1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 1 2014 04 10 Editorial See Summary of Revisions R. Harris, NA 2014 02 27 Released R.J. Harris, NA Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 9 POLYAMIDE (PA) 66 HEAT STABILIZED MOLDING COMPOUND
2、 WSS-M4D648-B1 POLYAMIDE (PA) 66 HEAT STABILIZED MOLDING COMPOUND, WSS-M4D648-B2 MOLDED IN COLOR, INTERIOR 1. SCOPE The material defined by this specification is a heat stabilized polyamide 66 molding compound. 2. APPLICATION WSS-M4D648-B1 material is being released non-visible applications. WSS-M4D
3、648-B2 material is being released for molded in color interior applications. 2.1 LIMITATIONS This material 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 environme
4、nt. B1 suffix only: This material typically does not contain UV stabilizers, long term exposure to direct sunlight will cause chalking and loss of gloss without suitable additives. This material is not suitable for long term exposure to engine coolant, or direct exposure to strong acids or bases. It
5、 is not suitable for use above 155 C. 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 specifications prior to 2011, identif
6、ied 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 for each test. 3.1.2 This spe
7、cification is based on virgin materials, however materials with recycled content as defined by WRS-M99P42-A1 (post-consumer and/or post industrial recyclates and repolymerised recycled materials) should be used whenever technically feasible and following all materials and PV testing required by Ford
8、 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 specification, WSS-M1
9、5P4-F/Latest. ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 2 of 9 3.1.5 For B2 suffix only: Must be tested to WSS-M99P2222 D1/Latest, Performance, Vehicle Interior Environment Quality Material/Component Requirements, if part exceeds 100 cm2 or
10、 100 g. 3.1.6 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 which must include, but are not limited to: Viscosity Moisture Content 3.1.7 Dry as molded: All test values indicat
11、ed herein are based on material and specimens with moisture content not exceeding 0.2% except where noted (Moisture Conditioned) (test according to ISO 15512 Method B/ASTM D 6869). All test materials have to be sealed in moisture-proof containers and stored at 23 +/- 2 C for at least 24 h immediatel
12、y after processing. If the moisture content exceeds 0.2%, conditioning 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. Individual specimens shall not be removed from closed cont
13、ainers until immediately before testing. 3.2 SAMPLE PREPARATION Unless otherwise 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. No annealing is allowed. See Tables
14、1 and 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 Specimen A, 80 x 10 x 4.0 +/- 0.2 mm Specim
15、en 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 APPEARANCE WSS-M4D648-B2 only 3.3.1 Weathering Resistance Rating 4 min (FLTM BO 116-01, 977.6 kJ/m2 exposure Specimen C from
16、 smooth polished mold, ISO 105-A02 / AATCC Evaluation Procedure 1) At 601.6 kJ/m2, remove the samples from the weatherometer and allow them to cool for one hour. Conduct a tactile evaluation and report any tackiness. Visually evaluate and report any spewing or other exudation. After exposure the mat
17、erial shall show no fading or color change in excess of the specified AATCC rating. In addition, there shall ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 3 of 9 be no cracking, crazing or other deterioration. Use regional choice for initial ap
18、proval and report the color house used. See Table 2 for additional color durability submission requirements. 3.3.2 Resistance to Scratch and Mar (FLTM BO 162-01, Specimen I) Hard Trim Scratch 2 N, Rating 2 max Whitening/Color Change 7 N, Rating 1 max Marring 2 N, Rating 2 max These values are derive
