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    FORD WSK-M4D737-A2-2010 POLYBUTYLENE TEREPHTHALATE (PBT) MODIFIED 30% GLASS FIBER REINFORCED MOLDING COMPOUND EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A 《汽车外部用30%玻璃纤维增强的聚对苯二甲酸丁.pdf

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    FORD WSK-M4D737-A2-2010 POLYBUTYLENE TEREPHTHALATE (PBT) MODIFIED 30% GLASS FIBER REINFORCED MOLDING COMPOUND EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A 《汽车外部用30%玻璃纤维增强的聚对苯二甲酸丁.pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 06 11 N-STATUS A3 Replaced by WSS-M4D929-A3 A. Pan, APA 2006 01 11 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10, 3.11 & 4 1994 03 15 Released Released WSK-M4D737-A2 C10387248 Dr. B. Jenschke Printed copies are uncontrolled Copyright

    2、2010, Ford Global Technologies, LLC Page 1 of 6 POLYBUTYLENE TEREPHTHALATE (PBT), MODIFIED, 30% GLASS WSK-M4D737-A2 FIBER REINFORCED MOLDING COMPOUND, EXTERIOR POLYBUTYLENE TEREPHTHALATE (PBT) MODIFIED, 30% GLASS WSK-M4D737-A3 FIBER REINFORCED MOLDING COMPOUND, INTERIOR NOT TO BE USED FOR NEW DESIGN

    3、 1. SCOPE The materials defined by these specifications are 30% glass fiber reinforced thermoplastic polyester molding compounds based on polybutylene terephthalate (PBT), UV stabilized for exterior (WSK-M4D737-A2) and interior (WSK-M4D737-A3) applications. 2. APPLICATION WSK-M4D737-A2 This specific

    4、ation was released originally for material used for sunroof frame. WSK-M4D737-A3 This specification was released originally for material used for interior driver operated switch knobs. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STAN

    5、DARD 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 requirements of these specifications, identified by symbol (s), shall be met with data representing 3 sigma values.

    6、 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 10 - 16 g/10 minutes (ISO 1133, 260 C, 2.16 kg) The material shall be dried for 4 h minimum at 130 - 135 C in a mechanical convection oven immediately preceding the test. (s) 3.4.2 Glass Fiber Content 28 - 32% (ISO 3451/2, test temperature 750 +/- 25 C,

    7、 test portion 2.5 - 3.0 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. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D737-A2/A3 Printed copies are uncontrolled Copyright 2006, Ford

    8、Global Technologies, LLC Page 2 of 6 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 ac

    9、cording to ISO 294. No annealing allowed. 3.5.2 Density 1.54 - 1.58 g/cm3(ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 130 MPa (ISO R 527, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) (s) 3.5.4 Flexural Modulus, min 9.2 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm spe

    10、cimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.75 - 2.15 GPa (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 center of specimen A. Specimen length between clamps 35

    11、- 40 mm soak time at each temperature interval: 3 minutes minimum). Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +220 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 6. (s) 3.5.6 Impact Strength, Izod, m

    12、in (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 7.0 kJ/m23.5.6.2 At -40 +/- 2 C 7.0 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 withi

    13、n the cold box, if not possible, test can be conducted outside, but within 5 s. (s) 3.5.7 Heat Deflection Temperature, min 195 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/-0.01 mm deflection. At 1.80 MPa) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D737-A2/A3 Printed copies are uncon

    14、trolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 6 3.5.8 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h at 160 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 25% (Test Method

    15、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) 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. 3.7 FO

    16、GGING (WSK-M4D737-A3 only) (SAE J 1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 95 Formation of a clear film, droplets or crystals is cause for rejection. 3.8 WEATHERING RESISTANCE (WSK-M4D737-A2 only) After exposure in accordance with 3.8.1, 3.

    17、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 loss of gloss or chalking will be allowed provided an acceptable appearance c

    18、an 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 preliminary Weatherometer exposure, pending Florida and Arizona exposure results for

    19、 final approval. 3.8.1 Xenon Arc Weatherometer Rating 4 (SAE J 1960, 1580 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 (SAE J 1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm, mi

    20、nimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D737-A2/A3 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 6 3.8.3 24 months Florida Rating 3-4 (SAE J1976, 5 south, direct weathering inland, specimen size: 1

    21、50 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9 WEATHERING RESISTANCE (WSK-M4D737-A3 only) After exposure in accordance with 3.9.1 and 3.9.2 material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A0

    22、2). In addition, there shall be 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 with mild detergents and water (ratio 5:95 by volume), or equivalent, after the Florida exposure. 3.9.1 Xenon A

    23、rc Weatherometer Rating 4 (SAE J 1885, 300 kJ/m2exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9.2 12 months Florida Rating 4 (FLTM BI 16-01, 5 south, under glass, specimen size: 150 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in sm

    24、ooth polished mold) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM D 696) . Flow direction 2.0 - 3.5-5/ C . Cross to flow direction 5.5 - 9.0-5/ C 5

    25、.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 . Flow direction 0.25 - 0.30% . Cross to flow direction 1.20 - 1.40% ENGINEERING MATERIAL SPECIFICATIONWSK-M4D737-A2/A3 Printed copies are uncontrolled Copyri

    26、ght 2006, Ford Global Technologies, LLC Page 5 of 6 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1% . After 30 min at 120 C 0.15% 5.3 MELT VOLUME RATE 7 - 13 cm3/10 minutes (ISO 1133, 260 C, 2.16 kg) The material shall be dried for min of 4 h at 130 - 135 C

    27、 in a mechanical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 210 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 0.45 MPa) 5.5 MELT TEMPERATURE 220 - 226 C (ISO 3146, Method C, 10 C/min heating rate) 5.6 RECYCLING CODE PBT-GF30 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D737-A2/A3 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 6 of 6


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