1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 1 2008 06 19 Activated K. Mueller, FNA Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 5 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) WSS-M4D713-A9 12% GLASS FILLED, COLOR PIGMENTED, UV STABILIZED, EXT
2、ERIOR 1. SCOPE The material defined by this specification is a glass filled, high impact rigid thermoplastic polyolefin elastomer (TPO) injection molding compound. This material is UV stabilized and color pigmented for exterior use. 2. APPLICATION This specification was released originally for mater
3、ial used for exterior light truck box rail moldings, requiring scratch performance. 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-A). 3.1.1 All require
4、ments 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 was developed using virgin material properties. The use of regrind is permitted, for economic / environmental reasons, with compliance as
5、indicated in WSS-M99P1111-A. Critical Process Parameters At the request of Ford Materials Engineering the supplier shall be responsible to collect critical process control data on each lot of material produced. Testing required will be jointly developed between Ford Materials Engineering and the sup
6、plier based on PFM EA review at the time of initial approval. Annually the supplier will review the in process data with Ford Materials Engineering to show that the process has remained under control. The data needs to be submitted in January for the previous calendar year. Data showing poor quality
7、 control measures or lack of submitted data may result in deletion form the Ford Approved Source List. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 19 - 26 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.2.2 Filler Content 10 - 14% (ISO 3451/1, Method A, glass filler, 1 h at 650 C +/- 25 C) ENGINEERI
8、NG MATERIAL SPECIFICATION WSS-M4D713-A9 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 6 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. T
9、he following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (ISO 527-2, specimen type 1A) B. 60 x 60 x 2.0 +/- 0.1mm (ISO/DIN 294-3) C. 355 x 100 x 1.0 +/- 0.1mm (ISO 3795) Test specimen A shall be molded using molding conditions defined in ISO 1873-2. Specimens with shorter dimensions sh
10、all be cut from the center of the specimen A. No annealing allowed. 3.3.2 Density 0.95 - 1.01 g/cm3 (ISO 1183, Method A) 3.3.3 Hardness, Durometer D 51 - 63 (ISO 868, 15 s dwell) (s) 3.3.4 Tensile Strength at Yield, min 14 MPa (ISO 527-1 and ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, tes
11、t speed: 50 mm/minute) (s) 3.3.4.1 Elongation at Yield, min 6% (Test Method according to para 3.3.4) 3.3.5 Tensile Stress/Strain Curves (ISO 527-1, 527-2, ISO 11403-1; 150 x 10 x 4 mm specimen A). Test speed shall be 5mm/minute for all materials. (Reference page 6: rates 5mm/min and 50mm/min). Provi
12、de a curve of tensile stress versus strain using one specimen per lot at each of the following temperatures: -40 C, 23 C and 0 C. For ductile materials, the curve shall cover strain through yield point. (s) 3.3.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center se
13、ction of specimen A, 10 specimens for each test) 3.3.6.1 At 23 C +/- 2 C 16 kJ/m2, Partial Break ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A9 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 3 of 6 3.3.6.2 At -40 C +/- 1 C 3 kJ/m2, Complete Break 3.3.6.3 At 0 C
14、+/- 2 C 11 kJ/m2, Partial Break The test specimen must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 s. (s) 3.3.7 Flexural Modulus, min
15、 1058 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/minute test speed, 64 mm support span) (s) 3.3.8 Heat Deflection Temperature, min 45 C (ISO 75-1 and 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) 3.3.9 Heat
16、 Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 C +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.3.9.1 Tensile Strength at Yield, Change +/- 15% (Test Method per para 3.5.4) 3.3.9.2 Impact Strength, Izod Change +/-
17、15% (Test Method per para 3.5.7.1, specimens to be notched before heat aging) 3.3.10 Scratch Performance (FLTM BN 108-13, 1.0 +/- 0.1 mm steel ball Rating 2, max at 7.0 N, 6.0 N, 4.5 N, 3.0 N and 2.0 N) required at 2.0 N (No visible whitening at any load) 3.4 FLAMMABILITY (ISO 3795/SAE J369) Burn Ra
18、te, 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. ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A9 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 4 of 6 3.5 WEATHERING RESISTANCE After expos
19、ure in accordance with 3.5.1, 3.5.2, and 3.5.3, 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 cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed pro
20、vided an acceptable appearance can be achieved as specified below by washing with mild detergents and water (ratio 5:95 by volume) or equivalent after the outdoor exposure only. 3.5.1 Xenon Arc Weatherometer Rating 4 (SAE J2527 modified Type “S“ with at least borosilicate inner and outer filters, 75
21、% gloss 0.55 W/m2 radiant exposure retention per FLTM BI 110-01 3000h exposure, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen B) Color submissions: all program colors 3.5.2 12 months Florida, Initial Qualification only Rating 4 - 5 (SAE J19
22、76, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm thick, smooth surface, low gloss injection molded specimen B) 3.5.3 24 months Florida, Initial Qualification only Rating 4 (SAE J1976, 5 south, direct weathering inland, specimen size: 60 x 60 minimum, 2.0 +/- 0.1
23、mm thick, smooth surface, low gloss injection molded specimen B) Color submissions: all program colors 3.5.4 18 months Townsville (FOA only) Rating 4 (20 north, direct weathering inland, open rack, specimen size: 60 x 60 minimum, 2.0 +/- 0.1 mm All initial approvals will be based on the preliminary
24、Weatherometer exposure, pending Florida and Arizona exposure results for final approval. ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A9 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 5 of 6 4. GENERAL INFORMATION The information given below is provided for clari
25、fication and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2 TMA, temperature range 30 to 100 C) Flow Direction, E-5 mm/mm/C 5.4 6.0 Cross Flow Direction, E-5 mm/mm/C 4.3 5.5 4.2 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100
26、x 3.2 mm +/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C (flow direction) 0.06 0.09% . After 48 h at 23 +/- 2 C (cross-flow direction) 0.08 0.12% 4.2.2 Post Shrinkage (Separate specimens required for each test) . After 30 minutes at 120 C (flow direction) 0.1
27、0 0.13 % . After 30 minutes at 120 C (cross-flow direction) 0.11 0.15% 4.3 TENSILE MODULUS 1453 MPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A, test speed: 1 mm/min) 4.4 CHARPY, NOTCHED (ISO 179/1eA, 80 x 10 x 4.0+/- 0.2 mm specimen use centersection of specimen A, 10 speci
28、mens 4.4.1 At 23 +/- 2 C 33 kJ/m2, Partial Break 4.4.2 At -40 +/- 2 C 1.8 kJ/m2, Complete Break 4.4.3 At 0 +/- 2 C 18 kJ/m2, Hinge Break 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 within
29、the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. ENGINEERING MATERIAL SPECIFICATION WSS-M4D713-A9 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 6 of 6 4.5 HEAT DEFLECTION TEMPERATURE 66 C (ISO 75-1 and 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) 4.6 RECYCLING CODE PP+EPDM-GF12
