1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2011 02 25 No replacement named A Pan, APA N-Status 2006 04 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1999 07 06 Activated J. Crist Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 1 of 3 P
2、OLYPROPYLENE (PP) COPOLYMER, 11 - 17% MINERAL WSS-M4D841-A5 FILLED, HIGH MELT FLOW MOLDING COMPOUND, 25% MINIMUM PCR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high melt flow poly-propylene (PP) copolymer injection molding compound, 11 - 17% mineral (talc)
3、 filled, containing a minimum of 25% recycled content of polypropylene homopolymer obtained from post consumer recyclate. 2. APPLICATION This specification was released originally for the substrate material used for vinyl skinned door trim panels. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUC
4、TION MATERIALS Material suppliers and part producers must conform to the Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flo
5、w Rate 61 - 81 g/ (ISO 1133, 230 C, 2.16 kg) 10 minutes (s) 3.4.2 Filler Content 11 - 17% (ISO 3451/1, Method A, talc filler, 1 h at 850 +/- 50 C, test portion 2 to 2.5 g) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on inject
6、ion molded 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 prepare
7、d according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D841-A5 Copyright 2011, Ford Global Technologies, LLC Page 2 of 3 Printed copies are uncontrolled (s) 3.5.6 Impact Strength, Izod, min 3.5.2 Density 0.96 - 1.02 g/cm3(ISO 1183, Method A) 3.5.3 Hardness, Durometer D
8、 56 - 68 (ISO 868, 15 s dwell) (s) 3.5.4 Tensile Strength at Max Load, min 18.5 MPa (ISO R 527, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute test speed) 3.5.4.1 Elongation at Break, min 3.3% (Test Method according to para 3.5.4)(s) 3.5.5 Flexural Modulus, min 1.5 GPa (ISO 178, 80 x 10 x 4.0
9、+/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm support span) (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 2.3 kJ/m23.5.6.2 At -40 +/- 1 C 1.4 kJ/m2The test specimens must be conditioned for min of 6 h at the above specified temperature prior t
10、o impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 80 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection, flatwise) 3.5.7.1 At 1.80 MPa 48 C 3.5.7.2 At 0.45 MPa 98 C 3.5.8 Heat Aging Performance (ISO 188, except 150
11、+/- 50 air changes/h, 1000 h at 130 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Max Load +/- 5% Change, max (Test Method per para 3.5.4) 3.5.8.2 Impact Strength, Izod Change, -20% max (Test Method per para 3.5.7.1,
12、 specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D841-A5 Copyright 2011, Ford Global Technologies, LLC Page 3 of 3 Printed copies are uncontrolled 3.6 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min
13、 80 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) 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. 3.8 ODOR, max 2.5 Rating (SAE J1351) 5. GENERAL INFORMATION The inf
14、ormation given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 6.6 - 7.8 -5/ C (ISO 11359-2 (TMA), temperature range -30 to +30 C) 5.2 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.8 - 1.1% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1 - 0.2% . After 30 minutes at 120 C 0.2 - 0.3% 5.3 RECYCLING CODE PP+TD14
