1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 25 N-STATUS No replacement named J. Crist, NA 2006 05 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1993 08 02 Released NB00I10043054275 L.A. Graham Printed copies are uncontrolled Copyright 2010, Ford Global Technologie
2、s, LLC Page 1 of 4 POLYPROPYLENE (PP), 40% GLASS FIBER WSB-M4D854-A2 REINFORCED REMANUFACTURED COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification was remanufactured by dicing of continuous glass fiber reinforced polypropylene homopolymer (or copolymer) compoun
3、ds. 2. APPLICATION This specification was released originally for material used for load floors. 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.
4、1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND (s) 3.4.1 Glass Fiber Content 35 - 45% (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise
5、 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 portion of the tes
6、t specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.15 - 1.27 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 29.1 MPa (ISO R 527, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute) ENGINEERING MATERIAL SPECIFICAT
7、IONWSB-M4D854-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.4 Flexural Modulus, min 2.8 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 1.25 - 2.08 GPa ASTM D 4065, forced cons
8、tant 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. Temperature curv
9、e shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.5.6 Impact Strength, Izod, min (ISO 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 12 kJ/m 3.5.6.2 A
10、t -40 +/- 2 C 17 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 cold box. (s) 3.5.7 Heat Deflection Temperature, C, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01
11、 mm deflection) 3.5.7.1 At 1.80 MPa 122 C 3.5.7.2 At 0.45 MPa 141 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 25% (Tes
12、t Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.6 FLAMMABILITY (I
13、SO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 3.2 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (FLTM BO 116-03, 3 h at 100 C) Fog Number, min 80 Formation of clear film or droplets is cause for rejection. 5. GENERAL INFORMATION The information
14、 given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 3.2-5/ 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
15、48 h at 23 +/- 2 C 0.4% 5.3 ELONGATION AT BREAK, min 1.0% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 74 - 78 (ISO 868/ASTM D 2240, 15 s dwell) 5.5 INSTRUMENTED IMPACT, min (ASTM D 3763, speed 3.3 m/s) At 23 C 11 J At -29 10 5.6 RECYCLING CODE PP-GF40 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A2Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 4
