1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 02 2017 04 03 Editorial See Summary of Revisions L .Schmalz, NA 2016 12 04 Editorial See Summary of Revisions A. Wagenhals, NA 2016 10 26 Released A. Wagenhals, NA Controlled document at www.MATS Copyright 2017, Ford Global Technologies,
2、 LLC Page 1 of 6 POLYPROPYLENE (PP) MOLDING COMPOUND, WRS-M4D941-B2 HOMOPOLYMER, HEAT STABILIZED, 40% GLASS FIBER/MICA REINFORCED, 25% RECYCLED MATERIAL BY WEIGHT, NON-VISIBLE APPLICATIONS 1. SCOPE The material defined by this specification is thermoplastic molding compound based on the content list
3、ed in the table below: 2. APPLICATION This specification was released originally for material used for hidden structural components in the floor console. 2.1 LIMITATIONS This material is not intended for visible or decorated (wrapped, painted, etc) applications. 3. REQUIREMENTS 3.1 APPROVED SOURCES
4、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 on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally thro
5、ugh a Ford Materials Engineer. 3.2 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned 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 environmen
6、t or soon after removal. 3.3 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS 3.3.1 Materials requiring High Strain Rate, Creep or fiber oriented Tensile Modulus must test to the requirements of WSS-M99D68-A1/Latest, Thermoplastic Property Determination. For CAE, High Strain Rate Tensile, Creep and Te
7、nsile Modulus. Data must be included in the material submission package. Type of Material % Material Type by Weight Recycled Resin PCR/PIR 25 Maximum Virgin Resin 35 Glass Fiber 30 Mica 10 Minimum % Recyclable Material 25 ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B2 Copyright 2017, Ford Global T
8、echnologies, LLC Page 2 of 6 3.3.2 Performance Criteria: Parts using this specification shall meet the appropriate performance specification, WSS-M15P4-F/Latest for Hard, Interior, Molded-in-Color component performance. 3.4 SAMPLE PREPARATION Unless otherwise specified all tests shall be carried out
9、 on injection molded, one-end gated test specimens. The test specimens A and D shall be molded using molding conditions defined in ISO 1873-2. No annealing is allowed. See Table 1 for the number of specimens required. Specimens shall be as follows: Specimen A 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 5
10、27-2, 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 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
11、.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min 3.5 MATERIAL PROPERTIES 3.5.1 Filler Content 37 - 43 % (ISO 3451-1, Method A, 1 h at 700 +/- 25 C, Test portion 2 - 2.5 g) 3.5.2 Density 1.18 1.3 g/cm3 (ISO 1183, Method A) 3.5.3 Tensile Strength at Yield 65 MPa min (ISO 527-1 & ISO 527-2, Specimen A, 50
12、 mm/minute test speed) 3.5.4 Elongation at Break 1.5 % min (ISO 527-1 & ISO 527-2, Specimen A, 50 mm/minute test speed) 3.5.5 Tensile Modulus 5 GPa min (ISO 527-1 & ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.6 Flexural Modulus 4 GPa min (ISO 178, Specimen D, 64 mm support span, 2 mm/minute t
13、est speed) 3.5.7 Impact Strength, Notched Charpy (ISO 179-1/eA, Specimen D) 3.5.7.1 At 23 +/- 2 C 5.0 kJ/m2 min Report Break Type 3.5.7.2 At -40 +/- 2 C 3.0 kJ/m2 min Report Break Type ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B2 Copyright 2017, Ford Global Technologies, LLC Page 3 of 6 The test
14、 specimens must be conditioned for min of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box, if not possible, test can be conducted outside, but within 5 seconds. 3.5.8 Heat Deflection Temperature 132 C min (ISO 75-1 & ISO 75-2, Sp
15、ecimen D flatwise, 0.34 +/- 0.1 mm deflection, at 1.80 MPa) 3.5.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.9.1 Tensile Strength at Yield Change +/- 25% max
