GMNA-GMP.PA66.004-1994.pdf
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1、0 9006379 0001070 2TL I GENERAL MOTORS ENGINEERING STANDARDS I Materials and Prom - Plastics 1 NYLON 66 - HOMOPOLYMER, EXTRUSION GRADE GMP.PA66.004 1 SCOPE This spccifiB? and/or handling the materials mquircd by this sp&- 6 APPROVED COMPOUND AND SOURCE APPROVAL Each vehick group and comoncnt divisio
2、n will have its own approved compound list derived from the ootPotatcplasticsfik.Noshipmcntshallbcmadcbyancw rourctantilakofcompoundmanufactlmdatapto- duction facibty has been approved by the appmptiatc vehicle gropp md/or c-m- division. Shipment noeipt and ccrtifi- catiou rcqukmmts will vary armng
3、dving locations. 3.1 Test spccimcns shall bc injection molded according to ASTM D1897. Test specimens shall bc 3.2 f 0.2 mm thick unless otherwiw specified in this GMP specification. Izod spccimcns shall be. cut fium the ccntus of tha 127 x 12.7 x 3.2 mm bars. 6.1 A completed coy of the Material Saf
4、ety Data Sheet mmtingGMinfomastionrcqmrutbcsubmittcdwith any new submissions or when a composition change has 3.2 Tests shall bc conducted on dry as molded, tmcondi- tioncd, unatutdcd test spccimcm. Thescspccimcnsarctobc sealed in water vapor impcrmcable containers immcdiatcly aftcrmoldingandma&aimd
5、inthcscakdcontainusat22f 3C until the time of testing, 24 h mitt afta molding. Tests shallbcmadcat22f3Cuulessothc&scspcc&i. 7 IDENTIFICATION. The molding compound shall bc identified by the specification code, the manufactwers i&m& fkation code ad lot number, along with any additional vchick group a
6、nd component division requircmcnts. 4 COMPOUND PROPERTIES. 4.1 COMPOUND PROPERTIES (NATURAL AND BLACK). See Table 1. 4.2 RJ5TRICTBD AND REPORTABLE CHEMICALS (GMlOOOM). By 1997 start of sakablc vehicles, all matcri& supplied to this specification must comply with the rcquirc- ments listed in GMlOOOM,
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