GMNA-GMP.PA6.030-1990.pdf
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1、GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Plastics NYLON 6 - 40% PARTICULATE MINERAL FILLED, HEAT STABILIZED GMP.PA6.030 1 SCOPE. This specification covers the properties of a 40% particulate mineral filled, heat stabilized, pellet form, injection moldable type 6 nylon compound.
2、 1.1 Applications. Typical applications include the following fuel filler pocket. 2 TEST PROCEDURES. Tests shall be conducted using the latest issure of the test methods indicated. Suitable precautions should be taken to ensure that applicable safe limits are not exceeded when conducting test proced
3、ures, processes, and/or handling the materials required by this specification. 2.1 Test specimens shall be injection molded according to ASTM D1897. Test specimens shall be 3.2 + 0.2 mm thick, unless otherwise specified, in this GMP specification. Izod specimens shall be cut from the centers of the
4、127 x 12.7 x 3.2 mm bars. 2.2 Tests shall be conducted on dry-as-molded, unannealed test specimens. These specimens are to be sealed in water vapor impermeable containers immediately after molding and maintained in the sealed containers at 22 + 3 C until the time of testing, 24 h min after molding.
5、Tests shall be made at 22 f 3 C, unless otherwise specified. 3 COMPOUND PROPERTIES. 3.1 Compound Properties (Black) See Table 1. 4 SUGGESTED COMPOUND VERIFICATION. Inher- ent compound properties and test procedures that may be used to identify this material are listed below. The test value and test
6、procedure requirements are identical to those listed in Section 3, Compound Properties. Heat Stabilizer Content Filler Content Infrared Characterization Scan Melt Point Relative Viscosity Specific Gravity 5 COMPOUND AND SOURCE APPROVAL. Each ve- hicle group and component division will have its own a
7、pproved compound list derived from the corporate plastics file. No shipment shall be made by a new source until a sample of the compound manufactured at a production facility has been approved by the appropriate vehicle group and/or component division. Shipment receipt and certifica- tion requiremen
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- GMNA GMP PA6 030 1990
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