1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 01 2012 03 23 N Status Replaced by WSS-M4D865-B4 G. Eaton, NA 2005 06 07 Activated M. Myers Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 4 POLYPROPYLENE (PP) HOMOPOLYMER, 30% LONG GLASS FIBER WSS
2、M4D865-A4 AND MINERAL REINFORCED MOLDING COMPOUND NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an injection molding compound composed of a homopolymer polypropylene matrix, with 30% by weight long glass fiber reinforcement and mineral filler content. 2. APPLI
3、CATION This specification was released originally for material used for door module carrier plates. 3. REQUIREMENTS 3.1 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、1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values using latest ISO test methods. 3.1.2 This specification is based on virgin material only. The use of in-house regrind is not allowed unless the part is validated during PV testin
5、g with the documented level of regrind noted on the part drawing. 3.2 MOLDING COMPOUND (s) 3.2.1 Glass Fiber and Filler Content 27 33% (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on
6、 injection molded one-end gated test specimens. The following dimensions are required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795) Test specimen A shall be molded using molding conditions defined in ISO
7、1873-2. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.3.2 Density 1.08 1.13 g/cm3 (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATION WSS-M4D865-A4 Copyright 2012, Ford Global Technologies, LLC Page 2 of 4 (s) 3.3.3 Tensile Strength at
8、Break, min 75 MPa (ISO 527-1 150 x 1 x 4 mm specimen specimen A). Test speed shall be 5 mm/minute for all materials. Provide a curve of tensile stress versus strain using one specimen per lot at each of the following temperatures: 23 C, 80 C, 100 C and 120 C. Curve is shown on page 4. 3.3.5 Impact S
9、trength, Izod, notched (Initial Qualification), min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 3.3.5.1 At 23 +/- 2 C 12 kJ/m2 3.3.5.2 At - 40 +/- 2 C 12 kJ/m2 The test specimen must be conditioned for minimum of 6 hours at the above s
10、pecified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. (s) 3.3.6 Tensile Modulus, min 5.5 GPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen test speed: 1mm/mi
11、nute) (s) 3.3.7 Charpy, notched, min (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens 3.3.7.1 At 23 +/- 2 C 10 kJ/m2 3.3.7.2 At -40 +/- 2 C 14 kJ/m2 The test specimen must be conditioned for minimum of 6 hours at the above specified temperature prior to
12、impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. (s) 3.3.8 Heat Deflection Temperature, min 152 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34
13、/- 0.1 mm deflection. At 1.80 MPa) 3.3.9 Heat Aging Performance (ISO 188, except 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) ENGINEERING MATERIAL SPECIFICATION WSS-M4D865-A4 Copyright 2012, Ford Global
14、 Technologies, LLC Page 3 of 4 3.3.9.1 Tensile Strength at Break, Change +/- 25% 3.3.9.2 Impact Strength, Izod Change +/- 25% (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.4 ODOR, max Rating 2 (SAE J1351/FLTM BO 131-01) Interior Materials Only 3.5 FOGGING (SAE J1756, 3
15、h at 100 C 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. 3.6 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0
16、/- 0.1 mm (use specimen C) with a smooth surface. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ASTM E 831), temperature range -30 to +30 C) . Molding Di
17、rection 2.4-5/C . Transverse Direction 8.7-5/C 4.2 MOLD SHRINKAGE (ISO 294-3 and 294-4, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C . Molding Direction 0.25% . Transverse Direction 0.37% 4.2.2 Post Shrinkage (Separate specimens required for
18、each test) . After 48 h at 80 +/- 2 C . Molding Direction 0.27% . Transverse Direction 0.39% ENGINEERING MATERIAL SPECIFICATION WSS-M4D865-A4 Copyright 2012, Ford Global Technologies, LLC Page 4 of 4 4.3 Flexural Modulus, min 5.2 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) 4.4 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP - GF30 Stress vs. Strain 01020304050607080901000 0.5 1 1.5 2 2.5 3 3.5% StrainStress(MPa)+23C+80C+100C+120C
