A1 507-A2 507-A3 507-A4 507-A53.11 BRITTLENESS POINT, C max (ISO 812, Type B specimen/ ASTM D 2137, Method A) -30 -30 -30 -30 -30 3.12 OZONE RESISTANCE, Rating, max (FLTM BP 101-01, Method A at 20% elongation) 0 0 0 0 0 * NA = Not Appli
15、cable 3.13 HEAT AGED (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination.) Hardness Change, max +5 +5 +5 +5 +5 Tensile Strength Change, % max +30 +30 +30 +30 +10 Elongation Change, % max +30
16、 +30 +30 +30 +10 3.14 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.15 ODOR, max (SAE J1351/FLTM BO 131-01) Rating 2 3.16 FLAMMABILITY (ISO 3795/FMVSS 302)
17、Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a smooth surface. ENGINEERING MATERIAL SPECIFICATIONWSS-M2D507-A/A2/A3/A4/A5Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4 3.17 WEATHERING RESIS
18、TANCE After exposure in accordance with 3.17.1 and 3.17.2 the material shall show no fading or color change in excess of specified AATCC rating (AATCC Gray Scale for Evaluating Change in color, 10 Step). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss
19、or chalking will be allowed provided an acceptable appearance can be achieved by washing with mild detergents and water (ratio 5:95 by volume). All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.17.1 Xenon Arc Weather
20、ometer Rating 4 (SAE J1885, 488.8 kJ/m2exposure minimum, specimen size: 150 x 100 mm minimum, 2.0 +/- 0.2 mm thick, molded in smooth polished mold) 3.17.2 12 months Florida Rating 4 (FLTM BI 160-01, 5 south, under glass specimen size: 150 x 100 mm minimum 2.0 +/- 2.0 mm thick molded in smooth polished mold) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 RECYCLING CODE TES
