1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 03 20 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1992 02 03 Released EP00E10176261000 P. Kuntze Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 POLYPHENYLENE SULFIDE (PPS), 45% GLAS
2、S FIBER WSK-M4D808-A REINFORCED, SELF-EXTINGUISHING MOLDING COMPOUND 1. SCOPE The material defined by this specification is a very high heat resistant 45% glass fiber reinforced polyphenylene sulfide (PPS) molding compound. This material is self-extinguishing (SE) without flame retardant additives.
3、2. APPLICATION This specification was released originally for material used for bulb retainer ring. 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、.4 MOLDING COMPOUND 3.4.1 Glass Fiber Content 43 - 47% (ISO 3451/1, Method A, 1 h at 825 +/- 50 C) 3.4.2 Melt Temperature, min 276 - 280 C (ISO 1218, Method B/ASTM D 789, or DSC - ASTM E 794) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be c
5、arried 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 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specim
6、ens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.70 - 1.82 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D808-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.5.3 Tensile Strength
7、at Break, min 160 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus, min 14 GPa (ISO 178/ASTM D 790M, 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 2.6 - 3.5 GPa (ASTM D 4065, fo
8、rced 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 temperature interval - 3 minutes minimum). Additionally, a Shear Modulus vs. Temper
9、ature curve shall be plotted for -50 to +275 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.6 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) 3.5.6
10、.1 At 23 +/- 2 C 7 kJ/m23.5.6.2 At -40 +/- 2 C 7 kJ/m2The 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. 3.5.7 He
11、at Deflection Temperature, min 260 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/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 220 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.
12、5.8.1 Tensile Strength at Change, max -25% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change, max +/- 15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D808-A Printed copies are uncontrolled Copyright 2006, Ford Glob
13、al Technologies, LLC Page 3 of 4 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-extinguishing (SE) The specimen size required for material approval is 355 x 100 x 0.8 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification and
14、 assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 1.0 - 1.5-5/C (ASTM D 696) 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 Flow Direction 0.3% Tra
15、nsverse to Flow 0.8% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.02% . After 30 minutes at 120 C 0.05% 5.3 MELT VOLUME RATE 6 - 10 cm3/10 minutes (ISO 1133/ASTM D 1238, 320 C, 2.16 kg) The material shall be dried for minimum of 4 h at 130 - 135 C in a mech
16、anical convection oven immediately preceding the test. 5.4 HEAT DEFLECTION TEMPERATURE 160 C (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 8 MPa) 5.5 RECYCLING CODE SAE or PPS-GF45 PPS-GF45 OPTIONAL ENGINEERING MATERIAL SPECIFICATIONWSK-M4D808-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
