FORD WSS-M4D750-B1-2017 POLYBUTYLENE TEREPHTHALATE (PBT) 15% GLASS FIBER REINFORCED MOLDING COMPOUND TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 0 2017 07 27 Released L. Rabideau, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies, LLC Page 1 of 8 POLYBUTYLENE TEREPHTHALATE (PBT), 15% GLASS WSS-M4D750-B1 FIBER REINFORCED, MOLDING COMPOUND 1. SCOPE The mate

2、rial defined by this specification is a 15% glass fiber reinforced thermoplastic polyester molding compound based on polybutylene terephthalate (PBT). 2. APPLICATION This specification was originally released for material used in electrical connectors. 2.1 LIMITATIONS This material does not contain

3、UV stabilizers, long-term exposure to direct sunlight will cause chalking and loss of gloss. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed

4、on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. Approval of new sources requires the completion of the latest version of the FMD template. Data should be submitted at the same time as the

5、 specification data package. Only one FMD package is required per trade name approved. FMD data is not required for each manufacturing site. FMD is required for new site approvals that do not have an existing FMD record. 3.2 CONDITIONING AND TEST CONDITIONS All test values are based on material cond

6、itioned for not less than 24 h prior to testing in a controlled environment of 23 +/- 2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms fro

7、m initial material approval shall constitute the reference standard and shall be kept on file at the designated material laboratory. The material supplier shall ensure that all future material supplied to the specification shall produce IR spectra and thermograms that correspond to the reference sta

8、ndard when tested under the same conditions. 3.4 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS 3.4.1 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, m

9、aximum or range was established using 3 sigma data. For 2011 and beyond, refer to Table 1 for number of samples required for each test. ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 2 of 8 3.4.2 This specification is based on virgin material and

10、does not allow the addition of recycled content (PIR/PCR). 3.4.3 Materials requiring High Strain Rate, Creep or fiber oriented Tensile Modulus may be required to test to the requirements of WSS-M99D68-A1/Latest, Thermoplastic Property Determination For CAE, High Strain Rate Tensile, Creep and Tensil

11、e Modulus. Material Suppliers should be prepared to submit data upon request. 3.4.4 Performance Criteria: Parts using this specification for non-visible interior applications must meet the appropriate performance specification: WSS-M15P4-G/Latest. Parts using this specification for underhood applica

12、tions must meet the appropriate performance specification: WSS-M15P50-C1/C2/Latest. 3.4.5 Ford Materials Engineering may request a Control Plan and Certificate of Analysis (C of A) containing lot testing requirements which must include, but are not limited to: Filler Content Impact Strength, Notched

13、 Charpy at 23 C Flexural Modulus 3.5 SAMPLE PREPARATION All tests shall be carried out on production materials manufactured from the production process unless correlation to a non-production process has been reviewed and approved by Ford Materials Engineering. Unless otherwise specified all tests sh

14、all be carried out on injection molded, one-end gated test specimens. The test specimens A and D shall be molded using molding conditions defined in 7792-2. No additional annealing is allowed. See Tables 1 and 2 for the number of samples required. Specimens shall be as follows: Specimen A 150 minimu

15、m 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 Specimen C 145 x 60 x 3.2 +/- 0.2 mm Specimen D 80 x 10 x 4.0 +/- 0.2 mm (may be cut from the center of Specimen A) Specimen E 100 mm diameter x 3.2 mm Specimen F 80 mm diameter x 3.2 mm Specimen G 90 mm x 20

16、0 mm Specimen H 50 +/- 1 mm diameter x 3.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min 3.6 MATERIAL PROPERTIES 3.6.1 Melt Flow Rate 32 - 38 g/ (ISO 1133, 250 C, 2.16 kg) 10 minutes The material shall be dried for 4 h minimum at 130 - 135 C in a mechanical convection oven immediately preceding the tes

17、t. 3.6.2 Glass Fiber Content 14 - 16 % (ISO 3451-1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hydrochloric acid solution for 15 minutes. Rinse the glass fibers several times with distilled water before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calc

18、ulate the percent glass fibers.) ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 3 of 8 3.6.3 Density 1.38 - 1.42 g/cm3 (ISO 1183, Method A) 3.6.4 Tensile Strength at Break 85 MPa min (ISO 527-1 and ISO 527-2, Specimen A, 5 mm/minute test speed) 3.

