1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 11 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 Corrected numbering 3.5.7 1995 01 15 Released NB00I10043054420 T.A. Honey Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 5 THERMOPLASTIC
2、POLYOLEFIN ELASTOMER (TEO) WSB-M4D713-A3 POST INDUSTRIAL REPROCESSED, MINERAL FILLED MOLDING COMPOUND, EXTERIOR 1. SCOPE The material defined by this specification is a reprocessed, post industrial TEO, mineral filled, rigid thermoplastic polyolefin elastomer injection molding compound. This materia
3、l is UV stabilized and color pigmented. 2. APPLICATION This specification was released originally for material used for exterior air dam applications. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requir
4、ements 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 Rate 7 - 11 g/10 minutes (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) (s) 3.4.2 Filler Cont
5、ent 5 - 9% (ISO 3451/1, Method A, talc filler, 3 h at 650 +/- 25 C, test portion 1 to 2 g) 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 test specimens. The following dimensions are required: A
6、. 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. ENGINEERING MATERIAL SPECIFICATIONW
7、SB-M4D713-A3Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 0.90 - 0.94 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 16 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.4 Flexural M
8、odulus, min 645 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 280 - 460 MPa (ASTM D 4065, forced 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
9、center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) 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 ra
10、nge shown on page 5. (s) 3.5.6 Impact Strength, Izod, min (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 17 kJ/m23.5.6.2 At -40 +/- 2 C 3 kJ/m23.5.6.3 At 0 +/- 2 C 16 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specif
11、ied temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 46 C 3.5.7.2 At 0.45 MPa 60 C ENGINEERING MATERIAL SPECI
12、FICATIONWSB-M4D713-A3Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 5 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3
13、.5.8.1 Tensile Strength at Yield Change +/- 15% (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 before heat aging) 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 51 mm/minute The specimen size required for material
14、 approval is 355 x 100 x 1.25 +/- 0.1 mm with a smooth surface. 3.7 WEATHERING RESISTANCE After exposure in accordance with 3.7.1, 3.7.2, and 3.7.3, the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall b
15、e no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing and/or polishing with Ford car polish (auto wax) after the outdoor exposure, at permission of the affected Product Development Materials Acti
16、vity. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.7.1 Xenon Arc Weatherometer Rating 4-5 (SAE J1960, 2500 kJ/m2exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in
17、smooth polished mold) 3.7.2 12 months Florida Rating 4-5 12 months Arizona (NAAO only) (SAE J1976, 5 south, direct weathering inland, specimen size: 150 X 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D713-A3Printed copies are uncontro
18、lled Copyright 2005, Ford Global Technologies, LLC Page 4 of 5 3.7.3 24 months Florida Rating 3-4 24 months Arizona (NAAO only) (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 5. GENERAL INFORMATION The inform
19、ation given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 9.3-5/ C (ASTM E 831 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 molde
20、d specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.96% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 1.12% . After 30 min at 120 C 1.22% 5.3 RECYCLING CODE PP+EDPM ENGINEERING MATERIAL SPECIFICATIONWSB-M4D713-A3Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 5 of 5
