GMNA-GMP.PA66.002-1990.pdf
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1、m 9006379 OOOLOb2 I125 Efi I GENERAL MOTORS ENGINEERING STANDARDS Materials and Processes - Plastics NYLON 66 - 14% GLASS AND RUBBER FILLED, HEAT STABILIZED GMP.PA66.002 1 SCOPE. This specification covers the properties of a 14% glass and rubber filled, heat stabilized, pellet form, injection moldab
2、le type 66 nylon compound. 2 TEST PROCEDURES. Tests shall be conducted using the latest issue of the test methods indicated. Suitable precautions should be taken to ensure that applicable safe limits are not exceeded when conducting test procedures, processes, and/or handling the materials required
3、by this specification. 2.1 Test specimens shall be injection molded according to ASTM D1897. Test specimens shall be 3.2 f 0.2 mm thick, unless otherwise specified, in this GMP specification. Izod specimens shall be cut from the centers of the 127 x 12.7 x 3.2 mm bars. 2.2 Tests shall be conducted o
4、n 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. Tests shall be made at 22 + 3 C, unless otherwise specif
5、ied. 3 COMPOUND PROPERTIES. 3.1 Compound Properties (Natural) See Tables 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 procedure requirements are identical to those listed
6、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 approved compound list derived from the corporate plas
7、tics 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 requirements will vary among receiving locations. 5.1 A complet
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- GMNA GMP PA66 002 1990
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