1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 03 16 N-STATUS No replacement named K. Mueller, NA 2006 07 27 Revised Format Change Only 2003 05 14 Activated K. D. Bruley Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 1 of 4 THERMOPLASTIC POLYOLEFIN
2、ELASTOMER (TEO), WSS-M4D961-A3 COLOR PIGMENTED, UV STABILIZED, HIGH MELT FLOW, LOW CLTE, FOR MOLDED-IN-COLOR AND FULLY-PAINTED APPLICATIONS, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a filled, weatherable and paintable thermoplastic molding compoun
3、d. 2. APPLICATION This specification was released originally for material used for rocker panel moldings, wheel flare moldings and bodyside claddings. 3. REQUIREMENTS 3.1 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. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 13 - 18 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.2.2 Mineral Filler Content
5、 18 27% (ISO 2451-1, Method A, mineral filler, 3 h at 650 +/- 25 C, test portion 1 - 2 g) 3.3 MOLDED TEST SPECIMEN 3.3.1 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 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/- 0.1 mm (ISO 3795) Test specimen A shall be molded using molding conditions defined in ISO 294. Specimens with shorter dimensions shall be cut from the center of the specimen A. N
7、o annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 3.3.2 Density 1.01 1.09 g/cm (ISO 1183, Method A) (s) 3.3.3 Tensile Strength at Yield, min 16 MPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x
8、4.0 +/- 0.2 mm specimen, test speed: 50 mm/minute) (s) 3.3.4 Flexural Modulus, min 1.5 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, use center section of specimen A, 2 mm/min test speed, 64 mm support span) (s) 3.3.5 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 s
9、pecimens for each test) 3.3.5.1 At 23 +/- 2 C 28 kJ/m23.3.5.2 At -40 +/- 1 C 3 kJ/m23.3.5.3 At 0 +/- 2 C 17 kJm2 The test specimens must be conditioned for a minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not
10、possible, test may be conducted outside, but within 5 seconds. (s) 3.3.6 Heat Deflection Temperature, min 50 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) 3.3.7 Heat Aging Performance (ISO 188, except 15
11、0 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.3.7.1 Tensile Strength at Yield Change +/- 10% (Test Method per para 3.3.3) 3.3.7.2 Impact Strength, Izod Change +/- 10% (Test Method per para 3.5.5.1, specim
12、ens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.4 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0
13、+/- 0.1 mm with a smooth surface. 3.5 WEATHERING RESISTANCE After exposure in accordance with 3.5.1, 3.5.2, and 3.5.3, 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 be no cracking, crazing or othe
14、r 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 Activity. All initial approvals wi
15、ll be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.5.1 Xenon Arc Weatherometer Rating 4 - 5 with at least (SAE J1960, 0.55 W/m2Irradiance, 75% gloss retention specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface,
16、high gloss injection molded specimen) 3.5.2 Exposure Time, minimum 3000 h required Type “S“ Borosilicate Inner and Outer Filters 3.5.3 12 months Florida Rating 4 - 5 12 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface,
17、 low gloss injection molded specimen) 3.5.4 24 months Florida Rating 4 24 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen) 4. GENERAL INFORMATION The information given below is pro
18、vided for clarification and assistance in meeting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 7.9-5/C (ASTM E 831 TMA, tem
19、perature range -30 to 100 C) 4.2 MOLD SHRINKAGE (ISO/DIS 294-3, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.50 0.88% 4.2.2 Post Shrinkage (Separate specimens required for each test) . After 30 minutes at 120 C 0.63 1.09% 4.3 HEAT DEFLECTIO
20、N TEMPERATURE, MIN 83 C (ISO 75-1 120 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa) 4.4 SHEAR MODULUS AT 23 C 428 - 712 (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen appr
21、ox. 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 be plotted for -50 to +150 C temperature range, at 5 C minimum intervals
22、. The plotted curve must be within tolerance range granted on the original material approval and it shall constitute the reference standard for materials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. 4.5 RECYCLING CODE TEO-M23
