1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 12 N-STATUS ESF-M4D135-A Replaced by WSS-M4D638-B R. Lord ESF-M4D135-B Replaced by ESB-M4D308-A 2005 01 11 Revised Inserted 3.0; Deleted 3.1, 3.13 & 4 1963 06 21 Released F6-1068 Printed copies are uncontrolled Copyright 2006, Ford Gl
2、obal Technologies, LLC Page 1 of 2 POLYPROPYLENE MOLDING COMPOUND, HEAT STABILIZED ESF-M4D135-A POLYPROPYLENE EXTRUSION COMPOUND, HEAT STABILIZED ESF-M4D135-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are thermoplastic, polypropylene molding or extrusion co
3、mpounds that have a heat stabilization additive incorporated. 2. APPLICATION These specifications were released originally for materials used for a voltage regulator terminal cover, windshield washer reservoir, etc. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supplier
4、s and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 SPECIFIC GRAVITY, min 0.900 (ASTM D 792) 3.3 TENSILE STRENGTH AT MAX LOAD, min 4500 psi (31.0 MPa) (ASTM D 638, Speed “C“) Elongation at Max Load, min 8% 3.4 FLEXURAL MODULUS, min 1
5、60,000 psi (1.1 GPa) (ASTM D 790) 3.5 IMPACT STRENGTH, Izod, min 0.5 ft lb/in (27 J/m) (ASTM D 256, notched) 3.6 HARDNESS - ROCKWELL “R“, min 80 (ASTM D 785) 3.7 WATER ABSORPTION, max 0.03% (ASTM D 570, 24 h immersion) 3.8 DEFLECTION TEMPERATURE, min (ASTM D 648) At 66 psi (455 kPa) 104 C At 264 psi
6、(1820 kPa) 60 C ENGINEERING MATERIAL SPECIFICATION ESF-M4D135-A/B Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 2 3.9 STIFFNESS IN FLEXURE, min 125,000 psi (ASTM D 747) (862 MPa) 3.10 MELTING POINT, min 160 C (Polarizing Microscope Method) 3.11 FLOW RATE, g/10 min (ASTM D 1238, Condition “L“) ESF-M4D135-A ESF-M4D135-B 2 6 0.3 - 1.5 3.12 MOLDED PARTS Specific requirements for physical properties of molded parts, when required, shall be specified on the engineering drawings.