19、6.5 Tensile Modulus 5.5 GPa min (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.6.6 Flexural Modulus 5.2 GPa min (ISO 178, Specimen D, 64 mm support span, 2 mm/minute test speed) 3.6.7 Impact Strength, Notched Charpy (ISO 179-1/1eA, Specimen D) 3.6.7.1 At 23 +/- 2 C 5.2 kJ/m2 min Rep

20、ort Break Type 3.6.7.2 At -40 +/- 2 C 4.8 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, b

21、ut within 5 seconds. Test specimens must be reviewed by Materials Engineering. 3.6.8 Heat Deflection Temperature 194 C min (ISO 75-1 and ISO 75-2, Specimen D, flatwise, Bath silicone oil, 0.34 +/- 0.1 mm deflection at 1.80 MPa) 3.6.9 Heat Aging Performance (1000 h at 140+/- 2 C. After heat aging tes

22、t 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) 3.6.9.1 Tensile Strength, Change +/- 20% max (Test Method per para 3.6.4) 3.6.9.2 Impact Strength, Notched Charpy, Change +/- 20%

23、max (Test Method per para 3.6.7, specimens to be notched before Heat Aging) 3.6.10 Flammability (ISO 3795 Specimen B, smooth surface) Burn Rate 100 mm/minute max ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 4 of 8 3.6.11 Electric Strength of Ins

24、ulating Materials (IEC 60243 in insulating oil, 3.2 +/- 0.2 mm thick specimen) 3.6.11.1 Short Time 20 kV/mm min 3.6.11.2 Step by Step 22 kV/mm min (5 - 10 kV starting voltage, 20 s steps) 3.7 MATERIAL PROPERTIES REPORT ONLY 3.7.1 Molding Shrinkage (Report method used, sample size and value) After 48

25、 h at 23 +/- 2 C Flow Report Value, % Cross Flow Report Value, % Note: Shrinkage values are determined on plaque samples and represent approximate values. Part shrinkage can be affected by molding conditions, part thickness and geometry. 3.7.2 Coefficient of Linear Thermal Expansion (ISO 11359-2) Fl

26、ow Report Value, E-5 mm/mm/ C Cross Flow Report Value, E-5 mm/mm/ C 3.7.3 Melt Volume Rate Report Range, cm3/10 min (ISO 1133, 260 C, 2.16 kg, extrudate volume in cm3/10 minutes) The material shall be dried for min of 4 h at 130 - 135 C in a mechanical convection oven immediately preceding the test.

27、 3.7.4 Melt Temperature Report Value, C (ISO 11357, 10 C/min heating rate) 3.7.5 Heat Deflection Temperature Report Value, C (ISO 75-1 and ISO 75-2, Specimen D, flatwise, Bath silicone oil, 0.34 +/- 0.1 mm deflection. At 0.45 MPa) 3.7.6 Poissons Ratio Report Ratio (ISO 527-1 and ISO 527-2, Specimen

28、A, 1 mm/minute test speed) 3.7.7 Supplemental Information The following curves are to be submitted with the data packages: FTIR TGA DSC first and second heat CLTE Engineering Stress/Strain at 23 C, 80 C, -40 C ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies,

29、 LLC Page 5 of 8 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 IN SECTION 3.7 Para. Test Ty

30、pical Value Units 3.7.1 Molding Shrinkage (Report method used, sample size and value - After 48 h at 23 +/- 2 C) Flow Cross Flow 0.5-0.8 1.0-1.6 % 3.7.2 Coefficient of Linear Thermal Expansion Flow Cross Flow 3 27 E-5 mm/mm/ C 3.7.3 Melt Volume Rate 58 cm3/10 min 3.7.4 Melt Temperature 220-225 C 3.7

