FORD WSS-M4D833-B1-2014 ACRYLONITRILE STYRENE ACRYLATE (ASA) MOLDED IN COLOR MOLDING COMPOUND EXTERIOR TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2014 04 29 Revised See Summary of Revisions L. Soreide, NA 2013 03 27 Revised See Summary of Revisions M. Gramlich, NA 2013 02 18 Released M. Gramlich NA Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of

2、4 ACRYLONITRILE STYRENE ACRYLATE (ASA), WSS-M4D833-B1 MOLDED IN COLOR, MOLDING COMPOUND, EXTERIOR 1. SCOPE The material defined by this specification is a molding compound based on acrylonitrile-styrene-acrylate (ASA). This material is a UV stabilized resin for parts that require good surface appear

3、ance and weather resistance for low gloss exterior applications. 2. APPLICATION This specification was released originally for material used for exterior molded in color applications. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must confor

4、m to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). Note: 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. The specification minimum, maximum or ra

5、nge was established using 3 sigma values. For 2011 and beyond, refer to Table 1 for number of samples required for each test to establish specification limits. 3.1.1 This specification is based on virgin materials, however materials with recycled content as defined by WRS-M99P42-A1 (post-consumer an

6、d/or post industrial recyclates and repolymerised recycled materials) should be used whenever technically feasible. 3.1.2 The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in Ford Engineering CAD and Drafting Standard E-4. Part manufacturers using th

7、is specification must complete DV and PV testing with the allowable amount of regrind and the maximum allowable regrind content must be specified on the engineering drawing. Any changes to what is specified on the drawing (no specification implies zero regrind) must be approved by Materials and PD E

8、ngineering through the formal Ford Motor process (SREA). 3.1.3 Performance Criteria: Exterior mold-in-color substrates approved to WSS-M4D833-B1 must comply with all the requirements of WSS-M98P13-C/Latest. Parts must fulfill applicable SDS/CDS requirements. ENGINEERING MATERIAL SPECIFICATION WSS-M4

9、D833-B1 Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 2 of 6 3.2 SAMPLE PREPERATION 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 molded using molding conditions de

10、fined in ISO 6402-02. 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 60 x 3.2 +/- 0.2 mm Specimen D

11、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 APPEARANCE 3.3.1 Weathering Resistance Rating 4 min (SAE J2527 Atlas Wa

12、ter Cooled, Rotary Drum Xenon-Arc Apparatus only. Modified Type “S“ borosilicate inner and outer filters, 0.55 W/m2 radiant exposure monitored at 340 nm, 3000 h total exposure. Specimen C, from smooth polished mold, ISO 105-A02 / AATCC Evaluation Procedure 1) For color durability submissions, test a

13、ll program colors 3.3.2 1 and 2 year Florida Rating 4 min Initial Qualification for new resin technology (SAE J1976, 5 south, direct weathering inland, Specimen C from smooth polished mold, ISO 105-A02 / AATCC Evaluation Procedure 1) After exposure the material shall show no color change in excess o

14、f the specified AATCC Rating. In addition, there shall be no cracking, crazing or other deterioration. A slight loss of gloss or chalking will be allowed provided an acceptable appearance can be achieved as specified below by washing with mild detergents and water (ratio 5:95 by volume) or equivalen

15、t after the outdoor exposure only. All initial approvals may be based on the accelerated weathering exposure, pending real world outdoor exposure results for final approval. 3.3.3 Resistance to Scratch and Mar (FLTM BO 162-01, Specimen I) Scratch Rating 2 at 2 N, max Whitening/Color Change Rating 1

16、at 7 N, max Marring Rating 2 at 2 N, max ENGINEERING MATERIAL SPECIFICATION WSS-M4D833-B1 Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 3 of 6 3.4 MATERIAL PROPERTIES 3.4.1 Density 1.05 1.10 g/cm3 (ISO 1183, Method A) 3.4.2 Tensile Strength at Yield 42 MPa min (I

17、SO 527-1 & ISO 527-2, specimen A, 50 mm/minute test speed) 3.4.3 Elongation at Yield 2% min (ISO 527-1 & ISO 527-2, specimen A, 50 mm/minute test speed) 3.4.4 Tensile Modulus 2.0 GPa min (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.4.5 Flexural Modulus 2.0 GPa min (ISO 178, Specim

18、en D, 64 mm support span, 2 mm/minute test speed) 3.4.6 Impact Strength, Notched Charpy (ISO 179-1/1eA, Specimen D) 3.4.6.1 At 23 +/- 2 C 7.0 kJ/m2 min Report Break Type 3.4.6.2 At -40 +/- 2 C 1.5 kJ/m2 min Report Break Type 3.4.6.3 At 20 +/- 2 C 4.0 kJ/m2 min Report Break Type The test specimen mus

19、t 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. 3.4.7 Heat Deflection Temperature 77 C min (ISO 75-1 and ISO 75-2 Spec

20、imen D, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. 3.4.8 Vicat Softening Temperature 94 C min (ISO 306, Specimen D, Bath - silicone oil

