1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 07 N-STATUS No replacement named J. Crist, NA 2006 11 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10, 4; Added missing info 5.3.6.2 1993 09 01 Released EP00E10258825000 L. Rodigas Printed copies are uncontrolled Copyright 20
2、10, Ford Global Technologies, LLC Page 1 of 5 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) 24% WSK-M4D550-A4 MINERAL FILLED, HIGH IMPACT MOLDING COMPOUND, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a high impact, rigid thermoplastic polyolefin elastomer
3、 (TEO) injection molding compound, 24% mineral (talc) filled and color pigmented for interior use. 2. APPLICATION This specification was released originally for material used for parts of instrument panel on Mondeo. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supplier
4、s 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 Rate 2 - 5.0 g/10 mi
5、nutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Filler Content 22 - 26% (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 molded one-end gate
6、d 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.
7、 No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A4 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 1.05 - 1.11 g/cm3(ISO 1183, Method A) 3.5.3 Hardness, Durometer D 53 - 63 (ISO 868, 15 s dwell) (s) 3.5.4 Tensile Strength at
8、 Yield, min 16 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 1.7 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 550 - 1030 MPa (ASTM D 4065, forced constant ampli
9、tude, 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 Temperature curve shall
10、 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 29 kJ/m23.5.7.2 At - 40
11、/- 1 C 3.0 kJ/m23.5.7.3 At 0 +/- 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 4.0 +/- 0.2 mm s
12、pecimen, 0.32 +/- 0.01 mm deflection) 3.5.8.1 At 1.80 MPa 49 C 3.5.8.2 At 0.45 MPa 93 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 Tensile Strength
13、at Yield Change +/- 25% (Test Method per para 3.5.4) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A4 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 be notched before
14、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 surface. 3.8 WEA
15、THERING RESISTANCE After exposure in accordance with 3.8.1 and 3.8.2, 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 no cracking, crazing or other deterioration. A slight loss of gloss
16、 or chalking will be allowed provided an acceptable appearance can be achieved by washing with mild 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
17、for final approval. 3.8.1 Xenon Arc Weatherometer Rating 4-5 (SAE J1885, 1240 kJ/m2exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.8.2 12 months Florida Rating 4-5 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, minim
18、um, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 5. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5 8-5/ C (ASTM E 228 or TMA, temperature range -30 to +10
19、0 C) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A4 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 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
20、2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 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
21、reprocessed material, free of contaminations and 80 weight % virgin material) 5.3.1 Melt Flow Rate Change, max +30% (Test method per para 3.4.1) 5.3.2 Tensile Strength at Yield Change +/- 10% (Test method per para 3.5.4) 5.3.3 Flexural Modulus Change +/- 10% (Test method per para 3.5.5) 5.3.4 Impact
22、 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) 5.3.6 Weathering Resistance 5.3.6.1 Xenon Arc Weatherometer Rating 4 - 5 (Test method per para 3.8.1) 5.3.6.2 12 Months Florida Rating 4 (Test method per para 3.8.2) 5.4 RECYCLING CODE PP+EPDM-TD25 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D550-A4 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
