1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1992 12 01 Released NB00I10043054212 D.M. Keller Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 THERMOPLASTIC POLYURETHANE ELASTOME
2、R (TPUR) WSB-M4D862-A 60 D HARDNESS, 15% GLASS FIBER REINFORCED MOLDING COMPOUND 1. SCOPE The material defined by this specification is a glass fiber reinforced thermoplastic polyurethane (TPUR) injection molding compound. 2. APPLICATION This specification was released originally for material used f
3、or painted bodyside moldings. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.2 Glass Fiber Content 12 - 18% (ISO 3451/1, Me
4、thod A, 1 g of pellets, at 350 +/- 10 C) 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 following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO
5、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 be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.25 - 1.35 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Hardn
6、ess, Durometer D 60 +/- 5 (ISO 868/ASTM D 2240, 15 s dwell) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D862-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.5.4 Tensile Strength at Max Load, min 20 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm spe
7、cimen, 5 mm/min test speed) 3.5.5 Flexural Modulus, min 275 MPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span, the radius of the loading nose 5.0 +/- 0.1 mm and of the supports 2.0 +/- 0.2 mm) 3.5.6 Shear Modulus at 23 C 100 -
8、 175 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 temperature interval - 3 minutes minimum) Additionally, a
9、Shear Modulus vs. 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 4. 3.5.7 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specim
10、ens for each test) 3.5.7.1 At 23 +/- 2 C 30 kJ/m 3.5.7.2 At -40 +/- 2 C 7 kJ/m 3.5.7.3 At 0 +/- 2 C 20 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, if not possible, t
11、est can be conducted outside, but within 5 s. 3.5.8 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm) 3.5.8.1 At 1.80 MPa 30 C 3.5.8.2 At 0.45 MPa 45 C ENGINEERING MATERIAL SPECIFICATIONWSB-M4D862-APrinted copies are
12、uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.5.9 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Change +/
13、- 25% (Test Method per para 3.5.4) 3.5.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.7.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 0.5 +/- 0.1 mm with a smo
14、oth surface. 3.7.1 Regrind 20% maximum of regrind produced from molded and/or painted parts is acceptable, providing all requirements of this specification are met. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this spe
15、cification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.0-5/ C (ASTM D 696) 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 0.2% 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 0.2% 5.3 RECYCLING CODE TPUR-GF15 ENGINEERING MATERIAL SPECIFICATIONWSB-M4D862-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
