FORD WSK-M4D840-A3-2011 ACETAL (POM) COPOLYMER MELT FLOW RATE 29 - 35 INTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSK-M4D840-A1)《内部熔态流动率为29-35的乙缩醛(POM)共聚物 与福特WSS.pdf
《FORD WSK-M4D840-A3-2011 ACETAL (POM) COPOLYMER MELT FLOW RATE 29 - 35 INTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSK-M4D840-A1)《内部熔态流动率为29-35的乙缩醛(POM)共聚物 与福特WSS.pdf》由会员分享,可在线阅读,更多相关《FORD WSK-M4D840-A3-2011 ACETAL (POM) COPOLYMER MELT FLOW RATE 29 - 35 INTERIOR TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSK-M4D840-A1)《内部熔态流动率为29-35的乙缩醛(POM)共聚物 与福特WSS.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2011 09 02 N Status A1 N Status Replaced by WSS-M4D840-B1 B. Haggart, FNA 2006 11 22 Revised Paragraph 3.6 Added 3.8.3 1992 10 01 Released EP00E10176308000 L. Rodigas Controlled document at www.MATS Copyright 2011, Ford Global Technolo
2、gies, LLC Page 1 of 8 ACETAL (POM) COPOLYMER, MELT FLOW RATE WSK-M4D840-A1 5 - 11, INTERIOR NOT TO BE USED FOR NEW DESIGN ACETAL (POM) COPOLYMER, MELT FLOW RATE WSK-M4D840-A2 11 - 16, INTERIOR ACETAL (POM) COPOLYMER, MELT FLOW RATE WSK-M4D840-A3 29 - 35, INTERIOR 1. SCOPE The material defined by the
3、se specifications is thermoplastic acetal copolymers based on trioxane for interior use with melt flow rates from 5 to 35 g/10 minutes. 2. APPLICATION These specifications were released originally for materials used for decorative and/or functional interior automotive applications such as loudspeake
4、r grilles, etc. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P111
5、1-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 3.4.1 Melt Flow Rate, g/10 minutes (ISO 1133, 190 C, 2.16 kg) A1 A2 A3 5 11 11 16 29 - 35 Note: For individual melt flow rates of approved materials s
6、ee Corporate Approved Source List. ENGINEERING MATERIAL SPECIFICATION WSK-M4D840-A1/A3 Copyright 2011, Ford Global Technologies, LLC Page 2 of 8 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 te
7、st 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 prepared according to ISO 294. No
8、annealing allowed. 3.5.2 Density 1.39 - 1.43 g/cm3 (ISO 1183, Method A) 3.5.3 Tensile Strength at Yield, min 60 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/minute test speed) 3.5.4 Flexural Modulus, min 2.4 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed
9、, 64 mm support span) 3.5.5 Shear Modulus at 23 C, 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 - 40 mm. Soak time at each temperatur
10、e interval 3 minutes minimum). Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curves must be within tolerance ranges shown on pages 6 (-A1), 7 (-A2), 8 (-A3). A1 A2 A3 0.76 - 1.4 0.80 - 1.47 0.80 - 1.47
11、ENGINEERING MATERIAL SPECIFICATION WSK-M4D840-A1/A3 Copyright 2011, Ford Global Technologies, LLC Page 3 of 8 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.1 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 3.0 kJ/m2 3.5.6.2 At -40 +/- 2 C 2.5 kJ/m2 The test specime
12、ns 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. 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 At 1.80 MPa
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