1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 05 06 B N Status No usage or replacement L. Soreide, NA 2010 03 11 Revised Deleted Note from 3.1.1 V. Cerato 2010 01 07 Revised/ A6- NSTATUS Completely revised and added B version, A6 N-STATUS, No replacement. V.Cerato and Global Materia
2、l Team 1987 01 23 Released SM/EQ 5668 TP L. Rodigas Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 6 THERMOPLASTIC POLYOLEFIN ELASTOMER (TPO) 15% MINERAL WSK-M4D550-A FILLED, MEDIUM HIGH IMPACT MOLDING COMPOUND, HIGH SCRATCH RESISTANT MOLDING COMPOUND, INTERI
3、OR THERMOPLASTIC POLYOLEFIN ELASTOMER (TPO) 25% WSS-M4D550-B MINERAL FILLED, MEDIUM HIGH IMPACT, HIGH SCRATCH RESISTANT MOLDING COMPOUND, INTERIOR NOT TO BE USED FOR NEW DESIGN THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) 25% WSK-M4D550-A6 MINERAL FILLED, MEDIUM HIGH IMPACT, HIGH SCRATCH RESISTANT MOLDI
4、NG COMPOUND, MULTI SPOT DECOR, INTERIOR - NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by these specifications are rigid moulded in colour thermoplastic polyolefin elastomer (TPO) injection moulding compounds, mineral filled, with medium high impact and qualified to fulfill higher re
5、quirements for scratch resistance. 2. APPLICATION These specifications were released originally for materials used for instrument panels. 2.1 LIMITATIONS Mould-in-color part using this material must comply with all the requirements of WSS-M15P4-Latest. Production level materials must be used in prep
6、aring test parts / panels. The use of improper sample prep materials can influence test results. 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
7、.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values using latest ISO test methods. ENGINEERING MATERIAL SPECIFICATION WSK-M4D550-A/A6/ WSS-M4D550-B Copyright 2015, Ford Global Technologies, LLC Page 2 of 7 3.1.2 This specification is
8、 based on virgin materials, however materials with recycled content as defined by WSS-M99P42-A (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 Materials Eng
9、ineering. The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in WSS-M99P1111-A. Critical Process Parameters At the request of Ford Materials Engineering the supplier shall be responsible to collect critical process control data on each lot of material
10、 produced. Testing required will be jointly developed between Ford Materials Engineering and the supplier based on Control Plan and PFMEA review at the time of initial approval. Annually the supplier will review the in process data with Ford Materials Engineering to show that the process has remaine
11、d under control. The data needs to be submitted in January for the previous calendar year. Data showing poor quality control measures or lack of submitted data may result in deletion from the Ford Approved Source List. 3.2 MOLDING COMPOUND A B A6(s) 3.2.1 Filler Content % (ISO 3451-1, Method A, talc
12、 filler, 1 h at 850 +/- 50 C, test portion 2 to 2.5 g) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm
13、(ISO 527-2, specimen type 1A) B. 150 x 100 x 3.2 +/- 0.2 mm (ISO2577) C. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795) NOTE: The recommended thickness tolerances on all test specimens are +/- 0.1 mm. Test specimen A shall be molded using molding conditions defined in ISO 1873-2. Specimens with shorter dimens
14、ions shall be cut from the center of the specimen A. No annealing allowed. 3.3.2 Density g/cm3 (ISO 1183, Method A), (s) 3.3.3 Tensile Strength at Yield, min 17 MPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A, test speed: 50 mm/minute) 13-18 23-28 23-28 A 0.95-1.05 B 1.06-1.
