1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 01 2011 03 01 Revised Revised See Summary of Revisions C. Herbert, SA 2005 10 27 Activated M. Myers Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, 20% TALC FILLED, W
2、SS-M4D996-A1 COLOR PIGMENTED, UV STABILIZED, BLOW MOLDING COMPOUND, EXTERIOR 1. SCOPE The material defined by this specification is a thermoplastic talc filled blow-molding compound based on polypropylene copolymer UV stabilized and color matched for exterior applications. 2. APPLICATION This specif
3、ication was released originally for material used for foldable bed extender components for pick up boxes. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111
4、A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values using latest ISO test methods. 3.1.2 This specification is based on virgin material only. The use of in-house regrind is not allowed unless the part is validated during PV
5、testing with the documented level of regrind noted on the part drawing. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 0.8 2.2 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.2.2 Mineral (Talc) Filler Content 18 - 23% (ISO 3451-1, Method A, 30 minutes at 600 +/- 25 C) 3.3 MOLDED TEST SPECIMEN 3.3.1 Pre
6、paration 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 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/-0.1
7、 mm (ISO 3795) Test specimen A shall be molded using molding conditions defined in ISO 294. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSS-M4D996-A1 Printed copies are uncontrolled Copyright 2011, Ford Gl
8、obal Technologies, LLC Page 2 of 5 3.3.2 Density 1.01 1.07 g/cm3 (ISO 1183, Method A) (s) 3.3.3 Tensile Strength at Yield 18 MPa min (ISO 527-1 150 x 10 x 4 mm specimen A). Test speed shall be 5 mm/minute for all materials. Provide a curve of tensile stress versus strain using one specimen per lot a
9、t each of the following temperatures: - 40 C, 23 C and 85 C. For ductile materials, the curve shall cover strain through yield point. The curve is shown on page 5. 3.3.5 Impact Strength, Izod, notched (Initial Qualification) (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specim
10、en A, 10 specimens for each test) 3.3.5.1 At 23 +/- 2 C 20 kJ/m2 min 3.3.5.2 At -40 +/- 2 C 3.0 kJ/m2 min 3.3.5.3 At 0 +/- 2 C 5.4 kJ/m2 min The test specimen must be conditioned for minimum of 6 hours at the above specified temperature prior to impact test. Low temperature testing shall be done wit
11、hin the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. (s) 3.3.6 Tensile Modulus 1.70 Gpa min (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A test speed: 1mm/minute) (s) 3.3.7 Charpy, notched (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen us
12、e center section section of specimen A, 10 specimens 3.3.7.1 At 23 +/- 2 C 23 kJ/m2 min 3.3.7.2 At -40 +/- 2 C 1.7 kJ/m2 min 3.3.7.3 At 0 +/- 2 C 4.5 kJ/m2 min The test specimen must be conditioned for minimum of 6 hours at the above specified temperature prior to impact test. Low temperature testin
13、g shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. 3.3.8 Heat Deflection Temperature 51 C min (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) ENGIN
14、EERING MATERIAL SPECIFICATION WSS-M4D996-A1 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 5 (s) 3.3.9 Vicat Softening Temperature 66 C min (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm specimens use center section of specimen A. Bath - silicone oil, temperature raise 5
15、0 +/- 5 C/h. Dial gage reset to O after addition of 5 kg weight. At 50 N load) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.3.10 Heat Aging Performance (ISO 188, except 150 +/- 50 air ch
16、anges/h, 1000 h at 140 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.3.10.1 Tensile Strength at Yield, Change +/- 25 % (Test method per para 3.3.3) 3.3.10.2 Impact Strength, Izod, Change +/- 25% (Test method per para 3.3.5.1, specimens to be
17、notched before heat aging) 3.4 SCRATCH RESISTANCE (FLTM BN 108-13, 1.0 +/- 0.1 mm steel ball at 7.0 N, 6.0 N, 4.5 N, 3.0 N and 2.0 N) Required at 2.0 N Rating 2 max No visible whitening is allowed at any load. 3.5 ODOR Rating 2 max (SAE J1351/FLTM BO 131-01) Interior Materials Only 3.6 FOGGING (SAE
18、J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number 90 min Formation of clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate 100 mm/minute max The specimen size required for material approval is 355 x 100
19、 x 1.0 +/- 0.1 mm (use specimen C) with a smooth surface. 3.8 WEATHERING RESISTANCE After exposure in accordance with 3.8.1, 3.8.2, and 3.8.3, the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be no c
20、racking, crazing or other deterioration. ENGINEERING MATERIAL SPECIFICATION WSS-M4D996-A1 Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 5 A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing after th
21、e outdoor exposure only. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida and Arizona exposure results for final approval. 3.8.1 Xenon Arc Weatherometer Rating 4 (SAE J1960 modified Type “S“ with at least borosilicate inner and outer filters, 75% gloss 0
22、55 W/m2 radiant exposure retention 3000 h exposure, specimen size: 60 x 60 x 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen) 3.8.2 12 months Florida Rating 4-5 12 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm
23、thick, smooth surface, low gloss injection molded specimen) 3.8.3 24 months Florida Rating 4 24 months Arizona (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen) 4. GENERAL INFORMATION The informat
24、ion given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2 TMA, -30 C to 110 C) Flow Direction 8.2E-5/ C Cross-Flow Direction 8.3E-5/ C 4.2 MOLD SHRINKAGE (ISO 294-3 and 294-4, 60 x 60 x 2.0
25、 +/- 0.1 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.9% 4.2.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 1.0% . After 30 minutes at 120 C 1.1% ENGINEERING MATERIAL SPECIFICATION WSS-M4D996-A1 Printed copies are uncontrolled
26、Copyright 2011, Ford Global Technologies, LLC Page 5 of 5 4.3 HEAT DEFLECTION TEMPERATURE 99 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa) 4.4 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES (ISO 1043-1, ISO 1043-2 latest) PP TD20 5. SUMMARY OF REVISIONS 2011 03 01 3.3.7.2 Charpy Notched from 2.2 kJ/m to 1.7 kJ/m 3.3.9 Vicat Softening Temperature from 68C to 66C