16、 (Test Method per para 3.5.3) 3.5.9.2 Impact Strength, Notched Charpy Change +/- 25% max (Test Method per para 3.5.7.1, specimens to be notched before heat aging) 3.5.10 Odor (FLTM BO 131-03, Specimen G, Variant C) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max 3.5.11 Fog
17、ging 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. 3.5.12 Flammability (ISO 3795/SAE J369 Specimen B smooth surface) Burn Rate 100 mm/minute max 3.6 MA
18、TERIAL PROPERTIES REPORT ONLY Values are retained in Ford Material Database . 3.6.1 Percent Recycled Resin Content (PCR/PIR) Report % 3.6.2 Melt Flow Rate Report g/10 minutes (ISO 1133, 230 C, 2.16 kg) 3.6.3 Coefficient of Linear Thermal Expansion (ISO 11359-2, -30 C to 100 +/- 2 C) Flow Report E-5
19、mm/mm/ C Cross Flow Report E-5 mm/mm/ C ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B2 Copyright 2017, Ford Global Technologies, LLC Page 4 of 6 3.6.4 Mold Shrinkage (Report method used, sample size and value) After 48 h at 23 +/- 2 C Flow Report Range, % Cross Flow Report Range, % 3.6.5 Poissons
20、Ratio Report Ratio (ISO 527-1/2, Specimen A, test speed 1 mm/minute) 3.6.6 Supplemental Information 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 an
21、d assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 TYPICAL PROPERTIES USING TEST METHODS IN SECTION 3.4 Para. Test Typical Values Units 3.6.1 Percent Recycled Resin Content (PCR/PIR) 15 % 3.6.2 Melt Flow Rate 8 -
22、 11 g/10 minutes 3.6.3 Coefficient of Linear Thermal Expansion Flow Cross Flow 4.25 5.90 E-5 mm/mm/ C E-5 mm/mm/ C 3.6.4 Mold Shrinkage After 48 h at 23 +/- 2 C (For specific method and sample size, contact Materials Engineering) Flow Cross Flow 0.28 0.83 % % 3.6.5 Poissons Ratio 0.4 N/A 4.2 MATERIA
23、L IDENTIFICATION FOR RECYCLING PURPOSES PP(GF+P)40 (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 Product Development, and Materials Engineering. The supplier shall submit a completed c
24、opy of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B2 Copyright 2017, Ford Global Technologies, LLC Page 5 of 6 Material Specifica
25、tion. Tested material samples 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 ONGOI
26、NG RESPONSIBILITY All materials 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
27、supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. For parts and components using Ford Engineering Material Spec
28、ifications, 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. 4.4 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company directi
29、on 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 comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5
30、. SUMMARY OF REVISIONS 2017 04 03 Editorial Corrected title and scope to 25% recycled content. 12 4 16 Editorial Added maximum to virgin resin under the table in the scope.ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B2 Copyright 2017, Ford Global Technologies, LLC Page 6 of 6 Table 1: Number of Sp
31、ecimens Required Initial Approval Para. Test Minimum Lots Specimens per lot Total Test Specimens 3.3.1 WSS-M99P2222-D1 Total Carbon, Hazardous Substances, Formaldehyde, Acraldehyde, Acetaldehyde (See below for odor and fogging) 1 1 1 per test 3.3.2 WSS-M99D68-A1 See Specification 3.3.3 WSS-M15P4-F S
32、ee Performance Specification 3.5.1 Filler Content* 3 1 3 3.5.2 Density 1 3 3 3.5.3 Tensile Strength at Yield* 3 5 15 3.5.4 Elongation at Break* 3 5 15 3.5.5 Tensile Modulus 1 10 10 3.5.6 Flexural Modulus* 3 10 30 3.5.7 Impact Strength, Notched Charpy (per condition)* 3 10 30 3.5.8 Heat Deflection Te
33、mperature* 3 2 6 3.5.9 Heat Aged Properties 3.5.9.1 Tensile Strength at Yield Change 1 5 5 3.5.9.2 Impact Strength, Notched Charpy Change 1 10 10 3.5.10 Odor 1 9 9 3.5.11 Fogging Photometric 1 3 3 3.5.12 Flammability 1 5 5 3.6.1 Percent Recycled Resin Content 1 1 1 3.6.2 Melt Flow Rate 3 1 3 3.6.3 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.6.4 Mold Shrinkage 1 5 5 3.6.5 Poissons Ratio 1 5 5 3.6.6 Curves - FTIR - 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.
