1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2012 11 19 Re-Activated K. Mueller, NA 2009 11 19 N- STATUS No replacement named J. Crist, NA 2001 01 12 Activated M. Masserant F. Serina Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 3 POLYPROPYLENE,
2、 40% CALCIUM CARBONATE FILLED WSS-M4D365-B3 EXTRUSION GRADE- STAMPABLE 1. SCOPE The material defined by this specification is a 40% calcium carbonate filled thermoplastic extrusion grade compound based on polypropylene homopolymer. 2. APPLICATION This specification was released originally for materi
3、als used in wiring troughs. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials
4、(WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values. 3.4 MOLDING COMPOUND 3.4.1 Melt Flow Rate 0.5 - 1.5 g/10 min (ISO 1133, 230 C, 2.16 Kg) 3.4.2 Filler Content 37 - 43% (ISO 3451-1, Method A, (650 +/- 25 C, Ca
5、CO3) 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 minimum x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0 +/- 0.2
6、mm Specimens with shorter dimensions shall be cut from the center of the specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATION WSS-M4D365-B3 . Copyright 2012, Ford Global Technologies, LLC Page 2 of 3 3.5.2 Density 1.21-1.
7、29 g/cm3 (ISO 1183, Method A) 3.5.3 Tensile Strength at Yield, min 19 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, test speed: 5 mm/minute) 3.5.4 Flexural Modulus, min 2.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Impact Strength,
8、Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen,10 specimens for each test) 3.5.5.1 At 23 +/- 2 C 5.0 kJ/m2 3.5.5.2 At -40 +/- 1 C 2.0 kJ/m2 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
9、 done within the cold chamber. 3.5.6 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.6.1 At 1.80 MPa 50 C 3.5.6.2 At 0.45 MPa 80 C 3.5.7 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. Unaged p
10、roperty values shall be determined at the time of the aged properties determination) 3.5.7.1 Tensile Strength at Max +/- 15% Load, Change (Test Method per para 3.5.3) 3.5.7.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.5.1, specimens to be notched before heat aging) 3.6 FLAMMABILI
11、TY (ISO 3795/ SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.5 +/- 0.1 mm with a smooth surface. ENGINEERING MATERIAL SPECIFICATION WSS-M4D365-B3 . Copyright 2012, Ford Global Technologies, LLC Page 3 of 3 3.7 FOGGING (SAE J1756, 3 h at 100 C
12、 heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 90 Formation of clear film, droplets or crystals is cause for rejection. 3.8 ODOR (SAE J1351/ FLTM BO 131-01) Rating 2 max 5. GENERAL INFORMATION The information given below is provided for clarification and assistanc
13、e in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM E 831 TMA, temperature range -30 to 100 C) Flow 7.5 -5 Cross Flow 12.3 -5 5.2 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 5.2.1 Molding Shrinkage A
14、fter 24 h at 23 +/- 2 C 1.3 - 1.4% 5.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C 1.4 - 1.6% After 30 minutes at 120 C 1.5 - 1.7% 5.3 HARDNESS, DUROMETER D 64 (ISO 868, 15 seconds dwell) 5.4 ELONGATION AT BREAK 100% (ISO R 527) 5.5 MULTIAXIAL IMPACT 23 C, min 19 J (ASTM D 3763, 100mm disk, specimen thickness 3.2 mm) Test velocity at initial contact with the specimen to be 2.2 m/sec 5.6 RECYCLING CODE PP-KD40
