1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2011 02 25 No replacement named A Pan, APA N-Status 2003 04 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1992 07 09 Released NB00I10043054192 L.A. Graham Printed copies are uncontrolled Copyright 2011, Ford Global Technologies,
2、 LLC Page 1 of 4 POLYPROPYLENE (PP) COPOLYMER, 16% MINERAL WSB-M4D841-A2 FILLED, MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a molding compound based on polypropylene copolymer, 14 - 18% mineral (talc) filled. 2. APPLICATION This specificatio
3、n was released originally as the substrate for the vinyl skinned door trim panel. 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 COMPOUN
4、D 3.4.1 Melt Flow Rate 28 - 38 g/ (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 3.4.2 Mineral Content 14 - 18% (ISO 3451/1, Method A, 650 +/- 25 C, talc) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated
5、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 according to ISO 294. N
6、o annealing allowed. 3.5.2 Density 1.00 - 1.04 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 23.0 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A2 Copyright 2011, Ford Global Techno
7、logies, LLC Page 2 of 4 Printed copies are uncontrolled Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.4 Flexural Modulus, min 1.9 GPa (ISO 178/A
8、STM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.5 Shear Modulus at 23 C 820 - 1240 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz
9、 +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum). 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0
10、/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.1 kJ/m 3.5.6.2 At -40 +/- 2 C 2.5 kJ/m The 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, if not possibl
11、e, 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, at standard deflection of 0.32 +/- 0.01 mm) 3.5.7.1 At 1.80 MPa 63 C 3.5.7.2 At 0.45 MPa 127 C 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50
12、 air changes/h, 1000 h at 150 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched
13、 before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A2 Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 Printed copies are uncontrolled 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a
14、 smooth surface. 3.7 FOGGING (FLTM BO 116-03) Fog Number, min 80 Formation of excessive amounts of clear film or droplets is cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COE
15、FFICIENT OF LINEAR THERMAL EXPANSION 8.0-5/ C (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 1.1% 5.3 ELONGATION AT BREAK 20% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 93 (ISO 868/ASTM D 2240, 15 s dwell) 5.5 RECYCLING CODE SAE or PP-TD16 PP-TD16 OPTIONAL ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A2 Copyright 2011, Ford Global Technologies, LLC Page 4 of 4 Printed copies are uncontrolled
