1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 3 2016 04 11 Revised Released B2 and revised B1 G. Kowalski, NA 2015 11 11 Revised Lowered heat age temperature G.Kowalski, NA 2012 06 07 Released B1 released 2012 06 07 B2 released 2016 03 08 N. Benipal, NA Controlled document at www.MA
2、TS Copyright 2016 Ford Global Technologies, LLC Page 1 of 8 POLYAMIDE (PA) 66 IMPACT MODIFIED, HEAT STABILIZED WSS-M4D706-B1 MOLDING COMPOUND POLYAMIDE (PA) 66, IMPACT MODIFIED, HEAT STABILIZED WRS-M4D706-B2 MOLDING COMPOUND, 100% PCR AND/OR PIR RECYCLED RESIN CONTENT 1. SCOPE The material defined b
3、y this specification is a thermoplastic impact modified compound based on polyamide 66. 2. APPLICATION B1: This specification was released originally for material used for carbon canisters. B2: This specification was released originally for clips and tie strap applications. 3 LIMITATIONS This materi
4、al absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties due to moisture absorption or loss in the service/assembly environment. This material does not contain UV stabilizers, long term exposure to direct sunlight will cause chal
5、king and loss of gloss. This material is not suitable for direct long term exposure to engine coolant, or direct exposure to strong acids or bases. It is not sutable for use above 150 C. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification is part of the Ford Co-Managed Buy (CMB) agreement. Tier
6、1 Molders who are participating under the CMB agreement must use one the following approved sources (deviations require approval from Raw Materials Purchasing and Materials Engineering): Specification North American Programs European Programs WSS-M4D706-B1 BASF Ultramid A3L HP DuPont Zytel MT409AHS
7、BASF Ultramid A3L HP DuPont Zytel MT409AHS WRS-M4D706-B2 Wellman Ecolon NYT3000 Molders not on the CMB program or regions without CMB are required to use materials as listed in in the Ford Approved Source List (), and are also encouraged to use the CMB sources listed above. This specification requir
8、es the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is listed 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 Engi
9、neer. ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2 Copyright 2016, Ford Global Technologies, LLC Page 2 of 8 3.2 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS 3.2.1 Many 4D resin specifications prior to 2011, identified certain requirements with the symbol (s), which indicated tha
10、t 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 1 for the number of samples required for each test. 3.2.2 The use of regrind is permitted, for economic / environmental reasons.
11、Part manufacturers using this specification must complete DV and PV testing with the allowable amount of regrind and the maximum allowable regrind content must be specified on the engineering drawing. Any changes to what is specified on the drawing (no specific amount implies zero regrind) must be a
12、pproved by Materials and PD Engineering through the formal Ford Motor Company process (SREA). 3.2.3 WSS-M4D706-B1 is based on virgin materials. 3.2.4 WRS-M4D706-B2 must contain 100% Post Consumer Recycled (PCR) and/or Post Industrial Recycled (PIR) resin content as defined by WRS-M99P42-A1. 3.2.5 Dr
13、y as molded: All test values indicated herein are based on material and specimens with moisture content not exceeding 0.2% except where noted (Moisture Conditioned, see paragraph 3.5.8) (test according to ISO 15512 Method B/ASTM D6869). All test materials have to be sealed in moisture-proof containe
14、rs and stored at 23 +/- 2 C for at least 24 h immediately after processing. If the moisture content exceeds 0.2%, condition the material for a minimum of 16 h at 40 50 C at a reduced pressure below 133 kPa. Conduct tests in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity. Indiv
15、idual specimens shall not be removed from closed containers until immediately before testing. 3.2.6 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 St
