1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 12 N-STATUS Replaced WSS-M4D638-C; Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.5, 3.6 & 4 1988 08 10 Released Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 2 POLYPROPYLENE (PP) COPOLYMER, INJECTION
2、 MOLDING ESA-M4D472-A COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a polypropylene copolymer with excellent impact resistance and outstanding toughness. 2. APPLICATION This specification was released originally for material used for underhood fluid re
3、servoir bottles. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDED SPECIMENS 3.4.1 Preparation of Test Specimens Unless otherwise specified all tests
4、 shall be carried out on injection molded one-end gated test specimens. 3.4.2 Color Natural, unless otherwise specified on engineering drawing. 3.4.3 Density, min 0.890 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.4.4 Tensile Strength, min 17 MPa (ISO R 527/ASTM D 638, 150 min x 12.7 x 3.2 +/-
5、 0.2 mm specimen, 50 mm/min test speed) 3.4.4.1 Elongation at Yield, min 8.5% 3.4.4.2 Elongation at Break, min 200% 3.4.5 Flexural Modulus, min 740 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 130 x 12.7 x 3.2 +/- 0.2 mm specimen, 50 mm support span, 1 mm/min test speed) 3.4.6 Impact Strength, Iz
6、od, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 12.7 x 3.2 +/- 0.2 mm specimen, 10 specimens for each test) ENGINEERING MATERIAL SPECIFICATION ESA-M4D472-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 2 3.4.6.1 At 23 +/- 2 C 480 J/m 3.4.6.2 At 0 +/- 2 C 335 J/m 3.4.6.3 At -20 +/- 2 C 65 J/m 3.4.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 130 x 12.7 x 3.2 +/- 0.2 mm specimen) 3.4.7.1 At 0.45 MPa 82 C 3.4.7.2 At 1.82 MPa 40 C
