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    FORD WSD-M2D441-A-2004 THERMOPLASTIC ELASTOMER (TEO) POLYOLEFIN EPDM RUBBER MODIFIED TO BE USED WITH FORD WSS-M99P1111-A 《三元乙丙橡胶(EPDM)改性的热塑性聚烯径弹性体(TEO) 与标准FORD WSS-M99P1111-A一起使.pdf

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    FORD WSD-M2D441-A-2004 THERMOPLASTIC ELASTOMER (TEO) POLYOLEFIN EPDM RUBBER MODIFIED TO BE USED WITH FORD WSS-M99P1111-A 《三元乙丙橡胶(EPDM)改性的热塑性聚烯径弹性体(TEO) 与标准FORD WSS-M99P1111-A一起使.pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 09 28 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 & 4 2001 03 05 Revised Revised Para. 3.4.5 Note B Hennessey1990 08 21 Released C10089589 P.ThomasPrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC P

    2、age 1 of 4 THERMOPLASTIC ELASTOMER (TEO) WSD-M2D441-A POLYOLEFIN, EPDM RUBBER MODIFIED 1. SCOPE The material defined by this specification is a thermoplastic elastomer based on an EPDM rubber modified polyolefin, for use where retention of visual appearance after outdoor exposure is not required. 2.

    3、 APPLICATION This specification was released originally for a material used as steering gear gaiters. The material can withstand prolonged exposure to temperatures up to 125 C. The material will soften and creep significantly under load at temperatures exceeding 165 C. 3. REQUIREMENTS Material speci

    4、fication requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDED TEST SPECIMEN 3.4.1 Preparati

    5、on of Test Specimens Unless otherwise specified, all test 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 diameter pin gate. No anne

    6、aling allowed, unless specified otherwise. 3.4.2 Density 0.90 - 0.98 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.4.3 Hardness, International, min 93 (ISO 1400/ASTM D 1415) 3.4.4 Hardness, Durometer D 38 - 48 (ISO 868/ASTM D 2240, instantaneous, plied-up specimen. Hand held durometers shall not

    7、 be used) 3.4.5 Tensile Strength, min 12.5 MPa (ISO R 527, type 2/ASTM D 412, Die C, 500 mm/min test speed. Measured Parallel to Flow) ENGINEERING MATERIAL SPECIFICATIONWSD-M2D441-APrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 4 3.4.6 Elongation at Break, mi

    8、n 400% (Test acc. to para 3.4.5) 3.4.7 Modulus at 100% Elongation, min 11.0 MPa (Test acc. to para 3.4.5) 3.4.8 Tear Strength, min 55 kN/m (ISO 34, Method B, Procedure A/ ASTM D 624, Die C) 3.4.9 Compression Set, max (ISO 815, Large Type-plied specimen/ ASTM D 395, Method B, Type 1 plied specimen) 2

    9、2 h at 70 +/- 2 C 62% 70 h at 100 +/- 2 C 75% 3.4.10 Brittleness Point, max -50 C (ISO 812, Type B specimen/ ASTM D 2137, Method A) 3.4.11 Ozone Resistance, max Rating 0 (FLTM BP 101-01, Procedure A, tensile specimen, at 20% elongation) 3.5 HEAT AGING (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1

    10、000 h at 125 +/- 2 C) 3.5.1 Hardness Change, max +/- 6 3.5.2 Tensile Strength Change, max -15% 3.5.3 Elongation Change, max -50% 3.6 IMMERSION IN OIL NO. 1 (ISO 1817/ASTM D 471, 1000 h at 100 +/- 2 C) 3.6.1 Hardness Change, max -15 3.6.2 Tensile Strength Change, max -20% 3.6.3 Elongation Change, max

    11、 -50% 3.7 IMMERSION IN APPROVED GREASE/OIL OF AFFECTED MODEL YEAR (see para 5.4) (FLTM BP 117-01, 1000 h at 100 +/- 2 C) 3.7.1 Hardness Change, max +/- 12 3.7.2 Tensile Strength Change, max +/- 20% 3.7.3 Elongation Change, max +/- 50% ENGINEERING MATERIAL SPECIFICATIONWSD-M2D441-APrinted copies are

    12、uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 3 of 4 3.8 IMMERSION IN BRAKE FLUID OF AFFECTED MODEL YEAR (see para 5.4) (ISO 1817/ASTM D 471, 70 h at 125 +/- 3 C) 3.8.1 Hardness Change, max +15 3.8.2 Tensile Strength Change, max +35% 3.8.3 Elongation Change, max -50% 3.8.4 Volume C

    13、hange, max -30% 3.9 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.5 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements o

    14、f this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.5-4/C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, 150 x 100 x 2.0 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C, mm/mm . Length 0.021 . Width 0.022 5.2.2 Post Shrinkage (Separate specimens req

    15、uired for each test) After 48 h at 110 +/- 2 C, mm/mm . Length 0.008 . Width 0.006 ENGINEERING MATERIAL SPECIFICATIONWSD-M2D441-APrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4 5.3 HARDNESS, DUROMETER A 36 - 46 (ISO 868/ASTM D 2240, 5 second delay, plied-up

    16、specimen) 5.4 For information on currently approved greases and other materials required for use in this specification contact: Materials Technology Centre, GB 15/GM Fluids Material Section Product Development Europe Coolants/Greases Dunton Technical Centre Engine Engineering Laindon Basildon Ford Motor Co. Essex SS15 6EE PO Box 2053 England 21500 Oakwood Blvd. Dearborn, MI 48121, USA Materials Engineering Product Engineering Office Ford Motor Co. of Australia Ltd Princes Highway, Norlane Victoria 3214, Australia 5.5 RECYCLING CODE TEO


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