1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 01 20 Revised Removed N-STATUS; Required for Fascia Brackets K. Mueller, FNA 2007 10 11 N-STATUS Replaced by WSS-M4D556-A6 K. Mueller 1994 07 21 Released EP00E10426220000 L. Rodigas Printed copies are uncontrolled Copyright 2009, Ford Glo
2、bal Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, 10% MINERAL WSK-M4D651-A2 FILLED MOLDING COMPOUND 1. SCOPE The material defined by this specification is a 10% mineral (talc) filled injection molding compound based on polypropylene copolymer with a high melt flow rate for general purp
3、ose use. 2. APPLICATION This specification was released originally for material used for retainers, bumper to body. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WS
4、S-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 Melt Flow Rate 16 - 22 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Filler Content 8 - 14% (ISO 3451/1, Method A, talc mineral
5、 3 h at 650 +/- 25 C, test portion 1 to 2 g) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D651-A2 Printed copies are uncontrolled Copyri
6、ght 2009, Ford Global Technologies, LLC Page 2 of 5 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 specimens shall
7、 be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 0.96 - 1.00 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 25 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.4 Flexural Modulus, min 1.9 GPa (ISO 178, 80 x 10 x 4.0 +
8、/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 0.60 - 1.10 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 betwe
9、en clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be plotted for -50 to +160 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 St
10、rength, 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 2.7 kJ/m 3.5.6.2 At -40 +/- 1 C 1.6 kJ/m3.5.6.3 At 0 +/- 2 C 2.0 kJ/mThe test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test.
11、Low temperature testing shall be done within the cold box. ENGINEERING MATERIAL SPECIFICATIONWSK-M4D651-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 5 (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 m
12、m deflection) 3.5.7.1 At 1.80 MPa 58 3.5.7.2 At 0.45 MPa 105 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 130 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Max +/- 25% Load Change
13、 (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod -15% Change, max (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) Fog Number, min 90 Formation of a clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILIT
14、Y (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 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 COEFF
15、ICIENT OF LINEAR THERMAL EXPANSION 7 - 9-5/ C (ASTM E 831 (TMA), temperature range -20 to 50 C) ENGINEERING MATERIAL SPECIFICATIONWSK-M4D651-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 5 5.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm i
16、njection molded specimen) 5.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 1.5% 5.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.2% . After 30 min at 120 C 0.3% 5.3 USE OF REGRIND MATERIAL (Property values of regrind material shall be compared with original vir
17、gin material). Regrind: Compound of 20 weight percent regrind based on single reprocessed material, free of contaminations and 80 weight % virgin material) 5.3.1 Melt Flow Rate Change, max +30% (Test method per para 3.4.1) 5.3.2 Tensile Strength at Yield Change +/- 10% (Test method per para 3.5.3) 5
18、.3.3 Flexural Modulus Change +/- 10% (Test method per para 3.5.4) 5.3.4 Impact Strength, Izod Change, max -10% (Test method per para 3.5.6.1) 5.3.5 Heat Deflection Temperature Change +/- 10% (Test method per para 3.5.7.1) 5.4 RECYCLING CODE PP-TD10 ENGINEERING MATERIAL SPECIFICATIONWSK-M4D651-A2 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 5 of 5
