1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 08 N-STATUS No replacement named J. Crist, NA 2005 07 22 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8 & 4 1987 05 21 Released RD885700-131 C.Carter Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page
2、1 of 3 POLYPROPYLENE (PP) INJECTION MOLDING COMPOUND, ESH-M4D560-A 36% GLASS FIBER AND MICA FILLED NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a mica and glass filled injection molding, virgin polypropylene molding compound. 2. APPLICATION This specification
3、was released originally for material used for heater and air conditioning control brackets for Econoline and F-Series. 3. REQUIREMENTS 3.0 STANDARD REQUIRMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (
4、WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 3 - 6 g/10 min (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 3.4.2 Filler Content, by weight 34 - 38% (ISO 3451/1, Method A, 2 h at 550 C) Ti02, max 6% Glass Fiber, max 22% 3.4.3 Melting Point, min 160 C (ISO 1218, Method B/ASTM D 789) 3.5 MOLDED T
5、EST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 x 10 x 4.0 +/- 0.1 mm (ISO 3167 Tensile Bar) B. 120 x 10 x 4.0 +/- 0.1 mm Specimens with shorter
6、dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONESH-M4D560-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 3 3.5.2
7、Density 1.19 - 1.21 g/cm3(ISO R 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 51 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.1 mm specimen, 5 mm/mm test speed) 3.5.4 Flexural Modulus, min 4.4 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.1
8、mm specimen, 64 mm support span) 3.5.5 Flexural Strength, min 80 MPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.1 mm specimen, 64 support span) 3.5.6 Impact Strength, Izod, min 43 J/m (ISO 180 Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.1 mm specimen, 10 specimens mini
9、mum) 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.1 mm specimen) 3.5.7.1 At 1.82 Mpa 132 C 3.5.7.2 At 0.45 Mpa 150 C 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 1000 h at 150 +/- 2 C) 3.5.8.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.5.8.
10、2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.6, specimens to be notched before heat aging) 3.5.9 Impact Strength, Falling Dart At 23 +/- 2 C 90% pass At -40 +/- 2 Test Method: An impact tester (Gardner Model IG-1120 or equivalent) equipped so that the impact head (13 mm diameter)
11、 and the base (51 mm diameter) conform to FLTM BO 117-02. A 1.8144 kg weight will be used unless otherwise specified. Test specimens (100 x 100 x 3.2 +/- 0.2 mm) will be conditioned at the specified temperature for 24 h min. Low temperature specimens will be impacted within 5 s after removal from th
12、e cold chamber. Any specimen that exhibits no fracture or a punch through ductile tear within the 13 mm impact area will be defined as a pass. Any specimen that exhibits a brittle or shatter type crack beyond the 13 mm impact area will be defined as a failure. A minimum of 10 specimens must be impac
13、ted. ENGINEERING MATERIAL SPECIFICATIONESH-M4D560-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/min The specimen size required for material approval is 355 x 100 x 2.5 +/- 0.1 mm with a smooth surface. 5.
14、 GENERAL INFORMATION The information given below is provided for assistance and clarification in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION TBD - -5/C (ASTM D 696) 5.2 MOLD SHRINKAGE 0.005 - 0.007 (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.3 ELONGATION AT BREAK, min 2% (Test Method per para 3.5.3) 5.4 MICA AVERAGE PARTICLE SIZE TBD - Microns The filler shall be phlogopite mica and its X-ray diffraction pattern shall match the powder method pattern on file at the appropriate Materials Engineering office.
