1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 01 2015 04 09 Revision Revised VIEQ and Elongation at break. B. Haggart, NA 2012 03 14 Activated Replaces WSS-M4D941-A1 B. Haggart, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLEN
2、E (PP) MOLDING COMPOUND, WRS-M4D941-B1 HOMOPOLYMER, HEAT STABILIZED, 30% GLASS FIBER/MICA REINFORCED, RECYCLED GRADE 25% PIR/PCR, NON-VISIBLE APPLICATIONS 1. SCOPE The material defined by this specification is a lubricated and heat stabilized 30% glass fiber/mica reinforced thermoplastic injection m
3、olding compound. 2. APPLICATION This specification was released originally for material used for hidden structural components in floor console and for air cleaner housing and cover. 2.1 LIMITATIONS 2.1.1 This material is not intended for visible or decorated (wrapped, painted, etc) applications. 3.
4、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 Many 4D resin specifications prior to 2011, identified certain requirements with the symbol (s), w
5、hich indicated that 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 number of samples required for each test to establish specification limits. 3.1.2 WRS-M4D941-B1 must cont
6、ain 25% Post Consumer Recycled (PCR) / Post Industrial Recycled (PIR) content as defined by WRS-M99P42-A1. The remaining portion of the material can come from virgin sources. 3.1.3 Materials used in interior applications must meet the requirements outlined in WSS-M99P2222-D1/Latest, Performance, Veh
7、icle Interior Environment Quality Material/Component Requirements. Data must be included in material submission package. 3.1.4 Performance Criteria: Parts using this specification shall meet the appropriate performance specifications, WSS-M15P4-F/Latest and any other appropriate System Design Specif
8、ications (SDS). 3.1.5 As specified in WSS-M99P1111-A, paragraph 3.5, 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: ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B1 Copyright 2015
9、, Ford Global Technologies, LLC Page 2 of 5 Melt Flow Rate Filler Content Impact Strength, Notched Charpy at 23C Flexural Modulus 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 mo
10、lded 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 527-2, Specimen Type 1A) Specimen B 355 x 100 x 1.0 +/- 0.1 mm (ISO 3795) Specimen C 145 x
11、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 3.3 MATERIAL PROPERTIES 3.3.1 Melt Flow Rate
12、 3.7 8.0 g/10 minutes (ISO 1133, 230 C, 2.16 kg) 3.3.2 Filler Content 27 33 % (ISO 3451-1, Method A, 1h at 700 +/- 25 C, Test portion 2 - 2.5 g) 3.3.3 Density 1.09 1.16 g/cm3 (ISO 1183, Method A) 3.3.4 Tensile Strength at Yield 53 MPa min (ISO 527-1 & ISO 527-2, Specimen A 50 mm/minute test speed) 3
13、.3.5 Elongation at Break 2.0 % min (ISO 527-1 & ISO 527-2, Specimen A 50 mm/minute test speed) 3.3.6 Tensile Modulus 4.0 GPa min (ISO 527-1 & ISO 527-2, Specimen A, 1 mm/minute test speed) 3.3.7 Flexural Modulus 3.7 GPa min (ISO 178, Specimen D 64 mm support span, 2 mm/minute test speed) 3.3.8 Impac
14、t Strength, Notched Charpy (ISO 179-1/eA, Specimen D) 3.3.8.1 At 23 +/- 2 C 4.5 kJ/m2 min Report Break Type ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B1 Copyright 2015, Ford Global Technologies, LLC Page 3 of 5 3.3.8.2 At -40 +/- 2 C 2.5 kJ/m2 min Report Break Type The test specimens must be con
15、ditioned 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. 3.3.9 Heat Deflection Temperature 127 C min (ISO 75-1 & ISO 75-2, Specimen D flatwise, 0.3
