1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 07 N-STATUS No replacement named J. Crist, NA 2006 08 10 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10, 4 1993 11 02 Released EP00E10258829000 L. Rodigas Printed copies are uncontrolled Copyright 2010, Ford Global Technologies
2、 LLC Page 1 of 5 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) 24% WSK-M4D550-A5 MINERAL FILLED HIGH IMPACT MOLDING COMPOUND, PAINTABLE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high impact, rigid thermoplastic polyolefin elastomer (TEO) injection molding com
3、pound, 24% mineral (talc) filled. This material requires painting to achieve higher surface requirements. 2. APPLICATION This specification was released originally for material used for painted instrument panels on Escort and Fiesta. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS
4、 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 symbol (s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Ra
5、te 3 - 8 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Filler Content 20 - 28% (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 injection mol
6、ded 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 accor
7、ding to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A5 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.03 - 1.13 g/cm3(ISO 1183, Method A) 3.5.3 Hardness, Durometer D 52 - 65 (ISO 868, 15 s dwell) (s) 3.5.4 Ten
8、sile Strength at Yield, min 12 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.5 Flexural Modulus, min 1.6 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.6 Shear Modulus at 23 C 0.58 - 1.0 GPa (ASTM D 4065, force
9、d constant amplitude, 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. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Tempera
10、ture 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 5. (s) 3.5.7 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.7.1 At 23 +/- 2 C 15 kJ/m2
11、3.5.7.2 At -40 +/- 1 C 2.5 kJ/m23.5.7.3 At 10 +/- 2 C 6.0 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. (s) 3.5.8 Heat Deflection Temperature, min (ISO 75, 120 x 10 x
12、4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.5.8.1 At 1.80 MPa 46 C 3.5.8.2 At 0.45 MPa 90 C 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1
13、Tensile Strength at Yield Change +/- 25% (Test Method per para 3.5.4) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A5 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.9.2 Impact Strength, Izod Change, max -15% (Test Method per para 3.5.7.1, specimens to b
14、e notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 90 Formation of clear film or droplets 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
15、 surface. 3.8 PAINTABILITY Painted substrate must comply with all requirements of paint performance WSK-M2P167-A. 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 EXPAN
16、SION 5 8-5/ C (ASTM E 228 or TMA, temperature range -30 to +100 C) 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 0.8 - 1.2% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h a
17、t 80 C 0.1 - 0.2% . After 30 min at 120 C 0.1 - 0.3% 5.3 USE OF REGRIND MATERIAL (Property values of regrind material shall be compared with original virgin material.) Regrind: Compound of 20 weight % regrind based on single reprocessed material, free of contaminations and 80 weight % virgin materia
18、l.) 5.3.1 Melt Flow Rate Change, max +30% (Test method per para 3.4.1) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A5 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.3.2 Tensile Strength at Yield Change +/- 10% Test method per para 3.5.4) 5.3.3 Flexural M
19、odulus Change +/- 10% (Test method per para 3.5.5) 5.3.4 Impact Strength, Izod Change, max -10% (Test method per para 3.5.7.1) 5.3.5 Heat Deflection Temperature Change +/- 10% (Test method per para 3.5.8.1) 5.4 RECYCLING CODE PP+EPDM-TD24 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A5 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
