FORD ESB-M4D308-A-1983 POLYPROPYLENE HIGH IMPACT GRADE - INJECTION MOLDING《高抗冲级聚丙烯(PP)注塑塑料》.pdf
《FORD ESB-M4D308-A-1983 POLYPROPYLENE HIGH IMPACT GRADE - INJECTION MOLDING《高抗冲级聚丙烯(PP)注塑塑料》.pdf》由会员分享,可在线阅读,更多相关《FORD ESB-M4D308-A-1983 POLYPROPYLENE HIGH IMPACT GRADE - INJECTION MOLDING《高抗冲级聚丙烯(PP)注塑塑料》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes/Revisions1983 04 18Released ESB-M4D308-D, Rev. -A spec CAN1-DR-502800-11978 10 06 Metricated & Retyped CAH1-RD572066-1171969 09 24 Released ESB-M4D308-A AZ1-368Page 1 of 4POLYPROPYLENE, HIGH IMPACT GRADE ESB-M4D
2、308-AINACTIVE ESB-M4D308-D1. SCOPEThe material defined by this specification is a precolored black, highimpact, injection extrusion molding grade of polypropylene copolymer.2. APPLICATIONESB-M4D308-A This specification was released originally for materialused for exterior items requiring high impact
3、 strength,such as fender aprons, which are indirectly exposed toultraviolet light, or for similar applications. ESB-M4D308-D This specification was released originally for interioritems, such as quarter/wheelhouse sound absorbers.3. REQUIREMENTS3.1 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISF
4、ord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The curves established for initial approval shall constitute thereference standard and shall be kept on file at CentralLaboratory. All samples shall produce curves that corr
5、espond tothe reference standard when tested under the same conditions asthose specified on the master curve.3.2 MOLDING COMPOUND3.2.1 Flow Rate 1.0 - 3.6 g/10 min(ASTM D 1238, Condition “L“)3.2.2 Melting Point, min 149 C(FLTM BO 21-2)3.3 MOLDED TEST SPECIMENThe fo llowing requirements are intended f
6、or initial sourcequalifications, and Initial Sample Inspection Report. These willbe rechecked at intervals specified by Quality Assurance.ENGINEERING MATERIAL SPECIFICATION ESB-M4D308-AINACTIVE ESB-M4308-DPage 2 of 43.3.1 Preparation of Test SpecimensAll test specimens shall be injection molded inac
7、cordance with ASTM D 1897. The values of thisspecification are based on black color, injection moldedspecimens unless otherwise specified on engineeringdrawing.3.3.2 Conditioning and Test ConditionsAll test values indicated here in are based on materialconditioned in a controlled atmosphere of 23 +/
8、- 2 C and50 +/- 5 % relative humidity for not less than 24 hprior to testing and tested under the same conditionsunless otherwise specified.3.3.3 Specific Gravity, min 0.900(ASTM D 792)3.3.4 Tensile Strength at Yield, min 20.7 MPa(ASTM D 638, Type 1 specimen,50 mm/min)Elongation at Break, min 50%3.3
9、.5 Flexural Modulus, min 724 MPa(ASTM D 790, Method I,Procedure A, 5 mm/min)3.3.6 Flexural Yield Strength, min 13.8 MPa(ASTM D 790, Procedure A, 5 mm/min)3.3.7 Impact Strength, Izod, min(ASTM D 256, specimens from centersection of Type 1 tensile bar)Notched 481 J/mUnnotched No break3.3.8 Deflection
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