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    FORD ESF-M4D255-A-2011 ABS MOLDING COMPOUND - HIGH IMPACT TO BE USED WITH FORD WSS-M99P1111-A 《耐冲击力丙烯腈模塑材料 与福特WSS-M99P1111-A 一起使用[使用 福特WSS-M4D827-B1]》.pdf

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    FORD ESF-M4D255-A-2011 ABS MOLDING COMPOUND - HIGH IMPACT TO BE USED WITH FORD WSS-M99P1111-A 《耐冲击力丙烯腈模塑材料 与福特WSS-M99P1111-A 一起使用[使用 福特WSS-M4D827-B1]》.pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 06 23 N Status Replaced by WSS-M4D827-B1 A. Pan, APA 2005 01 14 Revised Inserted 3.0; Deleted 3.8.2, 3.9 & 4 1967 03 07 Released (was XF-M4DX69) F6-3037 Printed copies are uncontrolled Copyright 2011 Ford Global Technologies, LLC

    2、Page 1 of 2 ABS MOLDING COMPOUND - HIGH IMPACT ESF-M4D255-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an improved impact strength acrylonitrile butadiene styrene (ABS) terpolymer compound. 2. APPLICATION This specification was released originally for materi

    3、al used for instrument cluster housings. 3. REQUIREMENTS (All ASTM specimens to be injection molded) 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). 3.1 SPECIFIC GRA

    4、VITY, Natural 1.01 - 1.16 (ASTM D 792) 3.2 TENSILE YIELD STRENGTH, As received, min 4,200 psi (29 MPa) (ASTM D 638) Elongation at Yield, min 3.0% 3.3 FLEXURAL YIELD STRENGTH, min 7,000 psi (48.3 MPa) (ASTM D 790) 3.4 FLEXURAL MODULUS, min 230,000 psi (1.6 GPa) (ASTM D 790) 3.5 IMPACT STRENGTH, Izod,

    5、 as received, min (ASTM D 256, 1/8 x 1/2 x 5 in (3.2 x 12.7 x 127 mm) bar 0.010 in (0.25 mm) notch) Natural 6.0 ft lb/in (321 J/m) Pigmented 5.5 ft lb/in (294 J/m) 3.6 DEFLECTION TEMPERATURE, min (ASTM D 648, 1/2 x 1/2 x 5 in (12.7 x 12.7 x 127 mm) bar) 3.6.1 As Received At 66 psi (455 kPa) 91 C At

    6、264 psi (1820 kPa) 82 C ENGINEERING MATERIAL SPECIFICATION ESF-M4D255-A Printed copies are uncontrolled Copyright 2011 Ford Global Technologies, LLC Page 2 of 2 3.6.2 Conditioned, 2 h at 85 +/- 1 C At 66 psi (455 kPa) 96 C At 264 psi (1820 kPa) 93 C 3.7 HARDNESS - ROCKWELL “R“, min 80 (ASTM D 785) 3

    7、.8 MOLDED PARTS 3.8.1 Heat Resistance Finished parts must pass the following test: Test Method: Condition the parts for 3 h in a mechanical convection oven maintained at 82 +/- 3 C (or as otherwise specified on engineering drawing). After removal, parts shall show no more than 0.5% shrinkage. There

    8、shall be no local shrinkage where the part has been gated which will interfere with assembly to mating parts or affect its appearance. The part shall not warp to an extent that would affect its use in ultimate assembly as specified on the engineering drawing. 3.8.3 Physical Properties Specific requi

    9、rements for physical properties of molded parts, when required, shall be specified on engineering drawings. 3.8.4 Resistance to Fade (FLTM BO 101-01) The material shall fade no more than the master sample approved for production on file in the Quality Control or Test Laboratory after 120 SFH. 3.8.5

    10、Chemical Resistance Weight change, max (ASTM D 543, Immersion in n-heptane (90 110 C) boiling range for 40 h) 5. GENERAL INFORMATION (Typical Average Data) The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 TENSILE MODULUS 220,000 psi (1.5 GPa) (ASTM D 638) 5.2 COEFFICIENT OF LINEAR THERMAL EXPANSION 4.0 x 10-5/ F (ASTM D 696) (7.2 x 10-5/ C) 5.3 MAXIMUM RECOMMENDED TEMPERATURE 85 C FOR CONTINUOUS USE 5.4 MOLD SHRINKAGE 0.002 - 0.005 in (mm/mm)


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