1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 3 2013 03 01 Released B2 Released. Revised B1 and B3 V.Cerato, EU 2012 12 06 Released Revised B1. Released WRS-M4D643-B3 V.Cerato, EU 2010 06 17 Released B1 Released 2010 06 17. B3 Released 2012 12 06 V.Cerato, EU Controlled document at
2、www.MATS Copyright 2013, Ford Global Technologies, LLC Page 1 of 5 POLYPROPYLENE (PP), HOMOPOLYMER WSS-M4D643-B1 40% MINERAL FILLED, INJECTION MOLDING COMPOUND POLYPROPYLENE (PP), 40% MINERAL FILLED, WRS-M4D643-B2 INJECTION MOLDING COMPOUND, RECYCLED WITH 25% PCR AND/OR PIR CONTENT POLYPROPYLENE (PP
3、), 40% MINERAL FILLED, INJECTION MOLDING WRS-M4D643-B3 COMPOUND, RECYCLED WITH 50% PCR AND/OR PIR CONTENT 1. SCOPE The materials defined by these specifications are 40% mineral filled injection molding compounds based on polypropylene. 2. APPLICATION These specifications were released originally for
4、 materials used for air conditioning housing and headlamp housing. 2.1 LIMITATIONS These materials have low impact resistance at low temperatures. Production level materials must be used in preparing test parts / panels. The use of improper sample prep materials can influence test results. 3. REQUIR
5、EMENTS 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), which i
6、ndicated 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. 3.1.2 WSS-M4D643-B1 is based on virgin materials. 3.1.3 WRS-M4D643-B2
7、/B3 must contain 25% and 50% Post Consumer Recycled (PCR) and/or Post Industrial Recycled (PIR) content respectively as defined by WRS-M99P42-A1. The remaining portion of the material can come from virgin sources. 3.1.4 The use of regrind is permitted, for economic / environmental reasons, with comp
8、liance as indicated in Ford Engineering CAD and Drafting Standard E-4. ENGINEERING MATERIAL SPECIFICATION WSS-M4D643-B1 / WRS-M4D643-B2 /WRS-M4D643-B3 Copyright 2013, Ford Global Technologies, LLC. Page 2 of 5 3.1.5 Performance Criteria: Parts using this material must comply with all the requirement
9、s of WSK-M98P10-A/ Latest for exterior lighting application or WSS-M15P50-B/Latest for engine compartment and underbody applications. 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 b
10、e molded using molding conditions defined in ISO 1873-2. 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 +/-
11、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 Filler Content 35 - 45% (ISO 3451-1, Method A, talc filler, 1 h at 750 +/- 25 C, test
12、 portion 2 to 2.5 g) 3.3.2 Density 1.18-1.32 g/cm3 (ISO 1183, Method A) 3.3.3 Tensile Strength at Yield 24 MPa min (ISO 527-1 Flow Cross Flow 5 12 E-5 mm/mm/ C E-5 mm/mm/ C 3.4.7 Poissons Ratio 0.35 Ratio ENGINEERING MATERIAL SPECIFICATION WSS-M4D643-B1 / WRS-M4D643-B2 /WRS-M4D643-B3 Copyright 2013,
13、 Ford Global Technologies, LLC. Page 5 of 5 4.2 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES PP-TD40 (ISO 1043) Table 1: Minimum Sample Size Initial Approval New Manufacturing Location for Previously Approved Material Test Minimum Lots Specimens per lot Total Test Specimens Lots Specimens per lot
14、Total Test Specimens 3.3.1 Filler Content* 3 1 3 1 1 1 3.3.2 Density 1 3 3 3.3.3 Tensile Strength at Yield* 3 5 15 1 5 5 3.3.4 Tensile Modulus 1 10 10 3.3.5 Flexural Modulus* 3 10 30 1 10 10 3.3.6 Impact Strength Notched Izod (per condition)* 3 10 30 1 10 10 3.3.7 Heat Deflection Temperature* 3 2 6
15、1 2 2 3.3.8 Heat Aged Performance 3.3.8.1 Tensile Strength at Yield Change 1 5 5 3.3.8.2 Impact Strength, Notched Izod Change 1 10 10 3.3.9 Fogging 1 3 3 3.3.10 Flammability 1 5 5 3.4.1 Melt Flow Rate 3 1 3 3.4.2 Heat Deflection Temperature 3 2 6 3.4.3 Impact Strength, Notched Charpy (per condition)
16、 3 10 30 3.4.4 Elongation at Yield 3 5 15 3.4.5 Mold Shrinkage 1 5 5 3.4.6 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.4.7 Poissons Ratio 1 2 2 3.4.8 Curves 3 IR 4 TGA 5 DSC 6 CLTE Stress/Strain Curves AT 23C 1 1 1 per test * For these requirements, the 3 Sigma value from the raw
17、 data is used to set the requirement max or min. 5. SUMMARY OF REVISIONS 2013 03 01 B1 and B3 Revised for Izod Impact Strength, was 2.0% kJ/m2 min B2 Released 2012 12 06 Reformatted B1 to latest template, technical changes to para: 3.3.1 Filler Content was 35 - 42% 3.3.2 Density was 1.18 1.28 g/cm3 3.3.6. 2 Impact Strength was 1.2 kJ/m2 3.3.8. 1-2 Heat Aging Performance was -15% max Released WRS-M4D643-B3 2012 06 07 Density was 1.19 - 1.28 g/cm3
