1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 25 N-STATUS Replaced by WSK-M4D550-A V. Cerato 2007 10 09 Activated H. Santos Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 6 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) 15% MINERAL WSS-M2D511-A F
2、ILLED, HIGH IMPACT MOLDING COMPOUND, NOT FOR NORTH AMERICA 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 compound, mineral (talc) filled. 2. APPLICATION This specification was relea
3、sed originally for material used for material used for various interior applications. 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 requi
4、rements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 3 - 20 g/10 minutes (ISO 1133, 230 C, 2.16 kg) Final approval of a specific material melt flow rate for production shipments should be made by the
5、 affected manufacturing activity. In all cases, the melt flow rate should be within process limits as identified on the material control plan. (s) 3.2.2 Filler Content 13 - 17% (ISO 3451/1, Method A, talc filler, 1 h at 850 +/- 50 C, test portion 2 to 2.5 g) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparatio
6、n of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. ENGINEERING MATERIAL SPECIFICATIONWSS-M2D511-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 6 The following dimensions are requir
7、ed: 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. No annealing allowed. 3.3.2 Density 0.89 - 1.12 g/cm
8、3(ISO 1183, Method A) The density tolerance for any one supplier should be +/- 10% based on the recorded density for their originally approved production samples. 3.3.3 Hardness, Durometer D 55 - 65 (ISO 868, 15 s dwell) (s) 3.3.4 Tensile Strength at Yield, min 19 MPa (ISO R 527, 150 min x 10 x 4.0
9、+/- 0.2 mm specimen, 5 mm/minute test speed) (s) 3.3.5 Flexural Modulus, min 1.6 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm support span) 3.3.6 Shear Modulus at 23 C 0.58 - 1.3 GPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain le
10、vel below 1%. Specimen approximately 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 min. Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +150 C temperature ra
11、nge, at 5 C min intervals. The plotted curve must be within tolerance range shown on page 6. (s) 3.3.7 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.3.7.1 At 23 +/- 2 C 20 kJ/m23.3.7.2 At -40 +/- 1 C 2.5 kJ/m23.3.7.3 At 10 +/- 2 C 6.0 kJ/m2T
12、he test specimens must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. ENGINEERING MATERIAL SPECIFICATIONWSS-M2D511-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3
13、 of 6 (s) 3.3.8 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.3.8.1 At 1.80 MPa 48 C 3.3.8.2 At 0.45 MPa 93 C 3.3.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/ h, 1000 h at 120 +/- 2 C. Unaged property values shall be
14、 determined at the time of the aged properties determination) 3.3.9.1 Tensile Strength at +/- 25% Yield Change (Test Method per para 3.5.4) 3.3.9.2 Impact Strength, Izod -15% Change, max (Test Method per para 3.5.7.1, specimens to be notched before heat aging) 3.4 FOGGING (SAE J1756, 3 h at 100 C he
15、ating, 21 C cooling plate, post test conditioning 1 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.5 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 surfac
16、e. 3.6 SPECIAL REQUIREMENTS 3.6.2 Weathering Resistance for Molded in Color After exposure in accordance with para 3.8.2.1 and 3.8.2.2, the material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be n
17、o cracking, crazing or other deterioration. ENGINEERING MATERIAL SPECIFICATIONWSS-M2D511-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 6 A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing with mi
18、ld detergents and water (ratio 5:95 by volume), or equivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.6.2.1 Xenon Arc Weatherometer Rating 4 - 5 (SAE J1885, 1240 kJ/m2exposure m
19、in, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.6.2.2 12 months Florida Rating 4 - 5 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.7 RESISTANCE TO SCRATCHING (FLTM BN 108-1
20、3, grain: Cordwain and/or equivalents, 1 mm scratch balls, instrumental evaluation of 3.0 N scratch mark) Percentage of marking, max 30% 3.8 ODOR, max Rating 2 (SAE J1351/FLTM BO 131-01) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the re
21、quirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5 - 8-5/ C (ASTM D 696) 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 - 1.2% 5.2.2 Post Shrinkage (Separate specime
22、ns required for each test) . After 48 h at 80 C 0.1 - 0.2% . After 30 minutes at 120 C 0.1 - 0.3% ENGINEERING MATERIAL SPECIFICATIONWSS-M2D511-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 6 5.3 RESISTANCE TO SCRATCHING Rating 1 at 2 N (FLTM BN 108-13, vis
23、ual evaluation, 1 mm force scratch balls, grain: Cordwain and/or equivalents) 5.4 GLOSS (FLTM BI 110-01, Glossmeter 60, 5 measurements min on grained surfaces, grain: Cordwain and/or equivalents) Gloss Level, max As specified by Design activity 5.5 USE OF REGRIND MATERIAL (Property values of regrind
24、 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 material) 5.5.1 Melt Flow Rate Change, max +30% (Test method per para 3.4.1) 5.5.2 Tensile Strength at Yield Change
25、 +/- 10% (Test method per para 3.5.4) 5.5.3 Flexural Modulus, Change +/- 10% (Test method per para 3.5.5) 5.5.4 Shear Modulus at 23 C Change +/- 10% (Test method per para 3.5.6) 5.5.5 Impact Strength, Izod Change, max -10% (Test method per para 3.5.7.1) 5.5.6 Heat Deflection Temperature Change +/- 1
26、0% (Test method per para 3.5.8.1) 5.5.7 Weathering Resistance 5.5.7.1 Xenon Arc Weatherometer Rating 4 - 5 (Test method per para 3.8.1) 5.5.7.2 12 months Florida Rating 4 - 5 (Test method per para 3.8.2) 5.5.8 Resistance to Scratching (Test method per para 3.9) Percentage of Marking, Change, max +10% 5.6 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP+EPDM-TD15 ENGINEERING MATERIAL SPECIFICATIONWSS-M2D511-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 6 of 6
