1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 09 28 Revised Inserted 3.0; deleted 3.1, 3.2, 3.3, 3.5.5, 3.9, 3.10 revised 2, 3.5.3, 3.5.4, 3.5.6.1, 3.5.6.3, 3.7; added 3.5.9, 3.8.3 added drawing on page 5; title revised M. Dumitrescu 1994 11 02 NB00I10043054374 Released M. Masserant
2、Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 6 POLYPROPYLENE (PP) COPOLYMER, 13% TALC FILLED WSB-M4D841-A3 COLOR PIGMENTED MOLDING COMPOUND, INTERIOR 1. SCOPE The material defined by this specification is a molding compound based on polypropylene copolymer,
3、 11 - 15% mineral (talc) filled, molded-in-color, low gloss, UV stabilized for unpainted interior. 2. APPLICATION This specification was released originally for material used for CD334/338/378 sunvisor vanity mirror frame and cover. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS
4、Material suppliers and part producers must conform to the Companys Standard Requirements 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 Melt Flow Rat
5、e 15 - 25 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.4.2 Mineral Content 11 - 15% (ISO 3451/1, Method A, 650 +/- 25 C, talc) 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. The
6、 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 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A3 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 6 Specimens with shorter dimensions shall
7、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 0.97 - 1.02 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Max Load, min 24 MPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm
8、 specimen, 50 mm/min) (s) 3.5.4 Flexural Modulus, min 1.4 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) The data to be completed only at initial approval. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for
9、 each test) 3.5.6.1 At 23 +/- 2 C 2.8 kJ/m 3.5.6.2 At -40 +/- 1 C 2.0 kJ/m 3.5.6.3 At -15 +/- 2 C 2.1 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 Defl
10、ection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 55 C 3.5.7.2 At 0.45 MPa 99 C 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
11、 the aged properties determination) 3.5.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A3 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 3 of 6 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method
12、 per para 3.5.6.1, specimens to be notched before heat aging) 3.5.9 Tensile Stress/Strain Curves (ISO 527-1, 527-2, ISO 11403-1 150 x 1 x 4 mm specimen, 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 at each o
13、f the following temperatures: -40 C, 23 C, 85 C and 105 C. The curves are shown on page 5. 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a smooth surface. 3.7 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C
14、 cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.8 WEATHERING RESISTANCE After exposure in accordance with 3.8.1 and 3.8.2, the material shall show no fading or color change in excess of specified Gray Sca
15、le rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by washing with mild detergents and water (ratio 5:95 by volume), or equ
16、ivalent, after the Florida exposure. All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.8.1 Xenon Arc Weatherometer Rating 4 - 5 (SAE J1885, 1240 kJ/m exposure minimum, specimen size: 150 x 100 mm minimum, 3.2 +/- 0.2
17、 mm thick, molded in smooth polished mold) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A3 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 4 of 6 3.8.2 12 months Florida Rating 4 - 5 (FLTM BI 160-01, 5 south, under glass, specimen size: 150 x 100 mm, minimum, 3.2 +
18、/- 0.2 mm thick, molded in smooth polished mold) 3.8.3 Filtered Xenon Arc Rating 4 5 (DVM-0067-MA 2406 kJ/m2) 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
19、 8.7-5/C (ASTM E 831 TMA) 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 1.2 - 1.4% 5.3 ELONGATION AT BREAK 27% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 60 (ISO 868, 15 s dwell) 5.5
20、 RECYCLING CODE PP-TD13 5.6 SHEAR MODULUS at 23 C 720 1200 MPa (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 temp
21、erature interval 3 minutes 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 6. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A3 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 5 of 6 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D841-A3 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 6 of 6