19、d from colored and grained samples in agreement with Materials Engineering. Details regarding color house, let down ratio, colors, grain, etc can be found in the approval package. 3.4 MATERIAL PROPERTIES 3.4.1 Melt Temperature 250 - 265 C (ISO 11357, 10 C/min heating rate) 3.4.2 Density 1.12 1.16 g/
20、cm3 (ISO 1183, Method A) 3.4.3 Tensile Strength at Yield 60 MPa min (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed) 3.4.4 Elongation at Yield 3.5 % min (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed) 3.4.5 Tensile Modulus 2.5 GPa min (ISO 527-1 and ISO 527-2, Specimen A
21、, 1 mm/minute test speed) 3.4.6 Flexural Modulus 2.5 GPa min (ISO 178, Specimen D, 64 mm support span, 2 mm/minute test speed) 3.4.7 Impact Strength, Notched Charpy (ISO 179-1/1eA, Specimen D) 3.4.7.1 At 23 +/- 2 C 3.5 kJ/m2 min 3.4.7.2 At -40 +/- 2 C 2.0 kJ/m2 min The test specimen must be conditio
22、ned 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-M4D648-B1/2 Copyright 2014, Ford Global Tech
23、nologies, LLC Page 4 of 9 3.4.8 Heat Deflection Temperature (ISO 75-1 and ISO 75-2, Specimen D, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa 60 C min All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with
24、silica gel. 3.4.9 Heat Aging Performance (ISO 188, 150 +/- 50 air changes/h, 1000 h at 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) 3.4.9.1 Te
25、nsile Strength at Yield, Change +/- 25 % max (Test Method per Para 3.3.3) 3.4.9.2 Impact Strength, Notched Charpy, Change +/- 25% max (Test Method per para 3.4.7, Specimens to be notched before Heat aging) 3.4.10 Odor (WSS-M4D648-B2 only) Rating 3 max (FLTM BO 131-03, Variant C, Specimen G) 3.4.11 F
26、ogging Photometric (WSS-M4D648-B2 only) (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. 3.4.12 Flammability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate
27、 100 mm/minute max 3.5 MATERIAL PROPERTIES REPORT ONLY Values are retained in Ford Materials Database . 3.5.1 Molding Shrinkage (Report method used, sample size and value) After 48 h at 23 +/- 2 C Flow Report Value, % Cross Flow Report Value, % ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copy
28、right 2014, Ford Global Technologies, LLC Page 5 of 9 3.5.2 Coefficient of Linear Thermal Expansion (ISO 11359-2, -30 +/- 2 C to 60 +/- 2 C) Flow Report Value, E-5 mm/mm/ C Cross Flow Report Value, E-5 mm/mm/ C 3.5.3 Water Absorption Report Value, % (ISO 62, 24 h immersion, Specimen H) 3.5.4 Impact
29、Strength, Notched Izod (ISO 180/1A, Specimen D) 3.5.4.1 At 23 +/- 2 C Report Value kJ/m2 Report Break Type 3.5.4.2 At -40 +/- 2 C Report Value kJ/m2 Report Break Type 3.5.5 Heat Deflection Temperature (ISO 75-1 and ISO 75-2, Specimen D, flatwise, 0.34 +/- 0.1 mm deflection. At 0.45 MPa Report Value.
30、 C min 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. 3.5.6 Poissons Ratio Report Ratio (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.7 Moistured Conditioned Nylon The sp
31、ecimens shall be stored in an atmosphere of 70+/- 1oC and 62 +/- 1% relative humidity for seven days, then place the specimens in standard atmosphere of 23 +/- 2oC and 50 +/- 5% relative humidity for at least 1h before testing (according to ISO 1110). 3.5.7.1 Tensile Strength at Break Report Value M
32、Pa (ISO 527-1 and ISO 527-2, Specimen A, 50 mm/minute test speed, 23 +/- 2 C 3.5.7.2 Tensile Modulus Report Value GPa (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.7.3 Impact Strength, Notched Charpy Report Value kJ/m2 (ISO 179-1/1eA, Specimen D, 23 +/- 2 C) Report Break Type 3.5
33、.7.4 Flexural Modulus Report Value GPa (ISO 178, Specimen D, 64 mm support span, 2 mm/minute test speed) 3.5.7.5 Moisture Content Report % (ISO 15512 or report method) ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 6 of 9 3.5.8 Supplemental Info
34、rmation The following 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 conce
