1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 10 20 N-STATUS Replaced by WSS-M4D713-A6 or A8 2005 12 08 Revised Inserted 3.1; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1998 06 24 Activated T.A. Honey Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 5
2、 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO), WSS-M4D713-A5 9% GLASS FILLED, COLOR PIGMENTED, UV STABILIZED, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass filled, high impact rigid thermoplastic polyolefin elastomer (TPO) injection molding compoun
3、d. This material is UV stabilized and color pigmented for exterior use. 2. APPLICATION This specification was released originally for material used for exterior light truck box rail moldings. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part produces must
4、 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 9 - 14 g/ (ISO 1133, 230 C, 2.16 kg) 10 m
5、inutes (s) 3.4.2 Filler Content 8 - 12% (ISO 3451-1, Method A, talc filler, 3 h at 565 C +/- 25 C, test portion 4 - 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 gated test specimens. The follow
6、ing dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 150 x 100 x 4.0 +/- 0.2 mm (ISO/DIS 294-3) 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. No anneal
7、ing allowed. ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A5 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.5.2 Density 0.96 1.00 (ISO 1183, Method A) g/cm3 3.5.3 Hardness, Durometer D 48 - 57 (ISO 868, 15 s dwell) (s) 3.5.4 Tensile Strength at Yield, mi
8、n 16 MPa (ISO 527-1 and ISO 527-2, 150 min x 10 x 4.0 +/- 0.2 mm specimen, test speed: 50 mm/minute) (s) 3.5.4.1 Elongation at Yield, min 7% (Test Method according to para 3.5.4) (s) 3.5.5 Flexural Modulus, min 900 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm suppor
9、t span) 3.5.6 Shear Modulus at 23 C 290 - 490 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level 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 temperatu
10、re interval - 3 minutes min). Additionally, a shear modulus vs. temperature curve shall be plotted for -50 C to +150 C temperature range, at 5 C min intervals. The plotted curve must be within tolerance range granted on the original material approval and it shall constitute the reference standard fo
11、r materials supplied to this specification and shall be kept on file at the designated material laboratory and be available on request. (s) 3.5.7 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 3.5.7.1 At 23 C +/
12、- 2 C 15 kJ/m2 3.5.7.2 At -40 C +/- 1 C 3 kJ/m2 3.5.7.3 At 0 C +/- 2 C 12 kJ/m2 The test specimen 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 chamber, if not possible, test may be conducted outside,
13、 but within 5 s. (s) 3.5.8 Heat Deflection Temperature, min 40 C (ISO 75-1 and 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 1.82 MPa) ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A5 Printed copies are uncontrolled Copyright 2
14、006, Ford Global Technologies, LLC Page 3 of 5 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 100 C +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at +/- 15% Yield Change (Test Method p
15、er para 3.5.4) 3.5.9.2 Impact Strength, Izod +/- 15% Change (Test Method per para 3.5.7.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795/SAE J369) 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
16、. 3.7 WEATHERING RESISTANCE After exposure in accordance with para 3.8.1, 3.8.2, and 3.8.3, 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 other deterioration. A slight l
17、oss 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 will be based on the prelimin
18、ary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.7.1 Xenon Arc Weatherometer Rating 4 - 5 (SAE J1960, 2500 kJ/m2 exposure min, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.7.2 12 months Florida Rating 4 - 5 12
19、months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A5 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 3.7.3 24 mo
20、nths Florida Rating 4 - 5 24 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm, min, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requiremen
21、ts of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.7-5/ C (ASTM D 831 or TMA, temperature range -30 C to 30 C) 5.2 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100 x 3.2 mm +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 C +/- 2 C 0.2 - 0.6% 5.2
22、.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C +/- 2 C 0.3 - 0.8% . After 30 minutes at 120 C +/- 2 C 0.4 - 0.9% 5.3 HEAT DEFLECTION TEMPERATURE 65 C (ISO 75-1 and 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 0.45 MPa) 5.4 RECYCLING CODE PP+EPDM ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A5 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5
