1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2013 12 09 Released R. Harris, NA Controlled document at www.MATS Copyright 2013, Ford Global Technologies, LLC Page 1 of 6 POLYPROPYLENE (PP) COPOLYMER, WSS-M4D1028-A2 MEDIUM IMPACT COMPOUND, INTERIOR 1. SCOPE The material defined by
2、this specification is a formed sheet, vacuum formed thermoplastic material based on polypropylene copolymer. 2. APPLICATION This specification was released originally for material used for B pillar reinforcement applications. 2.1 LIMITATIONS This material does not contain UV stabilizers, long term e
3、xposure to direct sunlight will 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 Note: Many 4D resin specifica
4、tions 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 values. For 2011 and beyond, refer to Table 1 for number of samples required f
5、or 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 whenever feasible. 3.1.3 The use of regrind is permitted, for
6、economic / environmental reasons, with compliance as indicated in Ford Engineering CAD and Drafting Standard E-4. 3.1.4 Materials used in interior applications must meet the requirements outlined in WSS-M99P2222-D1/Latest, Performance, Vehicle Interior Environment Quality Material/Component Requirem
7、ents. Data must be included in material submission package. 3.1.5 Performance Criteria: Parts using this specification shall meet the appropriate performance specifications, WSS-M15P4-F/Latest. 3.1.6 As specified in WSS-M99P1111-A, paragraph 3.2, Ford Materials Engineering may request a Control Plan
8、 and Certificate of Analysis (CoA) containing lot testing requirements which must include, but are not limited to: Melt Flow Rate Impact Strength, Notched Charpy at 23C ENGINEERING MATERIAL SPECIFICATION WSS-M4D1028-A2 Copyright 2013, Ford Global Technologies, LLC Page 2 of 6 Flexural Modulus 3.2 SA
9、MPLE 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 thickness requirements of the Standar
10、d 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 molding conditions defined in ISO 1873
11、-2. See Table 1 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 Specimen A, 80 x 10 x 4.0 +/- 0.2 m
12、m 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 Melt Flow Rate 0.9 1.7 (ISO 1133/ASTM D 1238, 230 C, 2.16 kg) g/10 minutes 3.3.2 Density 0
13、.88 0.92 g/cm3 (ISO 1183, Method A) 3.3.3 Tensile Strength at Yield 21 MPa 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, 50 mm/minute test speed) 3.3.5 Flexural Modulus 1100 - 1250 MPa (ISO 178, Specimen D,
14、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 45 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 conditioned for minimum of 6 hours at the above specifie
15、d 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-M4D1028-A2 Copyright 2013, Ford Global Technologies, LLC Page 3 of 6 3.3.7 Heat Deflection T
16、emperature 44C 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 120 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged pr
17、operty 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 3.3.3) 3.3.8.2 Impact Strength, Notched Charpy, Change - 25% max (Test Method per Para 3.3.7, specimens to be notched before Heat Aging) 3.3
18、.9 Odor Rating 3 max (FLTM BO 131-03, Variant C, Specimen G) 3.3.10 Fogging Photometric (SAE J1756, Specimen F, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 70 min Formation of clear film, droplets or crystals is cause for rejection. 3.3.11 Flammability (ISO 3795
19、/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 Molding Shrinkage (ISO 294-3 and 294-4/ISO 2577, 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen B) After 48 h at 23 +/- 2 C Flow Report Va
20、lue, % Cross Flow Report Value, % ENGINEERING MATERIAL SPECIFICATION WSS-M4D1028-A2 Copyright 2013, Ford Global Technologies, LLC Page 4 of 6 3.4.2 Coefficient of Linear Thermal Expansion (ISO 11359-2 TMA) -30 +/- 2 C to 100 +/- 2 C Flow Report Value, mm/mm/ C Cross Flow Report Value, mm/mm/ C 3.4.3
21、 Flexural Modulus Report Value, GPa (ISO 178, Specimen D, 64 mm support span, 2 mm/minute test speed 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 The test specimen
22、 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 Value, C min (ISO 75-1 an
23、d 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: TGA FTIR DSC CLTE Engineering Stre
24、ss/Strain at 23 C, -40 C, 80 C ENGINEERING MATERIAL SPECIFICATION WSS-M4D1028-A2 Copyright 2013, Ford Global Technologies, LLC Page 5 of 6 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. . Contact for
25、 questions concerning Engineering Material Specifications. 4.1 TYPICAL PROPERTIES USING METHODS IN SECTION 3.4 Para. Test Typical Value Units 3.4.1 Molding Shrinkage After 48 h at 23 +/- 2 C Flow Cross Flow 1.4 1.4 % % 3.4.2 Coefficient of Linear Thermal Expansion -30 to 100 C Flow Cross Flow 13.1 1
26、4.9 E-5 mm/mm/ C E-5 mm/mm/ C 3.4.3 Flexural Modulus Report Value GPa 3.4.4 Impact Strength, Notched Izod At 23 +/- 2C At -40 +/- 2C 43.0 83.6 2.3 7.6 kJ/m kJ/m 3.4.5 Heat Deflection Temperature At 0.45 MPa 69 - 85 C 3.4.6 Poissons Ratio 0.4 N/A 4.2 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP
27、(ISO 1043/11469 ENGINEERING MATERIAL SPECIFICATION WSS-M4D1028-A2 Copyright 2013, Ford Global Technologies, LLC Page 6 of 6 Table 1: Minimum Sample Size Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens per Lot Total Test Specimens Lots Sp
28、ecimens per lot Total Test Specimens 3.1 WSS-M99P1111-A 3.1.4 WSS-M99P2222-D1/Latest Total Carbon, Hazardous Substances, Formaldehyde, Acraldehyde, Acetaldehyde (See below for Odor and Fogging) 1 1 1 per test 3.1.5 Part Performance Reference Performance Specification 3.3.1 Melt Flow* 3 1 3 1 1 1 3.3
29、.2 Density 1 3 3 1 3 3 3.3.3 Tensile Strength at Yield* 3 5 15 1 5 5 3.3.4 Tensile Modulus 3 10 30 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 Deflection Temperature* 1.80 MPa 3 2 6 1 2 2 3.3.8 Heat Aging Performance
30、 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 Odor 1 9 9 3.3.10 Fogging (Photometric) 1 3 3 3.3.11 Flammability 1 5 5 3.4.1 Mold Shrinkage 1 5 5 1 5 5 3.4.2 Coefficient of Linear Thermal Expansion 1 3 3 3.4.3 Flexural Modulus 1 10 10 3.4.4 Impact Strength, Notched Izod 1 10 10 3.4.5 Heat Deflection Temperature 0.45 MPa 3 2 6 3.4.6 Poissons Ratio 1 2 2 3.4.7 Curves - FTIR - TGA - DSC - CLTE - Stress / Strain 1 1 1 per test * For these requirements the 3 sigma value from the raw data is used to meet the requirements.
