1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2014 02 18 Released T.Nover, M. Corley, EU Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, MEDIUM WSS-M4D932-B1 IMPACT COMPOUND, BLOW MOLDED, UNDERHOOD POLYPROPYLE
2、NE (PP) COPOLYMER, MEDIUM WSS-M4D932-B2 IMPACT COMPOUND, INJECTION MOLDED, UNDERHOOD 1 SCOPE The material defined by this specification is an unfilled thermoplastic molding compound based on polypropylene copolymer. These are non UV-stable materials. 2 APPLICATION WSS-M4D932-B1 This specification wa
3、s released originally for material used for blow molded windshield washer solution reservoirs. WSS-M4D932-B2 This specification was released originally for material used for injection molded windshield washer solution reservoirs. 2.1 LIMITATIONS This material does not contain UV stabilizers, long te
4、rm exposure to direct sunlight could cause chalking and loss of gloss. 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). 3.1.1 Many 4D resin specificati
5、ons prior to 2011, identified certain requirements with the symbol (s), which indicated that the mean and +/- 3 sigma values were to be reported. The specification minimum, maximum or range was established using 3 sigma data. For 2011 and beyond, refer to Table 2 for number of samples required for e
6、ach test. 3.1.2 This specification is based on virgin materials, however materials with recycled content as defined by WRS-M99P42-A1 (post-consumer and/or postindustrial recyclates and repolymerised recycled materials) should be used whenever technically feasible and following all materials and PV t
7、esting required by Ford Materials Engineering. 3.1.3 The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in Ford Engineering CAD and Drafting Standard E-4 3.1.4 Performance Criteria: Parts using this specification shall meet the appropriate performance
8、 specifications, WSS-M15P50-B/Latest. 3.1.5 As specified in WSS-M99P1111-A, paragraph 3.2, Ford Materials Engineering may request a Control Plan and Certificate of Analysis (CoA) containing lot testing requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-B1/B2 Copyright 2014, Ford Global Tech
9、nologies, LLC Page 2 of 5 3.2 SAMPLE PREPARATION Unless otherwise specified all tests shall be carried out on test specimens cut (in accordance with the ISO methods specified) from blow molded parts. Specimens are tested with the as-molded thickness of the part and are not machined to meet the thick
10、ness requirements of the Standard Test Methods except where necessary for fixturing. Greater variation in test values can be anticipated when evaluating materials that are thinner than recommended by an applicable Industry Standard/Test Method. The test specimens A and D shall be molded using moldin
11、g conditions defined in ISO 1873-2. See Table 2 for the number of samples required. Specimens shall be as follows: Specimen A 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 527-2, Specimen Type 1A) Specimen B 355 x 100 x 1.0 +/- 0.1 mm (ISO 3795) Specimen C 145 x 60 x 3.2 +/- 0.2 mm Specimen D Center of Spe
12、cimen A, 80 x 10 x 4.0 +/- 0.2 mm Specimen E 100 mm diameter x 3.2 mm Specimen F 80 mm diameter x 3.2 mm Specimen G 90 mm x 200 mm Specimen H 50 +/- 1 mm diameter x 3.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min 3.3 MATERIAL PROPERTIES 3.3.1 Density 0.885- 0.92 g/cm3 (ISO 1183, Method A) 3.3.2 Tensi
13、le Strength at Yield 20 MPa, min (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed) 3.3.3 Elongation at Yield 5 %, min (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed) 3.3.4 Tensile Modulus 0.9 GPa, min (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.3.5 Fle
14、xural Modulus 0.8 GPa, min (ISO 178, Specimen D, 64 mm support span, 2 mm/minute test speed) 3.3.6 Impact Strength, Notched Charpy (ISO 179-1/1eA, Specimen D) 3.3.6.1 At 23 +/- 2 C 12 kJ/m2, min Report Break Type 3.3.6.2 At -40 +/- 2 C 2.0 kJ/m2,min Report Break Type The test specimen must be condit