16、4 +/- 0.1 mm deflection, at 1.80 MPa) 3.3.10 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) 3.3.10.1 Tensile Strength at Yield Change +/- 25% max (Test Method per pa
17、ra 3.3.4) 3.3.10.2 Impact Strength, Notched Charpy Change +/- 25% max (Test Method per para 3.3.8.1, specimens to be notched before heat aging) 3.3.11 Odor (FLTM BO 131-03, Specimen G, Variant C) Condition 1 Rating 3 max Condition 2 Rating 3 max Condition 3 Rating 3 max 3.3.12 Fogging Photometric (S
18、AE 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. 3.3.13 Flammability (ISO 3795/SAE J369 Specimen B smooth surface) Burn Rate 100 mm/minute max 3.4 MATERIAL PROPERTIES R
19、EPORT ONLY Values are retained in Ford Material Database . 3.4.1 Coefficient of Linear Thermal Expansion (ISO 11359-2, -30 C to 100 +/- 2 C) Flow Report E-5 mm/mm/ C Cross Flow Report E-5 mm/mm/ C ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B1 Copyright 2015, Ford Global Technologies, LLC Page 4 o
20、f 5 3.4.2 Mold Shrinkage (Report method used, sample size and value) After 48 h at 23 +/- 2 C Flow Report Range, % Cross Flow Report Range, % 3.4.3 Poissons Ratio Report Ratio (ISO 527-1/2, Specimen A, test speed 1 mm/minute) 3.4.4 Melt Temperature Report C (ISO 11357, 10 C/min heating rate) 3.4.5 S
21、upplemental 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 and assistance in meeting the requirements of this specification. Contact for
22、 questions concerning Engineering Material Specifications. 4.1 TYPICAL PROPERTIES USING TEST METHODS IN SECTION 3.4 Para. Test Typical Values Units 3.4.1 Coefficient of Linear Thermal Expansion Flow Cross Flow 6.32 6.31 E-5 mm/mm/ C E-5 mm/mm/ C 3.4.2 Mold Shrinkage After 48 h at 23 +/- 2 C (For spe
23、cific method and sample size, contact Materials Engineering) Flow Cross Flow 0.58 0.85 % % 3.4.3 Poissons Ratio 0.43 N/A 3.4.4 Melt Temperature 160 C 4.2 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP(GF+P)30 (ISO 1043/11469) 5. SUMMARY OF REVISIONS 2015 04 09 Updated VIEQ from -C1 to -D1 and Elo
24、ngation at Break from 5% to 2% min ENGINEERING MATERIAL SPECIFICATION WRS-M4D941-B1 Copyright 2015, Ford Global Technologies, LLC Page 5 of 5 Table 1: Number of Specimens Required Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens per lot T
25、otal Test Specimens Lots Specimens per lot Total Test Specimens 3.1 WSS-M99P1111-A 3.1.2 WSS-M99P2222-D1 Total Carbon, Hazardous Substances, Formaldehyde, Acraldehyde, Acetaldehyde (See below for odor and fogging) 1 1 1 per test 3.1.4 WSS-M15P4-F See Performance Specifications 3.3.1 Melt Flow Rate*
26、3 1 3 1 1 1 3.3.2 Filler Content* 3 1 3 1 1 1 3.3.3 Density 1 3 3 3.3.4 Tensile Strength at Yield* 3 5 15 1 5 5 3.3.5 Elongation at Break* 3 5 15 1 5 5 3.3.6 Tensile Modulus 1 10 10 3.3.7 Flexural Modulus* 3 10 30 1 10 10 3.3.8 Impact Strength, Notched Charpy (per condition)* 3 10 30 1 10 10 3.3.9 H
27、eat Deflection Temperature* 3 2 6 1 2 2 3.3.10 Heat Aged Properties 3.3.10.1 Tensile Strength at Yield Change 1 5 5 3.3.10.2 Impact Strength, Notched Charpy Change 1 10 10 3.3.11 Odor 1 9 9 3.3.12 Fogging Photometric 1 3 3 3.3.13 Flammability 1 5 5 3.4.1 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.4.2 Mold Shrinkage 1 5 5 1 5 5 3.4.3 Poissons Ratio 1 5 5 3.4.4 Melt Temperature 3 1 3 3.4.5 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.
