1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 01 19 N-STATUS No replacement named J. Crist, NA 2006 04 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1992 03 17 Released NB00I10043054166 L. Graham Printed copies are uncontrolled Copyright 2010, Ford Global Technologies
2、, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, 26% MINERAL WSB-M4D842-A FILLED, COLOR PIGMENTED, INTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a molding compound based on polypropylene copolymer, 24 - 28% mineral (talc) filled, molded-in-color, low gl
3、oss, UV stabilized for unpainted interior applications. 2. APPLICATION This specification was released originally for material used for interior trim applications requiring high heat and excellent dimensional stability. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supp
4、liers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 13 - 21 g/ (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 10 minutes 3.4.2 Mineral Content 24 - 28% (ISO 3451/1, Method A, 650 +/- 25 C, talc) 3.5
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 3167) B. 120 x 10 x 4.0 +/- 0.2 mm Specimens
6、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 1.05 - 1.15 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D842-APrinted co
7、pies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 2 of 5 3.5.3 Tensile Strength at Max Load, min 21.0 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min) 3.5.4 Flexural Modulus, min 1.7 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/
8、- 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) 3.5.5 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. 6
9、0 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 Shear Modulus vs. Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plo
10、tted curve must be within tolerance range shown on page 5. 3.5.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 4.5 kJ/m 3.5.6.2 At -40 +/- 2 C 2.0 kJ/m3.5.6.3 At -20 +/- 2 C 2.3 kJ/mThe test sp
11、ecimens 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, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0
12、 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm) 3.5.7.1 At 1.80 MPa 45 C 3.5.7.2 At 0.45 MPa 95 C 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determi
13、nation) ENGINEERING MATERIAL SPECIFICATIONWSB-M4D842-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 5 3.5.8.1 Tensile Strength Change +/- 25% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens t
14、o 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 2.0 +/- 0.1 mm with a smooth surface. 3.7 WEATHERING RESISTANCE After exposure in accordance with 3.7.1 and 3.7.2 the material shall show no fading
15、 or 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 provided an acceptable appearance can be achieved by washing with mild det
16、ergents and water (ratio 5:95 by volume), or equivalent, after the Florida exposure. 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 4-5 (SAE J1885, 1240 kJ/m exposure minimum, sp
17、ecimen size: 150 x 100 mm minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold) 3.7.2 12 Months Florida Rating 4-5 (FLTM BI 160-01, 5 deg south, under glass, specimen size: 150 x 100 mm, minimum, 3.2 +/-0.2 mm thick, molded in smooth polished mold) 3.8 FOGGING (FLTM BO 116-03) Fog Number, m
18、in 90 Formation of excessive amounts of clear film or droplets is cause for rejection. ENGINEERING MATERIAL SPECIFICATIONWSB-M4D842-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 5 5. GENERAL INFORMATION The information given below is provided for clarificat
19、ion and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 7.0-5/ 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 1.0 - 1.2% 5.3 ELONGA
20、TION AT BREAK 15% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 63 (ISO 868/ASTM D 2240, 15 s dwell) 5.5 RECYCLING CODE SAE or PP-TD26 PP-TD26 OPTIONAL ENGINEERING MATERIAL SPECIFICATIONWSB-M4D842-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 5