16、rain Rate Tensile, Creep and Tensile Modulus. Material Suppliers should be prepared to submit data upon request. 3.2.7 Performance Criteria: Parts using this specification shall meet the appropriate performance specifications: WSS-M15P50-B/Latest 3.2.8 Ford Materials Engineering may request a Contro
17、l Plan and Certificate of Analysis (C of A) containing lot testing requirements which must include, but are not limited to: Melt Flow Rate (not for filled materials) Filler Content Impact Strength, Notched Charpy at 23 C Flexural Modulus ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2
18、 Copyright 2016, Ford Global Technologies, LLC Page 3 of 8 3.3 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 otherw
19、ise specified all tests shall 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 ISO 1874-2. See Table 1 for the number of samples required. Specimens shall be as follows: Specimen A 150 minimum x 10 x 4.0
20、+/- 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 200 mm Specimen
21、 H 50 +/- 1 mm diameter x 3.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min 3.4 MATERIAL PROPERTIES B1 B2 3.4.1 Melt Temperature 257 - 266 C 256 - 261 C (ISO 11357, 10 C/min heating rate) 3.4.2 Density 1.08 1.13 g/cm3 1.08 1.13 g/cm3 (ISO 1183, Method A) 3.4.3 Tensile Strength at Yield 55 MPa min 41 MP
22、a min (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed) 3.4.4 Tensile Modulus 1.9 GPa min 1.4 GPa min (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.4.5 Impact Strength, Notched Charpy (ISO 179-1/1eA, Specimen D) 3.4.5.1 At 23 +/- 2 C 11 kJ/m2 min 5.8 kJ/m2 min Report B
23、reak Type 3.4.5.2 At -40 +/- 2 C 2 kJ/m2 min 2. 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 outs
24、ide, but within 5 seconds. Test specimens must be reviewed by Materials Engineering. ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2 Copyright 2016, Ford Global Technologies, LLC Page 4 of 8 B1 B2 3.4.6 Heat Deflection Temperature 53 C min 40 C min (ISO 75-1 and ISO 75-2, Specimen D,
25、flatwise, Bath silicone oil, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.4.7 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h a
26、t 110 +/- 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) 3.4.7.1 Tensil Strength at Yield, Change +/- 25% max (Test Method per para 3.4.4) 3.4.7.2 Impac
27、t Strength, Notched Charpy, Change +/- 25% max (Test Method per para 3.4.5.1, specimens to be notched before Heat Aging) 3.4.8 Flammability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate 100 mm/minute max 3.5 MATERIAL PROPERTIES REPORT ONLY All specimens dry as molded. If not tested immed
28、iately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. Values are retained in Ford Materials Database . 3.5.2 Molding Shrinkage (Report method used, sample size and value) After 48 h at 23 +/- 2 C Flow Report Value, % Cross Flow Report Value, % 3
29、.5.3 Coefficient of Linear Thermal Expansion (ISO 11359-2 TMA) -30 +/- 2 C to 60 +/- 2C Flow Report Value, E-5 mm/mm/ C Cross Flow Report Value, E-5 mm/mm/ C 60 +/- 2 C to 120 +/- 2 C Flow Report Value, E-5 mm/mm/ C Cross Flow Report Value, E-5 mm/mm/ C ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-
30、B1 WRS-M4D706-B2 Copyright 2016, Ford Global Technologies, LLC Page 5 of 8 3.5.4 Water Absorption Report Value, % (ISO 62, 24 h immersion, Specimen H, 50 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 3.5.5 Flexural Modulus Report Value, GPa (ISO 178, Specimen D, 64 mm support span, 2 mm/minute t
31、est speed) 3.5.6 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) 3.5.7 Poissons Ratio Report Ratio (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.8 Moisture Conditioned: The speci
32、mens shall be conditioned to a moisture content of 1.0 to 2.0 wt% moisture then place the specimens in standard atmosphere of 23 +/- 2 C and 50 +/- 5% relative humidity for at least 1 h before testing (according to ISO 1110). Moisture content shall be reported to verify the moisture level. 3.5.8.1 M
