FORD WSS-M2D505-A7-2013 THERMOPLASTIC ELASTOMER STYRENE POLYOLEFIN BLOCK COPOLYMER (TES) 49 DUROMETER A HARDNESS EXTERIOR WEATHERABLE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Rev. 01 2013 08 02 Revised Changed Brittleness Point from -53C to -52C H. Santos, FSAO 2009 02 04 Activated K. Mueller, FNA Controlled document at www.MATS Copyright 2013, Ford Global Technologies, Inc. Page 1 of 4 THERMOPLASTIC ELASTOMER, STY

2、RENE POLYOLEFIN WSS-M2D505-A7 BLOCK COPOLYMER (TES), 49 DUROMETER A HARDNESS, EXTERIOR WEATHERABLE 1. SCOPE The material defined by this specification is a black U.V. stabilized thermoplastic styrene-ethylene/butylene-styrene copolymer elastomer. The material possesses a good exterior weathering cap

3、ability and can be processed by conventional thermoplastic molding techniques such as injection and/or extrusion molding. 2. APPLICATION This specification was released originally for material used for cowl top ventilator grille seals and muckets. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUC

4、TION 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 finished parts. When not feasibl

5、e, 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-M2D505-A7Copyright 2013, Ford Global

6、 Technologies, Inc. Page 2 of 4 3.3 ORIGINAL PROPERTIES 3.3.1 Density, +/- 0.03 g/cm31.18 (ISO 1183, Method A) 3.3.2 Hardness, Durometer A, points 43 53 (ISO 868, 10 second dwell, 6.0 mm plied-up specimen) 3.3.3 Tensile Strength 3.5 MPa min (ISO 37, test speed: 508 mm/min) 3.3.3.1 Elongation at Brea

7、k, 535 % min (Test method according to para 3.3.3) 3.3.3.2 Modulus at 100% Elongation 1.4 MPa, min (Test method according to para 3.3.3) 3.3.4 Tear Strength (ISO 34, Method B Procedure A) 3.3.4.1 Parallel to Flow 17 kN/m min 3.3.4.2 Perpendicular to Flow 17 kN/m min 3.3.5 Brittleness Point -52 C max

8、 (ISO 812, Type B specimen/ ASTM D 2137, Method A) 3.3.6 Ozone Resistance Rating 0 max (FLTM BP 101-01, Procedure A) 3.3.7 Compression Set 94 % max (ISO 815, plied-up specimens, 22 h at 70 +/- 2 C) 3.3.8 Migration Staining Rating 4 min (FLTM BN 103-01, ISO 105-A02/ AATCC Ev-Proc. 1) ENGINEERING MATE

9、RIAL SPECIFICATIONWSS-M2D505-A7Copyright 2013, Ford Global Technologies, Inc. Page 3 of 4 3.4 HEAT AGING (ISO 188, 150 +/- 50 air change/h, 1000 h at 125 +/- 2 C) 3.4.1 Hardness Change 8 points max 3.4.2 Tensile Strength Change 50% max 3.4.3 Elongation Change 50% max 3.4.4 Visual Evaluation No surfa

10、ce tackiness or cracks when folded flat against self. 3.5 FLAMMABILITY (ISO 3795) Burn Rate 100 mm/minute max 3.6 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 procedur

11、e 1/ISO 105-A02). 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 by washing and/or polishing with Ford car polish (auto wax) after the outdoor exposure, by permission of the

12、 affected Product Development Materials Activity. All initial approval will be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.6.1 Xenon Arc Weatherometer Rating 4 min (SAE J2527 Atlas Water Cooled, Rotary Drum Xenon-Arc Apparatus o

13、nly. Modified Type “S“ borosilicate inner and outer filters, 0.55 W/m2 radiant exposure monitored at 340 nm). 3000 h total exposure or as otherwise defined, specimen size 60 x 60 minimum, 2.0 +/- 0.1 mm thick smooth surface, low gloss injection molded specimen B. Color submissions: Program Colors EN

14、GINEERING MATERIAL SPECIFICATIONWSS-M2D505-A7Copyright 2013, Ford Global Technologies, Inc. Page 4 of 4 3.6.2 1 and 2 year Florida Initial Qualification for new resin technology Rating 4 min (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth s

15、urface, low gloss injection molded specimen B) 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 RECYCLING CODE TES 5. SUMMARY OF REVISIONS 2013 08 02 Changed Brittleness Point from -53C to -52C.