1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 03 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1992 02 03 Released EP00E10176261000 L. Rodigas Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 POLYPROPYLENE (PP) SHEET, 40% CONTIN
2、UOUS WSK-M4D818-A GLASS FIBER REINFORCED 1. SCOPE The material defined by this specification is a flow molded 40% coupled continuous glass fiber reinforced polypropylene sheet based on polypropylene homopolymer matrix. 2. APPLICATION This specification was released originally for material used for s
3、tructural parts such as engine covers etc. 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 TEST SPECIMEN 3.4.1 Preparation of Test Specimens Unle
4、ss otherwise specified all tests shall be carried out on test specimens machined from flow molded sheets. 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 portio
5、n of the test specimen A and/or B. The specimens shall be machined according to ISO 2818. No annealing allowed. 3.4.2 Glass Fiber Content 36 - 44% (ISO 3451/1, Method A, 3 h at 650 +/- 25 C, test portion 1 to 2 g of sheet) 3.4.3 Density 1.15 - 1.30 g/cm3(ISO 1183, Method A/ASTM D 792, Method A1) 3.4
6、.4 Tensile Strength at Max Load, min 85 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D818-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.4.5 Flexural Modulus, min 5.5
7、 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 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.4.6 Shear Modulus at 23 C 1.40 - 2.40 GPa (ASTM D 4065, forced constant amplitude, fixed f
8、requency 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 for
9、 -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.4.7 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) 3.4.7.1 At 23 +/- 2 C 45 kJ/m23.4.7.2
10、 At -40 +/- 2 C 55 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. 3.4.8 Heat Deflection Temperature, min
11、 (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen at standard deflection of 0.32 +/- 0.01 mm) 3.4.8.1 At 1.80 MPa 149 C 3.4.8.2 At 0.45 MPa 159 C 3.4.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 125 +/- 2 C. Unaged property values shall be determined at the
12、 time of the aged properties determination) 3.4.9.1 Tensile Strength at Max Load Change +/- 15% (Test Method per para 3.5.3) 3.4.9.2 Impact Strength, Izod Change, max -15% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D818-A Printed
13、 copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.5 FOGGING (FLTM BO 116-03) Fog Number, min 70 Formation of excessive amounts of clear film or droplets is cause for rejection. 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for
14、material approval is 355 x 100 x 2.0 +/- 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 2.5-5/C (ASTM D 696) 5.2 MOLD SHRINKAG
15、E (ISO 2577, approx. 150 x 100 x 4.0 +/- 0.2 mm flow molded specimen) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.1 - 0.3% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1% . After 30 minutes at 120 C 0.1% 5.3 GLASS FIBER CONTENT OF FINISHED PARTS 36 - 44% (Test Method per para 3.4.2, location of sampling: at any area of part) 5.4 RECYCLING CODE SAE PP-GF40 OPTIONAL ENGINEERING MATERIAL SPECIFICATIONWSK-M4D818-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
