1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions REV 02 2011 03 17 N Status No Replacement Named A. Pan, APA 2005 10 19 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1989 08 01 Released SM/ER 1042 TC P.A. Thomas Printed copies are uncontrolled Copyright 2011, Ford Global Technol
2、ogies, LLC Page 1 of 4 POLYPROPYLENE (PP), 10% MINERAL FILLED WSD-M4D651-A MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a mineral (talc) filled molding compound based on polypropylene homopolymer. 2. APPLICATION This specification was released
3、 originally for material used for an air cleaner assembly on VE6 Transit. 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). 3.4 MOLDING COMPOUND 3.4.1
4、Melt Flow Rate 11 - 17 g/ (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 10 minutes 3.4.2 Mineral Content 9 - 12% (ISO 3451/1, Method A, talc filler, 30 min at 550 +/- 50 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection mo
5、lded one-end gated test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared acco
6、rding to ISO 294. No annealing allowed. 3.5.2 Density 0.96 1.00 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 28 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) ENGINEERING MATERIAL SPECIFICATION WSD-M4D651-A Printed
7、copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 2 of 4 3.5.4 Flexural Modulus, min 2.2 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4,0 +/- 0,2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 800 - 1335 MPa (ASTM D 4065, forced constant amplitude
8、, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A.) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +160 C temperature range, at 5 C minimum intervals. The plotted curve must be within
9、 tolerance range shown on page 4. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 2.2 kJ/m 3.5.6.2 At -40 +/- 2 C 1.4 kJ/m The test specimens must be conditioned for minimum of 6 h at the
10、 above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.7.1 At 1.82 MPa 60 C 3.5.7.
11、2 At 0.45 MPa 110 C 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.5.8.2 Impact Stre
12、ngth, Izod Change, max -15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 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. ENGINEERING MATERIAL SPECIFICATION WSD-
13、M4D651-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 8 14-5/ C
14、(ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 1.3 1.5% 5.3 ELONGATION AT BREAK 10% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 70 (ISO 868/ASTM D 2240, 15 s dwell) ENGINEERING MATERIAL SPECIFICATION WSD-M4D651-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4
