1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2013 04 03 N Status No replacement named L. Soreide, NA 2006 04 13 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10 & 4 1992 03 17 Released NB00I10043054165 L. Graham Controlled document at www.MATS Copyright 2013, Ford Global Te
2、chnologies, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, 15% MINERAL WSB-M4D841-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, 13 - 17% mineral (talc) filled, molded-in-col
3、or, low gloss, UV stabilized for unpainted interior applications. 2. APPLICATION This specification was released originally for material used for interior trim applications requiring very high impact, good abrasion resistance, and good dimensional stability. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS
4、 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 3.4.1 Melt Flow Rate 13 - 21 g/ (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) 10 minutes 3.4.2 Mineral Content 13 - 17% (ISO 345
5、1/1, 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 following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167)
6、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 0.95 - 1.05 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Str
7、ength at Max Load, min 18.0 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min) ENGINEERING MATERIAL SPECIFICATION WSB-M4D841-A Copyright 2013, Ford Global Technologies, LLC Page 2 of 5 3.5.4 Flexural Modulus, min 1.4 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10
8、 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) 3.5.5 Shear Modulus at 23 C 700 - 1170 MPa (ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen
9、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 Shear Modulus vs. Temperature curve shall be plotted for -50 to +150 C temperature range, at 5 C minimum intervals
10、. The plotted 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 10.0 kJ/m 3.5.6.2 At -40 +/- 2 C 4.0 kJ/m 3.5.6.3 At -20 +/- 2 C 5.5 kJ/m
11、 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, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 12
12、0 x 10 x 4.0 +/- 0.2 mm specimen, at standard deflection of 0.32 +/- 0.01 mm) 3.5.7.1 At 1.80 MPa 40 C 3.5.7.2 At 0.45 MPa 85 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 proper
13、ties determination) 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 to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATION WSB-M4D841-A Copyright 2013, Ford Global Technologies, LL
14、C Page 3 of 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 WEATHERING RESISTANCE After exposure in accordance with 3.7.1 and 3.7.2 the material shall show no fading or color change i
15、n 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 detergents and water
16、(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, specimen size: 150 x
17、 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 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, min 90 Formation of ex
18、cessive amounts of clear film or droplets is cause for rejection. 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 8.0-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (I
19、SO 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 1.1 - 1.4% ENGINEERING MATERIAL SPECIFICATION WSB-M4D841-A Copyright 2013, Ford Global Technologies, LLC Page 4 of 5 5.3 ELONGATION AT BREAK 100% (Test Method according to para 3.5.3) 5.4 HARDNESS, DUROMETER D 60 (ISO 868/ASTM D 2240, 15 s dwell) 5.5 RECYCLING CODE SAE or PP-TD15 PP-TD15 OPTIONAL ENGINEERING MATERIAL SPECIFICATION WSB-M4D841-A Copyright 2013, Ford Global Technologies, LLC Page 5 of 5
