FORD WSS-M4D945-A1-1996 POLYPROPYLENE (PP) HOMOPOLYMER 25 % CALCIUM CARBONATE FILLED MOLDING COMPOUND《25%碳酸钙填充的聚丙烯(PP)均聚物成型料》.pdf
《FORD WSS-M4D945-A1-1996 POLYPROPYLENE (PP) HOMOPOLYMER 25 % CALCIUM CARBONATE FILLED MOLDING COMPOUND《25%碳酸钙填充的聚丙烯(PP)均聚物成型料》.pdf》由会员分享,可在线阅读,更多相关《FORD WSS-M4D945-A1-1996 POLYPROPYLENE (PP) HOMOPOLYMER 25 % CALCIUM CARBONATE FILLED MOLDING COMPOUND《25%碳酸钙填充的聚丙烯(PP)均聚物成型料》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1996 02 12 Activated M. MasserantWP 3948-a Page 1 of 6 POLYPROPYLENE (PP) COPOLYMER, 25 % MINERAL WSS-M4D945-A1FILLED MOLDING COMPOUND1. SCOPEThe ma terial defined by this specification is a molding compound base
2、d onpolypr opylene copolymer, 22 - 26 % mineral (CaCO3) filled, for covered ornon exposed interior applications.2. APPLICATIONThis s pecification was released originally for material used for interiorvisors cores.3. REQUIREMENTS3.1 QUALITY SYSTEM REQUIREMENTSMaterial suppliers and part producers mus
3、t conform to Quality SystemRequirements, QS-9000. Material specification r equirements are to beused fo r initial qualification of materials. A Control Plan forongoing production verification is required. This plan must bereviewed and approved b y the relevant Ford Materials activity and/orFor d Sup
4、plier Technical Assistance (STA) prior to production partssubm ission. Appropriate statistical tools must be used to analyzepr ocess/product data and assure consistent processing of thematerials.Part producers using this material in their products, must use Fordapproved materials and must conform to
5、 a process control plan whichhas been approved by STA and/or the relevant Materials Activity.3.1.1 All requirements of thi s specification, identified by symbol(s), shall be met with data representing 3 sigma values.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its opt
6、ion, may conduct infrared and/ortherma l analysis of material/parts supplied to this specification.The IR spectra and thermograms established for i nitial approval shallconst itute the reference standard and shall be kept on file at thedesignated material laboratory. All samples sha ll produce IR sp
7、ectraand thermograms that correspond to the reference standard when testedunder the same conditions.ENGINEERING MATERIAL SPECIFICATIONWSS-M4D945-A1WP 3948-b Page 2 of 6 3.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on ma terial conditioned ina c ontrolled atmosphere
8、of 23 +/- 2 EC and 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 MOLDING COMPOUND(s) 3.4.1 Melt Flow Rate 15 - 18 g/10 minutes(ISO 1133, 230 EC, 2.16 kg)(s) 3.4.2 Filler Content 22 - 26 %(ISO 3451-1, Method A,65
9、0 +/- 25 EC, CaCO3)3.5 MOLDED TEST SPECIMEN3.5.1 Preparation of Test SpecimensUnless otherwise specif ied all tests shall be carried out oninjection molded one-end gated test specimens.The following dimensions are required:A. 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A)B. 60 x 60 x 2.0 +/-
10、0.1 mm (ISO/DIS 294-3)C. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795)Test specimen A shall be molded using molding conditionsdef ined in ISO 1873-2. Specimens with shorter dimensionsshall be cut from the center of the specimen A. No annealingallowed.3.5.2 Density 1.04 - 1.20 g/cm(ISO 1183, Method A)(s) 3.5.
11、3 Tensile Strength at Max Load, min 24 MPa(ISO 527-1 & ISO 527-2, 150 minimum x10 x 4.0 +/- 0.2 mm specimen,test speed: 50 mm/minute)(s) 3.5.4 Flexural Modulus, min 1.1 GPa(ISO 178, 80 x 10 x 4.0 +/- 0.2 mmspecimen use center section of specimen A, 2 mm/min test speed,64 mm support span)ENGINEERING
12、MATERIAL SPECIFICATIONWSS-M4D945-A1WP 3948-b Page 3 of 6 3.5.5 Shear Modulus at 23 EC 500 - 840 MPa(ASTM D 5279, forced constantamplitude, fixed frequency of 1 Hz+/- 15 %, strain level below 1 %.Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A.Specimen length between clamp
13、s 35 - 40 mm.Soak time at each temperature interval -3 minutes minimum)Additionally, a shear m odulus versus temperature curve shallbe plotted f or - 50 to + 150 EC temperature range, at 5 ECminimum intervals. The plotted curve must be withintolerance range granted on the original material approval
14、andit sha ll constitute the reference standard for materialssupplied to this specification and shall be kept on file atthe designated material laboratory and be available onrequest. (s) 3.5.6 Impact Strength, Izod, min(ISO 180/1A, 80 x 10 x 4.0+/- 0.2 mm specimen use centersection of specimen A, 10
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