21、, temperature raise 50 +/- 5 C/h. Dial gage reset to O after addition of 5 kg weight, at 50 N load) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. ENGINEERING MATERIAL SPECIFICATION WSS-M4D8

22、33-B1 Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 4 of 6 3.4.9 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 80 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged proper

23、ty values shall be determined at the time of the aged properties determination) 3.4.9.1 Tensile Strength at Yield, Change +/- 25% (Test method per para 3.4.3) 3.4.9.2 Impact Strength, Notched Charpy, Change +/- 25% (Test Method per para 3.4.7.1, specimens to be notched before heat aging) 3.4.10 Flam

24、mability (ISO 3795/SAE J369, Specimen B, smooth surface) Burn Rate 100 mm/minute max 3.5 MATERIAL PROPERTIES REPORT ONLY Values are retained in Ford Materials Database . 3.5.1 Melt Flow Rate Report Value, g/10 minutes (ISO 1133 220 C,10.0 kg) The material shall be dried for 4 h minimum at 80 C in a

25、mechanical convection oven immediately preceding the test. 3.5.2 Molding Shrinkage After 48 h at 23 +/- 2 C Flow Report Value, % Cross Flow Report Value, % 3.5.3 Coefficient of Linear Thermal Expansion (ISO 11359-2, -30 +/- 2 C to Tg, Tg to 100 +/- 2 C) Flow Report Value, E-5 mm/mm/ C Across Flow Re

26、port Value, E-5 mm/mm/ C 3.5.4 Poissons Ratio Report Ratio (ISO 527-1 and ISO 527-2, Specimen A, 1 mm/minute test speed) 3.5.5 Supplemental Information The following curves are to be submitted with the data packages: FTIR TGA DSC CLTE Engineering Stress/Strain at 23 C ENGINEERING MATERIAL SPECIFICAT

27、ION WSS-M4D833-B1 Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 5 of 6 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering

28、 Material Specifications. 4.1 TYPICAL PROPERTIES USING METHODS IN SECTION 3.5 Para. Test Typical Value Units 3.5.1 Melt Flow Rate 3 15 g/10 minutes 3.5.2 Molding Shrinkage (For specific method and sample size, contact Materials Engineering) After 48 h at 23 +/- 2 C Flow Cross Flow 0.4 0.7 0.4 0.7 %

29、% 3.5.3 Coefficient of Linear Thermal Expansion Flow Cross Flow 8.0 10.0 E-5 mm/mm/ C E-5 mm/mm/ C 3.5.4 Poissons Ratio 0.39 N/A 4.2 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES ASA (ISO 1043/11469) 5. SUMMARY OF REVISIONS 2014 04 29 Moved Melt Flow to Report Only 2013 03 27 Changed Notched Charpy

30、 at 23 C from 8 to 7. ENGINEERING MATERIAL SPECIFICATION WSS-M4D833-B1 Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 6 of 6 Table 1: Minimum Sample Size Initial Approval New Manufacturing Location for Previously Approved Material Para. Test Minimum Lots Specimens

31、 per Lot Total Test Specimens Lots Specimens per lot Total Test Specimens 3.1 WSS-M99P1111-A 3.1.3 WSS-M98P13-C/Latest Reference the Performance Specification 3.3.1 Weathering Resistance 1 1 1 3.3.2 1 and 2 year Florida 1 1 1 3.3.3 Resistance to Scratch and Mar 1 3 3 3.4.4 Tensile Modulus 1 10 10 3.

32、4.5 Flexural Modulus* 3 10 30 1 10 10 3.4.6 Impact Strength Notched Charpy (per condition)* 3 10 30 1 10 10 3.4.7 Heat Deflection Temperature* 3 2 6 1 2 2 3.4.8 Vicat Softening Temperature* 3 2 6 1 2 2 3.4.9 Heat Aging Performance 3.4.9.1 Tensile Strength at Yield, Change 1 5 5 3.4.9.2 Impact Streng

33、th, Charpy, Change* 3 10 30 3.4.10 Flammability 1 5 5 3.5.1 Melt Flow Rate 3 1 3 1 1 1 3.5.2 Mold Shrinkage 1 5 5 1 5 5 3.5.3 Coefficient of Linear Thermal Expansion (per condition) 1 3 3 3.5.4 Poissons Ratio 1 2 2 3.5.5 Curves - IR - TGA - DSC - CLTE Engineering Stress/Strain at 23 C 1 1 1 per test

34、 *3 Sigma statistical data is required for the noted tests. Individual data points shall be reported. Table 2: Color Property Testing Para. Test Lots Specimens per Lot Total Test Specimens Color Test Direction 3.3.1 Weathering Resistance 1 1 1 Every color 3.3.3 Resistance to Scratch and Mar 1 3 3 As

35、 directed by Materials Engineering 3.4.3 Tensile Strength at Yield 1 5 5 As directed by Materials Engineering 3.4.6 Flexural Modulus 1 10 10 As directed by Materials Engineering 3.4.7 Impact Strength, Notched Charpy at 23 +/- 2 C 1 10 10 As directed by Materials Engineering 3.4.11 Flammability 1 5 5 Every Color