1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 06 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.11, 3.12 & 4 1995 04 03 Activated L. Rodigas Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 6 POLYBUTYLENE TEREPHTHALATE + WSK-M4D896-A1 ACRYLON
2、ITRILE STYRENE ACRYLATE BLEND (PBT+ASA), 30% GLASS FIBER REINFORCED MOLDING COMPOUND, GENERAL PURPOSE POLYBUTYLENE TEREPHTHALATE + ACRYLONITRILE WSK-M4D896-A2 STYRENE ACRYLATE BLEND (PBT+ASA), 30% GLASS FIBER REINFORCED MOLDING COMPOUND, INTERIOR POLYBUTYLENE TEREPHTHALATE + ACRYLONITRILE WSK-M4D896
3、-A3 STYRENE ACRYLATE BLEND (PBT+ASA), 30% GLASS FIBER REINFORCED MOLDING COMPOUND, EXTERIOR 1. SCOPE The materials defined by these specifications are 30% glass fiber reinforced blends of polybutylene terephthalate and acrylonitrile-styrene- acrylate (PBT+ASA). WSK-M4D896-A2 and WSK-M4D896-A3 materi
4、als are able to fulfil weathering requirements necessary for interior and exterior applications, respectively. 2. APPLICATION These specifications were released originally for materials used for: WSK-M4D896-A1 - various functional general purpose applications such as non-visible covers, WSK-M4D896-A
5、2 - various functional interior applications such as covers exposed to sunlight, WSK-M4D896-A3 - various functional exterior applications such as body covers. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standar
6、d 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 3 - 10 g/10 minutes (ISO 1133, 260 C, 2.16 kg) The material shall be drie
7、d for min of 2 h at 125 in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Content 28 - 32% (ISO 3451/2, at 750 +/- 25 C, test portion 2.5 - 3.0 g) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D896-A1/A2/A3Printed copies are uncontrolled Copyright 2006, Ford Global Technolo
8、gies, LLC Page 2 of 6 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. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x
9、 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. 3.5.2 Density 1.44 - 1.50 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 108 MPa
10、(ISO R 527, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) (s) 3.5.4 Flexural Modulus, min 8.0 GPa (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 1.29 - 2.15 GPa (ASTM D 4065, forced constant amplitude, fixed frequency o
11、f 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 be plotted for -50 t
12、o +200 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, 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 6.3 kJ/m 3.5.6.2 At -40 +/- 2 C 5.5 kJ/mThe t
13、est 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. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D896-A1/A2/A3Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC
14、Page 3 of 6 (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. 3.5.7.1 At 1.80 MPa 170 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. Unaged property values shall be determined at the
15、time of the aged properties determination) 3.5.8.1 Tensile Strength at Max Load Change +/- 20% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 20% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C, 21 C cooling p
16、late) Fog Number, min 90 Formation of clear film, droplets or crystals 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 WEATHERING RESISTANCE (WSK-M4D896-A2 only)
17、 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 or chalking will b
18、e 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 for final approval.
19、 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D896-A1/A2/A3Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 6 3.8.1 Xenon Arc Weatherometer Rating 4 (SAE J1885, 400 kJ/m exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in smooth po
20、lished mold) 3.8.2 12 months Florida Rating 4 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9 WEATHERING RESISTANCE (WSK-M4D896-A3 only) After exposure in accordance with 3.9.1, 3.9.2 and 3.9.3, the material shall
21、 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 can be achieved by washing and/or p
22、olishing 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 final approval. 3.9.1 Xenon Arc W
23、eatherometer Rating 4 (SAE J1960, 1580 kJ/m exposure 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 12 months Arizona (North America only) (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm,
24、 minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.9.3 24 months Florida Rating 3 - 4 24 months Arizona (North America 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) 3.10 RESISTANCE TO WH
25、ITENING Rating 4 (WSK-M4D896-A3 only, EAO applications) (SAE J1960, 1580 kJ/m exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, grained on one side, reverse ungrained, follow with immersion for 5 minutes at 85 +/- 2 C in water and soap* (ratio 95:5 by volume) ENGINEERING M
26、ATERIAL SPECIFICATIONWSK-M4D896-A1/A2/A3Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 6 The material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02) after 5 minutes and 24 hours waiting time afte
27、r removal from the water and soap solution. *Soap according to Ford stock code number 800.51211 or equivalent. 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 EXPANS
28、ION 3-5/ C (ASTM E 831 TMA, temperature range -20 to +100 C) 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 Flow Direction 0.1 - 0.3% Transverse to Flow 0.6 - 0.8% 5.2.2 Post Shrinkage (Separate specimens
29、 required for each test) . After 48 h at 80 C 0.05 - 0.1% . After 30 minutes at 120 C 0.1 - 0.2% 5.3 MELT VOLUME RATE 2 - 8 cm/10 minutes (ISO 1133, 260 C, 2.16 kg) The material shall be dried for min of 2 h at 125 C in a mechanical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE, min 211 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.34 +/- 0.01 mm deflection, at 0.45 MPa) 5.6 RECYCLING CODE PBT+ASA-GF30 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D896-A1/A2/A3Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 6 of 6
