1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 05 Re-Activated Material in use for antenna mast L. Schmalz, NA 2009 09 21 N-STATUS No Replacement Named, No known use. C. Mracna, NA 1994 04 08 Released A1/A2 NBooI10043054322 J. LaDuke Printed copies are uncontrolled Copyright 2010,
2、Ford Global Technologies, LLC Page 1 of 4 THERMOPLASTIC ELASTOMER, CHLORINATED ETHYLENE WSB-M2D462-A1 TE(PE-C), 60 A HARDNESS, EXTERIOR ONLY THERMOPLASTIC ELASTOMER, CHLORINATED ETHYLENE WSB-M2D462-A2 TE(PE-C), 70 A HARDNESS, EXTERIOR ONLY THERMOPLASTIC ELASTOMER, CHLORINATED ETHYLENE WSB-M2D462-A3
3、TE(PE-C), 80 A HARDNESS 1. SCOPE The material defined by these specifications is a chlorinated ethylene thermoplastic elastomer (TECE) molding compound. 2. APPLICATION These specifications were released originally for material used for exterior windshield moldings, door latch mechanism seal, and eng
4、ine service door latch. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Company Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 DYNAMIC MECHANICAL ANALYSIS (ASTM D 4065) Ford Motor Company, at its optio
5、n, may establish a shear modulus/ damping vs. temperature curves plotted for -50 to +170 C temperature range for material/parts supplied to this specification. The shear modulus and damping curves established for initial approval shall constitute the reference standard and shall be kept on file at t
6、he designated material laboratory. All samples shall produce shear modulus and damping curves that correspond to the reference standard when tested under the same conditions. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified, all tests shall be conducted on spec
7、imens die cut from injection molded plaques 150 x 100 x 2.0 +/- 0.2 mm. The plaques shall be molded according to ISO 294 and film gated along the upper 100 mm edge. No annealing allowed, unless specified otherwise. ENGINEERING MATERIAL SPECIFICATIONWSB-M2D462-A1/A2/A3 Printed copies are uncontrolled
8、 Copyright 2010, Ford Global Technologies, LLC Page 2 of 4 A1 A2 A3 3.5.2 Density, g/cm31.09 - 1.13 - 1.15 - (ISO 1183, Method A/ASTM D 792, 1.12 1.17 1.19 Method A1) (s) 3.5.3 Hardness, Durometer A 61 - 67 69 - 75 74 - 82 (ISO 868/ASTM D 2240, 6 mm thick plied-up specimen, instantaneous reading) (s
9、) 3.5.4 Tensile Strength at Break, MPa, 5.0 7.0 9.0 min (ISO R 527, type II/ASTM D 412, Die C, 115 x 6 x 2.0 +/- 0.2 mm specimen, 500 mm/minute test speed) 3.5.4.1 Elongation at Break, 100 190 150 %, min (Test according to para 3.5.4) (s) 3.5.5 Tear Strength, kN/m (ISO 34, Method B, Procedure A/ AST
10、M D 624, Die C) 3.5.5.1 Parallel to Flow 19.0 28.0 34.0 3.5.5.2 Perpendicular to Flow 10.0 27.0 31.0 3.5.6 Compression Set, %, max (ISO 815, Large Type-plied specimen/ASTM D 395, Method B, Type 1 plied specimen) 3.5.6.1 22 h at 70 +/- 1 C 60 65 65 3.5.6.2 70 h at 100 +/- 2 C 70 77 80 3.5.6.3 1000 h
11、at 70 +/- 2 C 75 75 80 3.5.7 Brittleness Point, C, max -70 -70 -70 (ASTM D 2137, Method A) 3.5.8 HEAT AGING (ISO 188/ASTM D 573, 1000 h at 100 +/- 2 C) 3.5.8.1 Hardness Change, max -5 -5 -5 3.5.8.2 Tensile Strength +15 +15 +10 Change, %, max 3.5.8.3 Elongation Change, %, +40 +35 +35 max ENGINEERING
12、MATERIAL SPECIFICATIONWSB-M2D462-A1/A2/A3 Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 4 3.5.8.4 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen
13、 size required for material approval is 355 x 100 x 1.6 +/- 0.1 mm with a smooth surface. 3.7 WEATHERING RESISTANCE (A1/A2 only) After exposure in accordance with para 3.7.1, 3.7.2 and 3.7.3 the material shall show no color change in excess of specified Gray Scale rating (AATCC Evaluating Procedure
14、1/ISO 105-A02). In addition, there shall be no cracking, crazing or other deterioration. Specimen bent around 25 mm diameter mandrel shall not show any cracks when examined in bent condition. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved by wash
15、ing with mild detergents and water (ratio 5:95 by volume). All initial approvals will be based on the preliminary Weatherometer exposure, pending Florida exposure results for final approval. 3.7.1 Xenon Arc Weatherometer Rating 4 (SAE J1960, 1250 kJ/m2exposure min, specimen size: 150 x 100 mm min, 2
16、.0 +/- 0.2 mm thickness) 3.7.2 12 months Florida and Arizona Rating 4 (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm min, 2.0 +/- 0.2 mm thickness) 3.7.3 24 months Florida and Arizona Rating 3 - 4 (SAE J1976, 5 south, direct weathering inland, specimen size: 150 x 100 mm
17、min, 2.0 +/- 0.2 mm thickness) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications. ENGINEERING MATERIAL SPECIFICATIONWSB-M2D462-A1/A2/A3 Printed copies are uncontrolled Copyright 2010, Ford Global Techno
18、logies, LLC Page 4 of 4 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION, m/m C x 1-5(ASTM E 831 TMA) A1 A2 A3 Flow Direction (Machine Direction) 19.2 21.2 16.9 Transverse to Flow (Cross Machine) 34.4 25.5 23.7 5.2 MOLD SHRINKAGE, % (ISO 2577, approximately 150 x 100 x 2.0 +/- 0.2 mm injection molded pla
19、que, separate specimens required for each test) . After 48 h at 23 +/- 2 C Flow Direction (MD) - - 2.4 Transverse to Flow (CMD) - - 1.0 . After 48 h at 80 C Flow Direction (MD) 1.9 1.1 1.1 Transverse to Flow (CMD) 0.7 0.5 0.4 . After 30 minutes at 120 C Flow Direction (MD) 4.3 2.6 2.2 Transverse to Flow (CMD) 0.8 0.7 0.3 5.3 OZONE RESISTANCE, max Rating 0 (FLTM BP 101-01, Procedure A, tensile specimen, at 50% elongation) 5.4 RECYCLING CODE TE (PE-C)
