1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 08 13 N-STATUS No replacement named L. Soreide, NA 2005 01 13 Revised Inserted 3.0; Deleted 3.1, 3.4 & 4 1963 12 27 Released ESA-M4D166-A AS2-422 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 2 PO
2、LYPROPYLENE, TALC FILLED ESA-M4D166-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a talc filled polypropylene molding compound. 2. APPLICATION This specification was released originally for material used for exterior and interior parts requiring high impact r
3、esistance and ability to maintain dimensional stability through a temperature range of -29 to 135 C. 3. REQUIREMENTS 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).
4、3.2 MOLDED TEST SPECIMEN 3.2.1 Flow Rate, max 7 g/10 min (ASTM D 1238, Condition “L“) 3.2.2 Hardness - Durometer “D“ 65 - 75 (ASTM D 2240, 15 s delay) 3.2.3 Impact Strength, Izod, min 4.0 ft lb/in (214 J/m) (ASTM D 256, 23 +/- 2 C, unnotched) 3.2.4 Tensile Strength at Yield, min 4200 psi (29 MPa) (A
5、STM D 638, Speed “C“) Elongation at Yield, min 2.0% 3.2.5 Density 1.15 - 1.30 g/cm3(ASTM D 792) 3.2.6 Deflection Temperature, min 127 C (ASTM D 648, 66 psi (455 kPa) 3.2.7 Flexural Modulus of Elasticity, min 425,000 psi (2.93 GPa) (ASTM D 790) 3.2.8 Stiffness in Flexure, min 3.03 x 105psi (2.1 GPa)
6、ASTM D 747) ENGINEERING MATERIAL SPECIFICATIONESA-M4D166-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 2 3.2.9 Water Absorption, max 0.05% (ASTM D 570, 24 h) 3.2.10 Filler, Talc, by Weight 35 - 45% (FLTM BO 006-02) 3.2.11 ESA-M4D166-A FLAMMABILITY, max 4
7、in (101 mm)/min (FLTM BN 024-02, without the lot sampling, plan) In addition, the test specimen shall not exhibit any flashing or sudden flaming on either surface in excess of the above maximum value. 3.3 MOLDED PARTS The following requirements will be used as acceptance criteria for molded parts. T
8、he tests indicated will be conducted by Ford Motor Company at its option. 3.3.1 Color As specified on engineering drawings 3.3.2 Flow Rate, max 7 g/10 min (ASTM D 1238, Condition “L“) 3.3.3 Hardness - Durometer “D“ 65 - 75 (ASTM D 2240, 15 s delay) 3.3.4 Density 1.15 - 1.30 g/cm3(ASTM D 792) 3.3.5 V
9、icat Softening Point, min 138 C (ASTM D 1525) 3.3.6 Water Absorption, max 0.05% (ASTM D 570, 24 h) 3.3.7 Filler, Talc, by Weight 35 - 45% 3.3.8 Heat Resistance No evidence of (30 min at 135 +/- 3 C) dimensional change 3.3.9 Low Temperature Flexibility at -29 C No evidence of (Condition part 16 h at
10、29 C failure and test at -29 C) Test Method: Mount the molded part as typically assembled in horizontal position. Drop a 1-7/8 in (48 mm) diameter steel ball (16 oz (454 g) min weight) from a height of 1 ft (305 mm) onto the test piece. 3.3.10 Exterior Weathering No cracking, crazing, or (FLTM BO 101-01, 500 h exposure) serious discoloration 3.3.11 Mold Shrinkage, max 0.015 in/in (mm/mm) (ASTM D 955)
