FORD WSS-M2D504-A2-2009 THERMOPLASTIC ELASTOMER STYRENE POLYOLEFIN BLOCK COPOLYMER (TES) 49 DUROMETER A HARDNESS INTERIOR OR EXTERIOR WEATHERABLE TO BE USED WITH FORD WSS-M99P1111.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 06 03 A2 N-STATUS A2 Replaced by WSS-M2D505-A7 K. Mueller, NA 2009 01 20 A3-INACTIVATED No Replacement Named L. Schmalz, NA 2000 06 09 Released K. D Bruley Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Pag

2、e 1 of 4 THERMOPLASTIC ELASTOMER, STYRENE POLYOLEFIN WSS-M2D504-A BLOCK COPOLYMER (TES), 57 DUROMETER A HARDNESS, INTERIOR OR EXTERIOR WEATHERABLE THERMOPLASTIC ELASTOMER, STYRENE POLYOLEFIN N-STATUS WSS-M2D504-A2 BLOCK COPOLYMER (TES), 49 DUROMETER A HARDNESS, INTERIOR OR EXTERIOR WEATHERABLE THERM

3、OPLASTIC ELASTOMER, STYRENE POLYOLEFIN INACTIVE WSS-M2D504-A3 BLOCK COPOLYMER (TES), 35 DUROMETER A HARDNESS, INTERIOR OR EXTERIOR WEATHERABLE 1. SCOPE The material defined by these specifications is a black U.V. stabilized thermoplastic styrene-ethylene/butylene-styrene copolymer elastomer. The mat

4、erial possesses a good exterior weathering capability and can be processed by conventional thermoplastic molding techniques such as injection and/or extrusion molding. 2. APPLICATION These specifications were released originally for material used on gap hiders, and shift boots. 3. REQUIREMENTS 3.1 S

5、TANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 MATERIAL TESTING 3.2.1 Preparation of Test Specimens Whenever possible, all test specimens shall be die-cut from the f

6、inished parts. When not feasible, specimens cut from molded test sheets manufactured from the same material and with equivalent cure to the molded parts are recommended. The test sheets shall have the following dimensions: 150 x 150 mm, min x 2.0 +/- 02 mm ENGINEERING MATERIAL SPECIFICATIONWSS-M2D50

7、4-A/A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 2 of 4 A A2 A3 3.3 ORIGINAL PROPERTIES 3.3.1 Density, +/- 0.05 g/cm31.2 1.2 1.05 (ISO 1183, Method A) 3.3.2 Hardness, Durometer A 52-62 43 53 30 - 40 (ISO 868, instantaneous, 6.0 mm plied-up specimen) 3.3.3 Te

8、nsile Strength, MPa, min 3.6 3.5 3.5 (ISO 37, test speed: 508 mm/min) 3.3.3.1 Elongation at Break, 180 390 500 %, min (Test method according to para 3.3.3) 3.3.3.2 Modulus at 100% 1.5 1.4 0.5 Elongation, MPa, min (Test method according to para 3.3.3) 3.3.4 Tear Strength, min, kN/m (ISO 34, Method B

9、Procedure A) 3.3.4.1 Parallel to Flow 18 19 9 3.3.4.2 Perpendicular to Flow 19 16 6 3.3.5 Brittleness Point, max, C - 60 - 53 - 58 (ISO 812, Type B specimen/ ASTM D 2137, Method A) 3.3.6 Ozone Resistance, max Rating 0 0 0 (FLTM BP 101-01, Procedure A) 3.3.7 Compression Set, %, max 60 94 70 (ISO 815,

10、 plied-up specimens, 22 h at 70 +/- 2 C) 3.3.8 Migration Staining Rating 4 (FLTM BN 103-01, ISO 105-A02/ AATCC Ev-Proc. 1) ENGINEERING MATERIAL SPECIFICATIONWSS-M2D504-A/A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 3 of 4 A A2 A3 3.4 HEAT AGING (ISO 188, 150

11、 +/- 50 air change/h, 1000 h at 125 +/- 2 C) 3.4.1 Hardness Change, max 5 8 5 3.4.2 Tensile Strength Change, max 50% 3.4.3 Elongation Change, max 50% 3.4.4 Visual Evaluation No surface tackiness or cracks when folded flat against self. 3.5 FOGGING, min 70 (SAE J1756, 3 h at 100 C heating, 21 C cooli

12、ng plate, post conditioning 1 h) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max, mm/minute 100 3.7 WEATHERING RESISTANCE After exposure in accordance with 3.9.1, 3.9.2 and 3.9.3 the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation procedure 1/ISO 105-A02). I

13、n 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 by washing and/or polishing with Ford car polish (auto wax) after the outdoor exposure, by permission of the affected Product D

14、evelopment Materials Activity. All initial approval will be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.7.1 Xenon Arc Weatherometer Rating 4 (SAE J1960, 2500 kJ/m2exposure minimum, specimen size: 60 x 60 minimum x 2.0 +/- 0.1 mm

15、 thick, smooth surface, low gloss injection molded specimen) ENGINEERING MATERIAL SPECIFICATIONWSS-M2D504-A/A3 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, Inc. Page 4 of 4 3.7.2 12 months Florida Rating 4 12 months Arizona (SAE J1976, 5 south, direct weathering inland,

16、specimen size: 60 x 60 minimum x 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen) 3.7.3 24 months Florida Rating 3 - 4 24 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum x 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection

17、 molded specimen) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 23E-5/C 23E-5/C (ASTM E 831 TMA, temperature range -30 30 C) A A2 A3 4.2 MOLD SHRINKAGE (ISO 2577, 150 x 100 x 2.0 +/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage After 48 h 23 +/- 2 C, mm/mm Length 0.018 0.0188 0.018 Width 0.008 0.0089 0.018 4.2.2 Post Shrinkage After 48 h 110 +/- 2 C, mm/mm Length 0.016 0.0131 .003 Width 0.004 0.0131 .0005 4.3 RECYCLING CODE TES TEO