1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 01 05 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1995 08 18 Activated M. MyersPrinted copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 6 UNSATURATED POLYESTER (UP) INJECTION MOLDING WSS-M3D178
2、A1 COMPOUND, 14% GLASS FIBER REINFORCED, LOW PROFILE UNSATURATED POLYESTER (UP) INJECTION MOLDING WSS-M3D178-A2 COMPOUND, 13% GLASS FIBER REINFORCED, EXTERIOR APPLICATIONS 1. SCOPE The material defined by these specifications is a glass fiber reinforced thermosetting injection molding compound base
3、d on unsaturated polyester resin (UP). WSS-M3D178-A2 shall be used for exterior applications only. 2. APPLICATION These specifications were released originally for material used for complex reflector bodies. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Materials suppliers and p
4、art producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND A1 A2 (s) 3.4.1 Filler Content 3.4.1.1 Ash Content, % 59 - 65 62 - 72 (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 3.4.1.2 Glass Fiber Content, By Weight, % 12 - 16 11 - 15
5、 Test Method: ISO 3451/1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hydrochloric acid solution for 15 minutes. Rinse the glass fibers several times with distilled water before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calculate the percent glass fi
6、bers. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all test specimens shall be prepared from injection molded plaques. The following dimensions are required: ENGINEERING MATERIAL SPECIFICATIONWSS-M3D178-A1/A2Printed copies are uncontrolled Copyright 2005, F
7、ord Global Technologies, LLC Page 2 of 6 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 annealing al
8、lowed. A1 A2 3.5.2 Density, g/cm31.77 - 1.87 1.84 - 1.94 (ISO 1183, Method A) 3.5.3 Tensile Strength at Max Load, 11.0 14.0 min, MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, GPa, min 9.0 10.0 (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 m
9、m/min test speed, 64 mm support span) 3.5.5 Flexural Strength, MPa, min 25.0 35.0 (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.6 Shear Modulus at 23 C, GPa 3.7 - 6.3 4.1 - 6.9 (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strai
10、n 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 for -50 to +250 C temperature ran
11、ge, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5 (A1) and page 6 (A2). 3.5.7 Impact Strength, Izod, min, kJ/m2(ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.7.1 At 23 +/- 2 C 1.0 1.5 3.5.7.2 At -40 +/- 2 C 1.0 1.5 The tes
12、t 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. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D178-A1/A2Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page
13、3 of 6 A1 A2 3.5.8 Heat Deflection Temperature, C, min 255 255 (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) 3.5.9 Water Absorption, %, max 2.0 1.0 (ISO 62, 24 h, boiling water, multipurpose specimen 150 min x 10 x 4.0 +/- 0.2 mm) 3.5.10 Heat Aging
14、Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 150 +/- 2C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.10.1 Tensile Strength at Max Load Change +/- 25% (Test Method per para 3.5.3) 3.5.10.2 Flexural Strength Change +/- 25% (Test
15、Method per para 3.5.5) 3.5.10.3 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 4.0 +/- 0.1 mm with a smoot
16、h surface. 3.7 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h) Fog Number, min 90 65 Formation of clear film, droplets or crystals is cause for rejection. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D178-A1/A2Printed copies are uncontrolled Copyright 2005, Ford
17、Global Technologies, LLC Page 4 of 6 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. A1 A2 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION, -5/ C (ASTM E 831 TMA, temperature range -30 to +100 C) 5.1.1 P
18、arallel to Flow 1.70 1.82 5.1.2 Perpendicular to Flow 2.32 2.60 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 0.09 0.06 5.2.2 Post Shrinkage . After 48 h at 120 C 0.10 0.07 5.3 HARDNESS, Barcol 62 56
19、5.4 RECYCLING CODE A1 UP- (GF+M) 62UP- (GF+M) 67 ENGINEERING MATERIAL SPECIFICATIONWSS-M3D178-A1/A2Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 5 of 6 ENGINEERING MATERIAL SPECIFICATIONWSS-M3D178-A1/A2Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 6 of 6
