1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 20 A1/A2 N-STATUS No replacement named J. Crist, NA 2006 06 27 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.11, 3.9 Suppliers Resp. & 4 1995 04 03 Activated EP00E10460370000 L. Rodigas Printed copies are uncontrolled Copyright 2010,
2、Ford Global Technologies, LLC Page 1 of 6 POLYBUTYLENE TEREPHTHALATE + WSK-M4D895-A1 ACRYLONITRILE STYRENE ACRYLATE BLEND NOT TO BE USED FOR NEW DESIGN (PBT+ASA), 20% GLASS FIBER REINFORCED MOLDING COMPOUND, GENERAL PURPOSE POLYBUTYLENE TEREPHTHALATE + ACRYLONITRILE WSK-M4D895-A2 STYRENE ACRYLATE BL
3、END (PBT+ASA), 20% NOT TO BE USED FOR NEW DESIGN GLASS FIBER REINFORCED MOLDING COMPOUND, INTERIOR POLYBUTYLENE TEREPHTHALATE + ACRYLONITRILE WSK-M4D895-A3 STYRENE ACRYLATE BLEND (PBT+ASA), 20% GLASS FIBER REINFORCED MOLDING COMPOUND, EXTERIOR 1. SCOPE The materials defined by these specifications a
4、re 20% glass fiber reinforced blends of polybutylene terephthalate and acrylonitrile-styrene-acrylate (PBT+ASA). WSK-M4D895-A2 and WSK-M4D895-A3 materials are able to fulfill weathering requirements necessary for interior and exterior applications, respectively. 2. APPLICATION These specifications w
5、ere released originally for materials used for: WSK-M4D895-A1 - various functional general purpose applications such as nonvisible covers, WSK-M4D895-A2 - various functional interior applications such as covers exposed to sunlight, WSK-M4D895-A3 - various functional exterior applications such as bod
6、y covers. 3. REQUIREMENTS 3.0 STANDARD 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 this specification, identified by symbol(s), shall be met with da
7、ta representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Melt Flow Rate 6 - 12 g/10 minutes (ISO 1133, 260 C, 2.16 kg) The material shall be dried for 2 h minimum at 125 C in a mechanical convection oven immediately preceding the test. 3.4.2 Glass Fiber Content 18 - 22% (ISO 3451/2, at 750 +/-
8、 25 C, test portion 2.5 - 3.0 g) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D895-A1/A2/A3Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, 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 in
9、jection 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 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 pre
10、pared according to ISO 294. No annealing allowed. 3.5.2 Density 1.34 - 1.40 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 85 MPa (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 5.6 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm
11、specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.1 - 1.85 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 3
12、5 - 40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +210 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, I
13、zod, 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 5.5 kJ/m 3.5.6.2 At -40 +/- 2 C 3.8 kJ/mThe 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
14、within the cold box. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D895-A1/A2/A3Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 6 (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 A
15、t 1.80 MPa 160 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 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
16、 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 heating, 21 C cooling plate) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Ra
17、te, 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-M4D895-A2 only) 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 S
18、cale 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 with mild detergents and water (ratio 5:95 by volume), or e
19、quivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D895-A1/A2/A3Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LL
20、C 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 polished 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 +/-
21、 0.2 mm thick, molded in smooth polished mold) 3.9 WEATHERING RESISTANCE (WSK-M4D895-A3 only) After exposure in accordance with 3.9.1, 3.9.2 and 3.9.3, the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shal
22、l 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 polishing with Ford car polish (auto wax) after the outdoor exposure, at permission of the affected Product Development Materials A
23、ctivity. 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 Weatherometer Rating 4 (SAE J1960, 1580 kJ/m exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in
24、 smooth polished mold) 3.9.2 12 months Florida Rating 4 12 months Arizona (NAAO 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) 3.9.3 24 months Florida Rating 3 - 4 24 months Arizona (NAAO only) (SAE J19
25、76, 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 WHITENING Rating 4 (WSK-M4D895-A3 only, EAO applications) (SAE J1960, 1580 kJ/m exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm
26、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 MATERIAL SPECIFICATIONWSK-M4D895-A1/A2/A3Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 6 The material shall
27、 show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISOI 105-A02) after 5 minutes and 24 hours waiting time after removal from the water and soap solution. *Soap according to Ford stock code number 800.51211 or equivalent. 5. GENERAL INFORMATION The informati
28、on given below is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 3.5-5/ C (ASTM E 228 or 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
29、 specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Flow Direction 0.1 - 0.4% Transverse to Flow 0.6 - 0.8% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.05 - 0.2% . After 30 min at 120 C 0.1 - 0.3% 5.3 MELT VOLUME RATE 5 - 10 cm/10 minutes (ISO 11
30、33, 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 205 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.34 +/- 0.01 mm deflection, at 0.45 MPa) 5.5 RECYCLING CODE PBT+ASA-GF20 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D895-A1/A2/A3Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 6 of 6