33、oisture Content Report Value, Weight% (ISO 15512, Karl Fisher, or ASTM D756-93) Note: Moisture content must be between 1.0 2.0 wt% before testing para 3.5.8.2, 3.5.8.3, 3.5.8.4, and 3.5.8.5. 3.5.8.2 Tensile Strength at Yield Report Value, MPa (ISO 527-1 and ISO 527-2, Specimen A, 5 mm/minute test sp
34、eed, 23 +/- 2 C) 3.5.8.3 Tensile Modulus Report Value, GPa (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.8.4 Impact Strength, Notched Charpy Report Value, kJ/m2 (ISO 179-1/1eA, Specimen D, 23 +/- 2 C) Report Break Type 3.5.8.5 Flexural Modulus Report Value, GPa, (ISO 178, Specime
35、n D, 64 mm support span, 2 mm/minute test speed) 3.5.9 Supplemental Information The following curves are to be submitted with the data packages: FTIR TGA DSC first and second heat Engineering Stress/Strain at 23 C and -40 C ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2 Copyright 201
36、6, Ford Global Technologies, LLC Page 6 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
37、IN SECTION 3.7 Para. Test Typical Value Units 3.5.1 Recycled Resin Content B2: 100 % 3.5.2 Molding Shrinkage (Report method used, sample size and value) - After 48 h at 23 +/- 2 C Flow Cross Flow 2.15 1.75 % % 3.5.3 Coefficient of Linear Thermal Expansion -30 to 60C Flow Cross Flow 60 to 120C Flow C
38、ross Flow 8.88 10.66 11.44 14.74 E-5 mm/mm/ C E-5 mm/mm/ C E-5 mm/mm/ C E-5 mm/mm/ C 3.5.4 Water Absorption 0.93 % 3.5.5 Flexural Modulus 1.8 GPa 3.5.6 Heat Deflection temperature at 0.45 MPa 90 C 3.5.7 Poissons Ratio 0.40 Ratio 3.5.8.1 Moisture Conditioned Moisture Content 2 wt % 3.5.8.2 Moisture C
39、onditioned Tensile Strength at Yield 36.2 GPa 3.5.8.3 Moisture Conditioned Tensile Modulus 1.0 GPa 3.5.8.4 Moisture Conditioned Notched Charpy Impact 19 kJ/m2 3.5.8.5 Moisture Conditioned Flexural Modulus 0.8 GPa 4.2 GENERIC IDENTIFICATION AND MARKING OF PLASTIC PRODUCTS PA66 (ISO 1043/11469) ENGINE
40、ERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2 Copyright 2016, Ford Global Technologies, LLC Page 7 of 8 Table 1: Minimum Sample Size Initial Approval and/or Initial Approval in a New Region and New Manufacturing Location Approval for Recycled Materials Additional Manufacturing Location fo
41、r Previously Approved Material Para. Test Lots Specimens per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 3.2.7 Thermoplastic Property Determination For CAE WSS-M99D68-A1 Reference the Performance Specification 3.2.8 WSS-M15P50-B Reference the Performance Specification 3.4.1
42、Melt Temperature 3 1 3 3.4.2 Density 1 3 3 1 3 3 3.4.3 Tensile Strength at Yield* 3 5 15 1 5 5 3.4.4 Tensile Modulus 1 10 10 3.4.5 Impact Strength Notched Charpy (per condition)* 3 10 30 1 10 10 3.4.6 Heat Deflection Temperature (per condition)* 3 2 6 1 2 2 3.4.7 Heat Aging Performance 3.4.7.1 Tensi
43、le Strength, Change 1 5 5 3.4.7.2 Impact Strength, Notched Charpy, Change 1 10 10 3.4.8 Flammability 1 5 5 3.5.1 Percent Recycled Content 1 1 1 3.5.2 Mold Shrinkage 1 5 5 1 5 5 3.5.3 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.5.4 Water Absorption 1 3 3 3.5.5 Flexural Modulus 1 1
44、0 10 1 10 10 3.5.6 Heat Deflection Temperature (per condition)* 3 2 6 1 2 2 3.5.7 Poissons Ratio 1 2 2 1 2 2 3.5.8.1 Moisture Content 1 1 1 1 1 1 3.5.8.2 Moisture Conditioned Tensile Strength at Break 1 5 5 1 5 5 3.5.8.3 Moisture Conditioned Tensile Modulus 1 10 10 3.5.4.4 Moisture Conditioned Notch
45、ed Charpy Impact 1 10 10 1 10 10 3.5.8.5 Moisture Conditioned Flexural Modulus 1 10 10 1 10 10 3.5.9 Curves - IR - TGA - DSC (first and second heat) - CLTE (3 flow and 3 cross flow) - Stress/Strain Curves (as required) 1 1 1 per test * For these requirements the 3 sigma value from the raw data is us
46、ed to meet the requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M4D706-B1 WRS-M4D706-B2 Copyright 2016, Ford Global Technologies, LLC Page 8 of 8 4.3 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Produ
47、ct 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 samp
48、les 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 mate
49、rials 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 the affected Supplier Technical Assistance (STA), Purchasing,