15、13 A6 1.08-1.13 ENGINEERING MATERIAL SPECIFICATION WSK-M4D550-A/A6/ WSS-M4D550-B Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 6 (s) 3.3.4 Tensile Modulus, min 1.45 GPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A test speed: 1 mm/min
16、) (s) 3.3.5 Flexural Modulus, min 1.6 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) NOTE 1: To obtain statistically valid data, a transformation of non-normal raw data is allowed, e.g. conversion to the natural logarithms,
17、calculation of - 3 sigma value, and finally, retransformation to original metric (antilogarithm) value. (s) 3.3.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 3.3.6.1 At 23 +/- 2 C 20 kJ/m2 3.3.6.2 At - 40 +/-
18、 2 C 2.5 kJ/m2 3.3.6.3 At 10 +/- 2 C 6.0 kJ/m2 The test specimen must be conditioned 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. (s
19、) 3.3.7 Heat Deflection Temperature, min (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection.) 3.3.7.1 At 1.80 MPa 48 C 3.3.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. After heat
20、 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) 3.3.8.1 Tensile Strength at Yield Change +/- 25% (Test Method per para 3.3.3) 3.3.8.2 Impact Strength, Izod Change, -25%
21、 max (Test Method per para 3.3.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATION WSK-M4D550-A/A6/ WSS-M4D550-B Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 4 of 6 3.3.9 Odor, max (FLTM BO 131-03) Rating 3 3.3.10 Fogging (SAE J175
22、6, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number, min 80 Formation of clear film, droplets or crystals is cause for rejection. 3.3.11 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0
23、+/- 0.1 mm (use specimen C) with a smooth surface. 4. SPECIAL REQUIREMENTS 4.1 WEATHERING RESISTANCE After exposure in accordance with 4.1.1 the material shall show no fading or color change in excess of specified Gray Scale rating (AATCC Evaluation Procedure 1/ISO 105-A02). In addition, there shall
24、 be no cracking, crazing or other deterioration. 4.1.1 Filtered Xenon Arc Weatherometer, min Rating 4 (FLTM BO 116-01 2481.6 kJ/m2 exposure monitored at 420 nm, specimen size: 150 x 100 mm min, 3.2 +/- 0.2 mm thick, moulded in smooth polished mould). Use current program black, grey and tan colors fo
25、r initial approval. Color submissions: All Program Colors 4.2 RESISTANCE TO SCRATCHING (FLTM BO 162-01, visual evaluation, 1 mm scratch balls at 2.0 N, 3.0 N, and 7.0 N load) Hard Instrument Panels Scratch 2 N, Rating 2 max Whitening/Color Change 15 N, Rating 1 max Marring 2 N, Rating 2 max Hard Tri
26、m Scratch 2 N, Rating 2 max Whitening/Color Change 7 N, Rating 1 max Marring 2 N, Rating 2 max Note 1: Scratch - defined as a deformation or cutting of the grained/ungrained surface. Whitening/Color Changes - defined as a white line or color change visible at all angles for mold in color materials.
27、Marring - Defined as a gloss change or burnishing with no deformation or whitening of the surface. ENGINEERING MATERIAL SPECIFICATION WSK-M4D550-A/A6/ WSS-M4D550-B Printed copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 5 of 6 5. GENERAL INFORMATION The information given b
28、elow is provided for clarification and assistance in meeting the requirements of these specifications. 5.1 MELT FLOW RATE g/10 minutes Report value (ISO 1133, 230 C, 2.16 kg) 5.2 HEAT DEFLECTION TEMPERATURE, min (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A
29、, flatwise, 0.34 +/- 0.1 mm deflection.) 5.2.1 At 0.45 MPa 93 C 5.3 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2, -30 to 100C) 5-9 E-5 mm/mm/ C 5.4 MOLD SHRINKAGE (ISO 2577, approximately 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen B) 5.4.1 Molding Shrinkage . After 48 h at 23 +/- 2
30、 C 0.8 - 1.2% 5.4.2 Post Shrinkage (Separate specimens required for each test) . After 48 h at 80 C 0.1 - 0.2% . After 30 minutes at 120 C 0.1 - 0.3% 5.5 GLOSS (FLTM BI 110-01, Glossmeter 60 , 5 measurements min on grained surfaces, grain: Cordwain and/or equivalents) Gloss Level, max As specified b
31、y Design activity 5.6 USE OF REGRIND MATERIAL (Property values of regrind material shall be compared with original virgin material. Regrind: compound of 20 weight % regrind based on single reprocessed material, free of contaminations, and 80 weight % virgin material) 5.6.1 Tensile Strength at Yield
32、Change +/- 10% (Test method per para 3.3.3) 5.6.2 Flexural Modulus, Change +/- 10% (Test method per para 3.3.5) 5.6.3 Impact Strength, Izod Change, max -10% (Test method per para 3.3.6.1) ENGINEERING MATERIAL SPECIFICATION WSK-M4D550-A/A6/ WSS-M4D550-B Printed copies are uncontrolled Copyright 2010,
33、 Ford Global Technologies, LLC Page 6 of 6 5.6.4 Heat Deflection Temperature Change +/- 10% (Test method per para 3.3.7.1) 5.6.5 Weathering Resistance 5.6.5.1 Filtered Xenon Arc Weatherometer Rating 4 (Test method per para 4.1.1) 5.6.6 Resistance to Scratching (Test method per para 4.2) Percentage of Marking, Change, max 0% 5.6.7 Melt Flow Rate Change, max +30% (Test method per para 5.1) 5.7 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES (ISO 1043/18064 latest) A B A6 PP+EPM-TD15PP+EPM-TD25PP+EPM-TD25
