FORD WSH-M4D669-A2-2006 POLYAMIDE (PA) 66 HEAT STABILIZED 13% GLASS FIBER REINFORCED 100% POST INDUSTRIAL OR 25% POST CONSUMER RECYCLED MOLDING COMPOUND TO BE USED WITH FORD WSS-M.pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 02 N-STATUS No Replacement Named A. Reaume/M. Masserant 2005 10 31 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.8, 3.9 & 4 1995 08 21 Activated Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 5 POLY

2、AMIDE (PA) 66, HEAT STABILIZED, 13% GLASS FIBER WSH-M4D669-A2 REINFORCED 100% POST INDUSTRIAL OR 25% POST CONSUMER RECYCLED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a heat stabilized, glass fiber reinforced polyamide 66 molding compound de

3、rived from recycled polyamide 66 fibers. 2. APPLICATION This specification was released originally for material used for A/C evaporator filter retainers. NOTICE: This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties

4、 due to moisture absorption or loss in the service/assembly environment. 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 th

5、is specification, identified by symbol (s), shall be met with data representing 3 sigma values. 3.3 CONDITIONING AND TEST CONDITIONS All test values indicated herein are based on material and specimens with moisture content not exceeding 0.2% (test according to ISO 960, Method B). All test materials

6、 immediately after processing have to be sealed in containers that are impermeable to water vapor. If the moisture content exceeds 0.2%, condition the material for a minimum of 16 h at 40 - 50 C at a reduced pressure below 133 Pa. Conduct tests in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5%

7、relative humidity. Individual specimens shall not be removed from closed containers until immediately before testing. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Fiber Content 11 - 15% (ISO 3451/4, test temperature 600 +/- 25 C, test portion 5 g) (s) 3.4.2 Melt Temperature 250 - 265 C (ISO 3146, Method C,

8、10 C/min heating rate) ENGINEERING MATERIAL SPECIFICATIONWSH-M4D669-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded

9、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 prepared according

10、 to ISO 294. No annealing allowed. 3.5.2 Density 1.18 - 1.26 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 95 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 4.1 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen,

11、2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.49 - 1.56 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.

12、Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +240 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. (s) 3.5.6 Impact Strength, Izod, min (I

13、SO 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 2.4 kJ/m 3.5.6.2 At -40 +/- 1 C 2.1 kJ/m The 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 within the

14、 cold box. ENGINEERING MATERIAL SPECIFICATIONWSH-M4D669-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 (s) 3.5.7 Heat Deflection Temperature, min 227 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.5.8

15、 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Impact Stren

16、gth, Izod Change +/- 25% (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 Rate, ma

17、x 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL E

18、XPANSION 2.7-5/ C (ASTM E 831 TMA, temperature range -30 to +30 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 0.6 - 1.1% ENGINEERING MATERIAL SPECIFICATIONWSH-M4D669-A2 Printed copies are uncontrolled

19、 Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.6 - 1.2% . After 30 min at 120 C 0.6 - 1.3% 5.3 WATER ABSORPTION 0.7 - 1.1% (ISO 62, 24 h immersion, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen)

20、 5.4 IMPACT STRENGTH, IZOD, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 5.4.1 After Moisture Conditioning 3.6 kJ/m The notched specimens shall be immersed for 48 h in distilled water at 50 +/- 1 C and subsequently conditioned for 1 h at 23 +/- 2 C and 50 +/- 5% relative

21、 humidity prior to test and tested under the same conditions within 1 h. 5.5 ELONGATION AT BREAK 3% 5.6 HEAT DEFLECTION TEMPERATURE 247 C (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 0.45 MPa) 5.7 RECYCLING CODE PA66-GF13 ENGINEERING MATERIAL SPECIFICATIONWSH-M4D669-A2 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5