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    FORD WRS-M4D731-B2-2018 POLYPROPYLENE (PP) 20% GLASS FIBER REINFORCED MOLDING COMPOUND 75% RECYCLED MATERIAL BY WEIGHT TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M4D7.pdf

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    FORD WRS-M4D731-B2-2018 POLYPROPYLENE (PP) 20% GLASS FIBER REINFORCED MOLDING COMPOUND 75% RECYCLED MATERIAL BY WEIGHT TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSS-M4D7.pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 1 2018 02 26 Revised B2 Activated, See Summary of revisions A.Weatherhead, EU 2011 10 10 Activated Replaces WSK-M4D731-A1/A2 V.Cerato, EU Controlled document at www.MATS Copyright 2018, Ford Global Technologies, LLC Page 1 of 7 POLYPROPYL

    2、ENE (PP) HOMOPOLYMER, 20% GLASS WSS-M4D731-B1 FIBER REINFORCED MOLDING COMPOUND POLYPROPYLENE (PP), 20% GLASS FIBER REINFORCED MOLDING WRS-M4D731-B2 COMPOUND, 75% RECYCLED MATERIAL BY WEIGHT 1. SCOPE The materials defined by these specifications are thermoplastic 20% glass fiber reinforced injection

    3、 molded polypropylene compound. Material with recycled content should be used whenever feasible. B2- POLYPROPYLENE (PP), 20% GLASS FIBER REINFORCED MOLDING COMPOUND, 75% RECYCLED MATERIAL BY WEIGHT Type of Material % Material Type By Weight Recycled Resin PCR/PIR 75 Virgin Resin 5 Glass Fiber 20 Min

    4、imum % Recycled Content 75 2. APPLICATION These specifications were released originally for material used for fuse junction panel box assembly, floor console substrate (interior non visible components) and carbon canisters. 2.1 LIMITATIONS This material does not contain UV stabilizers, long term exp

    5、osure 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 on the drawing, CAD file, or

    6、other documents. The list of approved sources is located within Ford at or available externally through 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

    7、 and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. ENGINEERING MATERIAL SPECIFICATION WSS-M4D731-B1 / WRS-M4D731-B2 Copyright 2018, Ford Global Technologies, LLC Page 2 of 7 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL IR sp

    8、ectra and thermograms from 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 corres

    9、pond to the reference standard 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. Th

    10、e specification minimum, maximum or range was established using 3 sigma data. For 2011 and beyond, refer to Table 1 for number of samples required for each test. 3.4.2 WSS-M4D731-B1 is based on virgin materials. 3.4.3 WRS-M4D731-B2 This specification must contain 75% of recycled content as defined b

    11、y WRS-M99P42-A1. The remaining portion of the material can come from virgin sources. 3.4.4 The use of regrind is permitted, for economic / environmental reasons. Part manufacturers using this specification must complete DV and PV testing with the maximum allowable amount of regrind and the maximum a

    12、llowable 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 approved by Materials and PD Engineering through the formal Ford Motor Company process (SREA) or Engineering Notice. 3.4.5 Mold-in-

    13、color parts using this material must comply with all the requirements of WSS-M15P50-C2/Latest for under hood applications and WSS-M15P4-H/Latest for interior applications. Production level materials must be used in preparing test parts / panels. 3.4.6 Ford Materials Engineering may request a Control

    14、 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 Charpy at 23C Flexural Modulus 3.5 SAMPLE PREPARATION Unless otherwise specified all tests shall be carried out on injection molded, one-

    15、end gated test specimens. The test specimens A and D shall be molded using molding conditions defined in ISO 19069-2. See Tables 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

    16、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 3.2 +/- 0.2 mm Specimen I 100 mm x 150 mm, min

    17、 ENGINEERING MATERIAL SPECIFICATION WSS-M4D731-B1 / WRS-M4D731-B2 Copyright 2018, Ford Global Technologies, LLC Page 3 of 7 3.6 MATERIAL PROPERTIES 3.6.1 Filler Content 18-22 % (ISO 3451-1, Method A, 1 h at 850 +/- 50 C, test portion 2 to 2.5 g) 3.6.2 Density 1.02-1.08 g/cm3 (ISO 1183, Method A) 3.6

    18、.3 Tensile Strength at Yield, 32 MPa min (ISO 527-1 ENGINEERING MATERIAL SPECIFICATION WSS-M4D731-B1 / WRS-M4D731-B2 Copyright 2018, Ford Global Technologies, LLC Page 5 of 7 split screen at 2000 cm-1, Strongest absorption band in the spectrum should bottom out in the 10 to 20 % transmittance range.

