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 1995 05 03 Activated NB00I10043054423 M. Trapp Printed copies are uncontrolled Copyright 2010, Ford Global Technologies,
2、 LLC Page 1 of 5 POLYPROPYLENE (PP), 30% GLASS FIBER WSB-M4D854-A1 REINFORCED REMANUFACTURED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a thermoplastic remanufactured molding compound based on the dicing of continuous glass fiber reinforced
3、polypropylene homopolymer (or copolymer) compounds. 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
4、 For Production Materials (WSS-M99P1111-A). 3.1.1 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 28.5 - 31.5% (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 3.5 MOLDED TEST SPECIMEN
5、3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried 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 dimensio
6、ns 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 allowed. 3.5.2 Density 1.07 - 1.13 g/cm (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A1Printed copies are uncontrolled Copyright 2010, Ford
7、 Global Technologies, LLC Page 2 of 5 (s) 3.5.3 Tensile Strength at Max Load, min 39.8 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 2.9 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
8、Shear Modulus at 23 C 1.01 - 1.92 GPa (ASTM D 4065, forced 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 minu
9、tes minimum) Additionally, a Shear Modulus versus Temperature curve 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 5. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 1
10、0 specimens for each test) 3.5.6.1 At 23 +/- 2 C 3.7 kJ/m 3.5.6.2 At -40 +/- 1 C 3.0 kJ/mThe 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
11、 min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 114 C 3.5.7.2 At 0.45 MPa 149 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. After heat aging test specimens are to be conditioned in a desi
12、ccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A1Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.9.1 Tensile Strength at Max Load
13、 Percent Change +/- 25% (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FOGGING (FLTM BO 116-03, 3 h at 100 C heating, 21 C cooling plate) Fog Number, min 85 Formation of clear film, droplets or c
14、rystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795/SAE J369) 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. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in m
15、eeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.7-5/ C (ASTM E 831 (TMA), temperature range -30 to 30 C) 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 0.5% 5.
16、2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.61% ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A1Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5.3 HARDNESS, DUROMETER D 78 - 82 (ISO 868, 15 s dwell) 5.4 ELONGATION AT
17、 BREAK, min (Test Method according to para 3.5.3) 1.0% 5.5 MULTI AXIAL IMPACT AT MAX LOAD, min (ASTM D 3763, 100 x 100 x 2.5 +/- 0.2 mm edge gated injection molded specimens) Test velocity at initial contact with the test specimen shall be 3.3 m/s and must not change by more than 10% during the impact event. Load energy and velocity are to be recorded as a function of displacement. 5.5.1 At 23 C 14.5 J 5.5.2 At -30 C 10 J 5.6 RECYCLING CODE PP-GF30 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D854-A1Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
