1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 23 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1992 05 01 Released EP00E10176267000 P. Kuntze Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 PHENOLIC (PF), 40% WOOD FLOUR FILLED
2、 WSK-M3D168-A1 INJECTION MOLDING COMPOUND 1. SCOPE The material defined by this specification is a thermosetting injection molding compound based on two stage cure phenolic resin, 40% or above wood flour filled, with phenolic resin content of 45% minimum. 2. APPLICATION This specification was releas
3、ed originally for material used for ash trays. 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). 3.4 MOLDING COMPOUND 3.4.1 Ash Content (Inorganic Fill
4、ers Only) 5.5 - 7.5% (ISO 3451/1, Method A, test portion: 10 - 20 g, 2 h at 850 +/- 2 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 test specimens. The following dimensions are required: A. 150 min x 10 x
5、 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2 mm C. 25 x 13 x 13 mm (Compressive Strength Bar, ASTM D 695) Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared under optimum conditions as defined b
6、y the manufacturer of raw material. No annealing allowed. 3.5.2 Density 1.39 - 1.45 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 55 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) ENGINEERING MATERIAL SPECIFICATION
7、WSK-M3D168-A1 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.5.4 Flexural Modulus, min 8.0 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/-
8、0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.5 Flexural Strength, min 80 MPa (Test Method per para 3.5.4) 3.5.6 Compressive Strength, min 200 MPa (ASTM D 695, 25 x 13 x 13 mm specimen, 1.3 mm/minute test speed) 3.5.7 Shear Modulus at 23 C 2.3 - 3.4 GPa (ASTM D 4065, forced constant amplitude, fixe
9、d 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 temperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature curve shall be plotted f
10、or -50 to +280 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.8 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) 3.5.8.1 At 23 +/- 2 C 1.4 kJ/m2 3.5
11、8.2 At -40 +/- 2 C 1.4 kJ/m2 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 cold box, if not possible, test can be conducted outside, but within 5 s. 3.5.9 Heat Deflection Temperatur
12、e, min 140 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm. At 1.80 MPa) 3.5.10 Water Absorption, max 5.7% (ISO 62, 24 h/ASTM D 570, 24 h boiling water, compression molded specimen A, 150 min x 10 x 4.0 +/- 0.2 mm) 3.5.11 Heat Aging Performance (I
13、SO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 180 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) ENGINEERING MATERIAL SPECIFICATION WSK-M3D168-A1 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4
14、3.5.11.1 Tensile Strength Change, max -50% (Test Method per para 3.5.3) 3.5.11.2 Impact Strength, Izod Change, max -50% (Test Method per para 3.5.8.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-extinguishing (SE) The specimen size require
15、d 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 EXPANSION 3 - 4-5/ C (ASTM D 696) 5.2 MOLD
16、 SHRINKAGE (ISO 2577, injection molded multipurpose specimen, 150 min x 10 x 4.0 +/- 0.2 mm 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C Flow Direction 0.90 - 0.95% Transverse to Flow 1.50 - 1.70% 5.2.2 Post Shrinkage . After 48 h at 80 C Flow Direction 0.34 - 0.40% Transverse to Flow 0.55 - 0
17、65% 5.3 HARDNESS, ROCKWELL M, min 105 (ISO 2039/2/ASTM D 785) 5.4 HEAT DEFLECTION TEMPERATURE, min 100 C (ISO 75/ASTM D 648, except 80 x 10 x 4.0 +/- 0.2 mm specimen, placed flatwise on supports with 64 mm span. At 8 MPa) 5.5 RECYCLING CODE SAE or PF-WD40 OPTIONAL PF-WD40 ENGINEERING MATERIAL SPECIFICATION WSK-M3D168-A1 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
