1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2011 03 01 No replacement named A. Pan, APA N Status 2002 11 11 Activated M. Masserant Printed copies are uncontrolled Page 1 of 4 Copyright 2011, Ford Global Technologies, Inc. POLYPROPYLENE (PP) COPOLYMER,
2、 13 % TALC WSS-M4D841-A6 REINFORCED BLOW MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a talc-filled blow molding compound based on polypropylene copolymer. 2. APPLICATION This specification was originally released for material used for blow mo
3、lded flipper panels and seat backs. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbo
4、l (s), shall be met with data representing 3 sigma values unless otherwise specified. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 0.2 - 0.8 g/10 minutes (ISO 1133, 230, 2.16 kg) (s) 3.2.2 Filler Content 10 - 16 % (ISO 3451/1, Method A, 1 h at 750 +/- 25 C) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparatio
5、n 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: ENGINEERING MATERIAL SPECIFICATION WSS-M4D841-A6 Page 2 of 4 Copyright 2011, Ford Global Technologies, Inc. A. 150 min x 10 x 4.0 +/-
6、 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 according to ISO 294. No annealing allowed. 3.3.2 Density 0.96 - 1.04 g/cm3(ISO 1183, Method A) (s) 3.3
7、3 Tensile Strength at Max Load, min 28 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.3.4 Flexural Modulus, min 1.75 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) (s) 3.3.5 Impact Strength, Izod, min (ISO 180/1A, 8
8、0 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.3.5.1 At 23 +/- 2 C 15.0 kJ/m23.3.5.2 At - 40 +/- 2 C 1.5 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box.
9、 (s) 3.3.6 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.3.6.1 At 1.80 MPa 56 C 3.3.6.2 At 0.45 MPa 100 C ENGINEERING MATERIAL SPECIFICATION WSS-M4D841-A6 Page 3 of 4 Copyright 2011, Ford Global Technologies, Inc. 3.3.7 Heat Ag
10、ing Performance (ISO 188, except 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) 3.3.7.1 Tensile Strength at Max Load Change +/- 25 % (Test Method per para 3.3.3) 3.3.7.2 Impact Strength, Izod - 25 % Change
11、 max (Test Method per para 3.3.5.1, specimens to be notched before heat aging) 3.4 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C c
12、ooling plate, post test conditioning 1 h and 16 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIE
13、NT OF LINEAR THERMAL EXPANSION 5.6E-05/ C (ASTM E 831 TMA, temperature range - 30 to + 30 C) with flow ENGINEERING MATERIAL SPECIFICATION WSS-M4D841-A6 Page 4 of 4 Copyright 2011, Ford Global Technologies, Inc. 4.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 0.015 mm/mm 4.3 ELONGATION AT BREAK, min 25% (Test method according to para. 3.3.3) 4.4 HARDNESS, DUROMETER D 65 (ISO 868, 15 s dwell) 4.5 RECYCLING CODE PP-TD13
