FORD WSF-M4D779-A-2010 POLYETHYLENE TEREPHTHALATE (PET) 35% GLASS FIBER MICA REINFORCED MOLDING COMPOUND 100% RECYCLED PET TO BE USED WITH FORD WSS-M99P1111-A 《聚乙烯对苯二甲酸酯(PET) 35%.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 16 N-STATUS No replacement named A. Pan, APA 2006 02 15 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1991 01 31 Released DE00E00107002086 J. B. Huebner Printed copies are uncontrolled Copyright 2010, Ford Global Technologi

2、es, LLC Page 1 of 4 POLYETHYLENE TEREPHTHALATE (PET), WSF-M4D779-A 35% GLASS FIBER/MICA REINFORCED MOLDING COMPOUND, 100% RECYCLED PET NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a 35% glass fiber/mica reinforced thermoplastic polyester molding compound based

3、 on 100% recycled polyethylene terephthalate (PET) from post consumer sources. 2. APPLICATION This specification was released originally for material used for electronic sensors housings. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must co

4、nform 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 Filler Content 33 - 37% (ISO 3451/2, glass fiber/mica, at

5、750 +/- 25 C) 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 4.0 +/-

6、 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. (s) 3.5.2 Density 1.57 - 1.65 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATION

7、WSF-M4D779-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.3 Tensile Strength at Max Load, min 90 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 8.0 GPa (ISO 178/ASTM D 790M,

8、 Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Shear Modulus at 23 C 2.0 - 3.1 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. Speci

9、men length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum). Additionally, a Shear Modulus vs. 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 4. (s) 3

10、.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) (s) 3.5.6.1 At 23 +/- 2 C 3.0 kJ/m2(s) 3.5.6.2 At -40 +/- 2 C 2.5 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature

11、prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. (s) 3.5.7 Heat Deflection Temperature, min 200 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188

12、/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 120 +/- 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 +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per pa

13、ra 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSF-M4D779-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is

14、 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (FLTM BO 116-03) Fog Number, min 60 Formation of excessive amounts of clear film or droplets is cause for rejection. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requireme

15、nts of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM D 696) Flow Direction 3.4-5/ C Transverse to Flow 3.8-5/ 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 0.46% 5.2.2 Post Shri

16、nkage (Separate specimens required for each test) . After 48 h at 80 C 0.04% . After 30 minutes at 120 C 0.00% 5.3 MELT TEMPERATURE, min 245 C (ISO 1218, Method B/ASTM D 789) 5.4 HEAT DEFLECTION TEMPERATURE, min 240 C(ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 0.45 MPa) 5.5 RECYCLING CODE PET-(GF+P)35 ENGINEERING MATERIAL SPECIFICATIONWSF-M4D779-A Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4

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