    19、 Supplied spectrum should span a standard sheet of copy paper, preferably in landscape mode, with the x-axis delineated well so that the location of the absorption bands in cm-1 can be determined. TGA (% by weight, Room temperature to 900 C in nitrogen at 15 C /minute, cool to 600 C then to 900 C in

    20、 air at 15 C /minute, on plot, report Weight % loss in Nitrogen, Weight % loss in Air, and % Ash). Specific Heat Capacity, Cp (J/kg K) (Differential Scanning Calorimetry (DSC), ASTM E1269, ISO 11357-4) Graphs of 1st and 2nd heat cycles, report Tg. Specific Heat Capacity (J/kgK) x-y data from 0C to 3

    21、0-50C above melt temp. Also report Glass Transition Onset, Glass Transition Inflection, Melt Point Onset, and Melt Point Peak. 3.7.8 Engineering Stress/Strain Engineering Stress/Strain x-y data (max 100 data points per temperature) and plots, at 23 C, -40 C and 140 C. 4. GENERAL INFORMATION The info

    22、rmation 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 Typical Value Units 3.7.1 Recycled content 75 % 3.

    23、7.2 Melt Flow Rate 1-18 g/10 minutes 3.7.3 Molding Shrinkage (For specific method, sample size, contact Materials Engineering). After 48 h at 23 +/- 2C Flow Direction Cross Flow Direction 0.7-1.3 0.8 - 1.5 % % 3.7.4 Coefficient of Linear Thermal Expansion -30 +/-2C to 100 +/- 2C Flow Cross Flow 3.5

    24、13.2 E-5 mm/mm/ C E-5 mm/mm/ C 3.7.5 Poissons Ratio 0.4 Ratio 3.7.6 Heat Deflection Temperature at 0.45MPa 105 C ENGINEERING MATERIAL SPECIFICATION WSS-M4D731-B1 / WRS-M4D731-B2 Copyright 2018, Ford Global Technologies, LLC Page 6 of 7 4.2 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP-GF20 (ISO

    25、1043) 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 Specimens per lot Total Test Specimens 3.6.1 Filler Content* 3 1 3 1 1 1 3.6.2 Density 1 3 3 3.6.3 Tensile Strength at Y

    26、ield* 3 5 15 1 5 5 3.6.4 Tensile Modulus 1 10 10 3.6.5 Flexural Modulus* 3 10 30 1 10 10 3.6.6 Impact Strength, Notched Charpy (per condition)* 3 10 30 1 10 10 3.6.7 Heat Deflection Temperature* 3 2 6 1 2 2 3.6.8 Heat Aging Performance 3.6.8.1 Tensile Strength at Break, Change 1 5 5 3.6.8.2 Impact S

    27、trength, Notched Charpy, Change 1 10 10 3.6.9 Odor (Interior applications only) 1 9 9 3.6.10 Fogging Photometric (Interior applications only) 1 3 3 3.6.11 Flammability 1 5 5 3.7.1 Recycled Content 1 1 1 3.7.2 Melt Flow Rate 3 1 3 3.7.3 Mold Shrinkage 1 5 5 3.7.4 Coefficient of Linear Thermal Expansi

    28、on (per condition) 1 3 3 3.7.5 Poissons Ratio 1 5 5 3.7.6 Heat Deflection Temperature at 0.45MPa 1 2 2 3.7.7 Curves - IR - TGA - DSC - CLTE - Stress/Strain as required 1 1 1 per test 3.7.8 Engineering Stress/Strain at 23 C, -40 C and 140 C. 1 1 1 per test * For these requirements the 3 sigma value f

    29、rom the raw data is used to meet the requirements. 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 copy of their labo

    30、ratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Upon request, th

    31、e supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. ENGINEERING MATERIAL SPECIFICATION WSS-M4D731-B1 / WRS-M4D731-B2 Copyright 2018, Ford Global Technologies, LLC Page 7 of 7 4.4 SUPPLIERS ONGOIN

    32、G 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 s

    33、upplier 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 Speci

    34、fications, 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 MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company directio

    35、n 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. 4.

    36、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 specification, System Design Specification (SDS) and/or Attribute Requirement List (ARL). 5. SUMMARY OF REVISIONS 2018 02 26 Activated B2, updated recycled definitions and added tables and updates to latest M4D template. Revised para 3.6.6 and 3.6.8.2, impact strength determined by Notched Charpy. Added para 3.7.1 Recycled Content


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