1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2016 05 02 Editorial See Summary of Revisions M. Corley, EU 2014 02 18 Released T.Nover, M. Corley, EU Controlled document at www.MATS Copyright 2016, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP) COPOLYMER, MEDIUM WSS-M
2、4D932-B1 IMPACT COMPOUND, BLOW MOLDED, UNDERHOOD POLYPROPYLENE (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
3、materials. 2 APPLICATION WSS-M4D932-B1 This specification was 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 LIMITA
4、TIONS This material does not contain UV stabilizers, long term 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
5、 Materials (WSS-M99P1111-A). 3.1.1 Many 4D resin specifications 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 b
6、eyond, refer to Table 2 for number of samples required for each 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 whenev
7、er technically feasible and following all materials and PV testing 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 usi
8、ng this specification shall meet the appropriate performance 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 SPE
9、CIFICATION WSS-M4D932-B1/B2 Copyright 2016, Ford Global Technologies, 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
10、thickness of the part and are not machined to meet the thickness 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 Met
11、hod. The test specimens A and D shall be molded using molding 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) S
12、pecimen C 145 x 60 x 3.2 +/- 0.2 mm Specimen D Center of Specimen 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.
13、1 Density 0.885- 0.92 g/cm3 (ISO 1183, Method A) 3.3.2 Tensile 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
14、and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.3.5 Flexural 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
15、kJ/m2,min Report Break Type 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. ENGINEERING MATERIAL
16、SPECIFICATION WSS-M4D932-B1/B2 Copyright 2016, Ford Global Technologies, 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 +
17、/- 2 C. After heat aging test specimens are to be conditioned 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 Str
18、ength, Notched Charpy, Change +/- 25%, max (Test Method per 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.
19、4.1 Melt Flow Rate Report Value, g/ 10, min (ISO 1133 230 C, 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
20、+/- 2 C) Flow Report Value, E-5 mm/mm/ C Cross Flow Report Value, 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-M4
21、D932-B1/B2 Copyright 2016, Ford Global Technologies, LLC Page 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, bu
22、t within 5 seconds 3.4.5 Heat Deflection Temperature Report 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 followin
23、g curves are to be submitted with the data packages: FTIR TGA 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 Mat
24、erial Specifications. 4.1 TYPICAL PROPERTIES USING METHODS IN 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 Expansi
25、on Flow Cross Flow 11 - 16 13 16 E-5 mm/mm/ C E-5 mm/mm/ C 3.4.4 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 201
26、6, Ford Global Technologies, LLC Page 5 of 5 4.2 MATERIAL IDENTIFICATION 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 Sp
27、ecimens 3.1 WSS-M99P1111-A 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 3.3.6 Impact Strength Notched Charpy (per condition)* 3 10 30 1 10 10 3.3.7 Heat Deflecti
28、on 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 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
29、 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. 5. SUMMARY OF REVISIONS 5-2-2016 Editorial Removed reference to WSS-M99P2222-D1 in table 2