15、ioned for minimum of 6 hours at the above specified 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. ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-B1/B2 Copyright 2014, Ford Global T
16、echnologies, LLC Page 3 of 5 3.3.7 Heat Deflection Temperature 41 C, min (ISO 75-1 and ISO 75-2, Specimen D, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) 3.3.8 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h at 100 +/- 2 C. After heat aging test specimens are to be conditione
17、d in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.3.8.1 Tensile Strength at Yield, Change +/- 25%, max (Test Method per para 3.3.4) 3.3.8.2 Impact Strength, Notched Charpy, Change +/- 25%, max (Test Method per
18、para 3.3.8.1, specimens to be notched before Heat Aging) 3.3.9 Flammability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate 100 mm/minute, max 3.4 MATERIAL PROPERTIES REPORT ONLY Values are retained in Ford Materials Database . 3.4.1 Melt Flow Rate Report Value, g/ 10, min (ISO 1133 230 C,
19、 2.16 kg) 3.4.2 Molding Shrinkage (Report method used, sample size and value) After 48 h at 23 +/- 2 C Flow Report Value, % Cross Flow Report Value, % 3.4.3 Coefficient of Linear Thermal Expansion (ISO 11359-2, -30 +/- 2 C to Tg, Tg to 100 +/- 2 C) Flow Report Value, E-5 mm/mm/ C Cross Flow Report V
20、alue, E-5 mm/mm/ C 3.4.4 Impact Strength, Notched Izod (ISO 180/1A, Specimen D) 3.4.4.1 At 23 +/- 2 C Report Value kJ/m2 Report Break Type 3.4.4.2 At -40 +/- 2 C Report Value kJ/m2 Report Break Type ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-B1/B2 Copyright 2014, Ford Global Technologies, LLC Pag
21、e 4 of 5 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 done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds 3.4.5 Heat Deflection Temperature Report
22、Value, C, min (ISO 75-1 and ISO 75-2, Specimen D, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa) 3.4.6 Poissons Ratio Report Ratio (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.4.7 Supplemental Information The following curves are to be submitted with the data packages: FTIR TG
23、A DSC CLTE Engineering Stress/Strain at 23 C 4 GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 TYPICAL PROPERTIES USING METHODS I
24、N SECTION 3.4 Table 1 Para. Test Typical Value Units 3.4.1 Melt Flow Rate B1 B2 0.2 - 4.5 3.5 g/10 min g/10 min 3.4.2 Molding Shrinkage After 48 h at 23 +/- 2 C Flow Cross Flow 1.1 1.8 1.0 1.7 % % 3.4.3 Coefficient of Linear Thermal Expansion Flow Cross Flow 11 - 16 13 16 E-5 mm/mm/ C E-5 mm/mm/ C 3
25、4.4 Impact Strength, Notched Izod At 23 +/- 2C At -40 +/- 2C 15 - 60 2 - 8 kJ/m kJ/m 3.4.5 Heat Deflection Temperature At 0.45 MPa 60 - 85 C 3.4.6 Poissons Ratio 0.3 0.5 N/A ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-B1/B2 Copyright 2014, Ford Global Technologies, LLC Page 5 of 5 4.2 MATERIAL ID
26、ENTIFICATION FOR RECYCLING PURPOSES PP (ISO 1043/11469) Table 2 Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 3.1 WSS-M99P1111-A WSS-M99P2222-D1/Latest Total Carb
27、on, Hazardous Substances, Formaldehyde, Acraldehyde, Acetaldehyde (See below for Odor and Fogging) 1 1 1 per test 3.3.1 Density 1 3 3 1 3 3 3.3.2 Tensile Strength at Yield * 3 5 15 1 5 5 3.3.3 Elongation at Yield * 3 5 15 1 5 5 3.3.4 Tensile Modulus 1 10 10 3.3.5 Flexural Modulus* 3 10 30 1 10 10 3.
28、3.6 Impact Strength Notched Charpy (per condition)* 3 10 30 1 10 10 3.3.7 Heat Deflection Temperature* At 1.80 MPa 3 2 6 1 2 2 3.3.8 Heat Aging Performance 3.3.8.1 Tensile Strength at Yield, Change 1 5 5 3.3.8.2 Impact Strength, Notched Charpy, Change 1 10 10 3.3.9 Flammability 1 5 5 3.4.1 Melt Flow
29、 Rate* 3 1 3 1 1 1 3.4.2 Mold Shrinkage 1 5 5 1 5 5 3.4.3 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.4.4 Impact Strength, Notched Izod (per condition) 1 10 10 3.4.4 Heat Deflection Temperature At 0.45 MPa 3 2 6 1 2 2 3.4.6 Poissons Ratio 1 2 2 1 2 2 Curves - IR - TGA - DSC - CLTE Stress/Strain Curves 1 1 1 per test - * For these requirements the 3 sigma value from the raw data is used to meet the requirements.