35、rning Engineering Material Specifications. ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 7 of 9 4.1 TYPICAL PROPERTIES USING METHODS IN SECTION 3.5 Para. Test Typical Value Units 3.5.1 Molding Shrinkage After 48 h at 23 +/- 2 C (ISO 2577) Flow
36、Cross Flow 1.9 2.1 % % 3.5.2 Coefficient of Linear Thermal Expansion Flow Cross Flow 7.9 11.7 E-5 mm/mm/ C E-5 mm/mm/ C 3.5.3 Water Absorption 1.0 % 3.5.4 Impact Strength, Notched Izod At 23 +/- 2 C At -40 +/-2 C 3.5 2.5 kJ/m2 kJ/m2 3.5.5 Heat Deflection, at 0.45 MPa 210 C 3.5.6 Poissons Ratio 0.39
37、N/A 3.5.7.1 Moisture Conditioned Tensile Strength at Break 60 GPa 3.5.7.2 Moisture Conditioned Tensile Modulus 1.6 GPa 3.5.7.3 Moisture Conditioned Notched Charpy Impact 6 kJ/m2 3.5.7.4 Moisture Conditioned Flexural Modulus 1.6 GPa 3.5.7.5 Moisture Content 2.8 % 4.2 MATERIAL IDENTIFICATION FOR RECYC
38、LING PURPOSES PA66 (ISO 1043/11469) ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 8 of 9 Table 1: Minimum Sample Size Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens per Lot Total T
39、est Specimens Lots Specimens per lot Total Test Specimens 3.1 WSS-M99P1111-A 3.1.5 WSS-M99P2222-D1/Latest Total Carbon, Hazardous Substances, Formaldehyde, Acraldehyde, Acetaldehyde (See below for Odor and Fogging) 1 1 1 per test 3.1.4 Parts Performance Reference Performance Specification 3.3.1 Weat
40、hering Resistance 1 1 1 3.3.2 Resistance to Scratch and Mar 1 1 1 3.4.1 Melt Temperature 3 1 3 1 1 1 3.4.2 Density 1 3 3 3.4.3 Tensile Strength at Yield* 3 5 15 1 5 5 3.4.4 Elongation at Yield * 3 5 15 1 5 5 3.4.5 Tensile Modulus 1 10 10 3.4.6 Flexural Modulus* 3 10 30 3.4.7 Impact Strength Notched
41、Charpy (per condition)* 3 10 30 1 10 10 3.4.8 Heat Deflection Temperature, 1.80 MPa 3 2 6 1 2 2 3.4.9 Heat Aging Performance 3.4.9.1 Tensile Strength at -, Change 1 5 5 3.4.9.2 Impact Strength, Notched Charpy, Change 1 10 10 3.4.10 Odor (WSS-M4D648-B2 only) 1 9 9 3.4.11 Fogging Photometric (WSS-M4D6
42、48-B2 only) 1 3 3 3.4.12 Flammability 1 5 5 3.5.1 Mold Shrinkage 1 5 5 3.5.2 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.5.3 Water Absorption 1 3 3 3.5.4 Impact Strength, Notched Izod (per condition) 1 10 10 3.5.5 Heat Deflection Temperature, 0.45 MPa 1 2 2 3.5.6 Poissons Ratio 1
43、 5 5 3.5.7.1 Moisture Conditioned Tensile Strength at Break 1 5 5 3.5.7.2 Moisture Conditioned Tensile Modulus 1 10 10 3.5.7.3 Moisture Conditioned Notched Charpy Impact 1 10 10 3.5.7.4 Moisture Conditioned Flexural Modulus 1 10 30 3.5.7.5 Moisture Content 1 3 3 3.5.8 Curves - FTIR - TGA - DSC - CLT
44、E - Stress/Strain 1 1 1 per test * For these requirements the 3 sigma value from the raw data is used to meet the requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M4D648-B1/2 Copyright 2014, Ford Global Technologies, LLC Page 9 of 9 Table 2: Minimum Color Property Testing (WSS-M4D648-B2 only) Co
45、ntact Materials Engineering for Color Test Work Plan 5. SUMMARY OF REVISIONS 2014 04 10 - Editorial -Moved moisture content from stand alone requirement to under Moisture conditioned testing. -Added in the Charpy after heat aging to body of spec. It was present in table but missed in spec. -Removed
46、post shrinkage not applicable for non painted applications. Para. Test Lots Specimens per Lot Total Test Specimens Color Test Direction 3.3.1 Weathering Resistance 1 1 1 Every color 3.3.2 Resistance to Scratch and Mar 1 3 3 As directed by Materials Engineering 3.4.3 Tensile Strength at Yield 1 5 5 A
47、s directed by Materials Engineering 3.4.5 Tensile Modulus 1 10 10 As directed by Materials Engineering 3.4.7 Impact Strength, Notched Charpy at 23 +/- 2 C 1 10 10 As directed by Materials Engineering 3.4.10 Odor 1 9 9 As directed by Materials Engineering 3.4.11 Fogging, Photometric 1 3 3 As directed by Materials Engineering 3.4.12 Flammability 1 5 5 Every color