31、.5 Heat Deflection Temperature 212-218 C 3.7.6 Poissons Ratio 0.35 4.2 GENERIC IDENTIFICATION AND MARKING OF PLASTIC PRODUCTS PBT-GF15 (ISO 1043/11469) 4.3 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Pro

32、duct Development, and Materials Engineering. The supplier shall submit a completed copy of their laboratory test reports, signed by a qualified and authorized representativeof the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material sa

33、mples must be available for review upon request and kept for a minimum of one year. Upon request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.4 SUPPLIERS ONGOING RESPONSIBILITY All ma

34、terials must be equivalent in all characteristics to the material upon which approval was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify th

35、e affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 6 of 8 proposed changes (with reasons) by submission of a completed Suppliers Request for Engine

36、ering Approval, SREA. For parts and components using Ford Engineering Material Specifications, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.5 RESTRICTED SUBSTANCE M

37、ANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction applies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to co

38、mply with this standard on a continuing basis through IMDS and or GMAP reporting. 4.6 ADDITIONAL REQUIREMENTS Requirements beyond those explicitly stated in this document and the material specification may be specified on the Engineering drawing, Engineering specification (ES), performance specifica

39、tion, System Design Specification (SDS) and/or Attribute Requirement List (ARL). ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 7 of 8 Table 1: Minimum Sample Size The number of samples and tests for a site location change represents the minimums.

40、 If additive packages or raw materials are changed, additional testing/samples may be prescribed at the discretion of the Materials Engineer. Initial Approval and/or Initial Approval in a New Region and New Manufacturing Location Approval for Recycled Materials Additional Manufacturing Location for

41、Previously Approved Material Recycled Grades may want to remove these columns. Para. Test Minimum Lots Specimens per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 3.4.4 WSS-M15P4-G (interior non-visible applications) WSS-M15P50-C1/C2 (underhood applications) Reference the Perf

42、ormance Specification 3.6.1 Melt Flow Rate (may be moved to Report Only section) 3 1 3 3 1 3 3.6.2 Glass Fiber Content 3 1 3 1 1 1 3.6.3 Density 1 3 3 1 3 3 3.6.4 Tensile Strength at Break 3 5 15 1 5 5 3.6.5 Tensile Modulus 1 10 10 3.6.6 Flexural Modulus 3 10 30 1 10 10 3.6.7.1 Impact Strength, Notc

43、hed Charpy at 23 +/- 2 C 3 10 30 1 10 10 3.6.7.2 Impact Strength, Notched Charpy at -40 +/- 2 C 3 10 30 1 10 10 3.6.8 Heat Deflection Temperature at 1.80 Mpa 3 2 6 1 2 2 3.6.9 Heat Aging Performance 3.6.9.1 Tensile Strength at Break, Change 1 5 5 3.6.9.2 Impact Strength, Notched Charpy, Change 1 10

44、10 3.6.10 Flammability 1 5 5 3.6.11 Electric Strength of Insulating Materials 3.6.11.1 Short Time 1 3 3 ENGINEERING MATERIAL SPECIFICATION WSS-M4D750-B1 Copyright 2017, Ford Global Technologies, LLC Page 8 of 8 3.6.11.2 Step by Step 1 3 3 3.7.1 Molding Shrinkage (Report method used, sample size and

45、value) - After 48 h at 23 +/- 2 C Flow Cross Flow 1 5 5 1 5 5 3.7.2 Coefficient of Linear Thermal Expansion Flow Cross Flow 1 3 3 3.7.3 Melt Volume Rate 3 1 3 3.7.4 Melt Temperature 3 1 3 3.7.5 Heat Deflection Temp at 0.45 MPa 1 3 3 3.7.6 Poissons Ratio 1 2 2 1 2 2 3.7.7 Curves - IR - TGA - DSC (first and second heat) - CLTE (3 flow & 3 cross flow) - Stress/Strain Curves (at -40 / 23 / 80 2 C) 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